./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.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 f79e4118373e847e0fb27fcdde0c282d507ddb96f3173b4556e1de9cae44280f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:56:35,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:56:35,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 03:56:35,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:56:35,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:56:35,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:56:35,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:56:35,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:56:35,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:56:35,790 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:56:35,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:56:35,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:56:35,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:56:35,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:56:35,794 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:56:35,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:56:35,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:56:35,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:56:35,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:56:35,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:56:35,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:56:35,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:56:35,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:56:35,800 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:56:35,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:56:35,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:56:35,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:56:35,801 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:56:35,801 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:56:35,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:56:35,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:56:35,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:56:35,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:56:35,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:56:35,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:56:35,802 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:56:35,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:56:35,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:56:35,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:56:35,805 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:56:35,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:56:35,805 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79e4118373e847e0fb27fcdde0c282d507ddb96f3173b4556e1de9cae44280f [2024-11-17 03:56:36,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:56:36,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:56:36,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:56:36,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:56:36,092 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:56:36,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2024-11-17 03:56:37,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:56:37,695 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:56:37,696 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2024-11-17 03:56:37,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4fdae12/02145a1d33df42999c6e9aaf2c086243/FLAGe02aafc22 [2024-11-17 03:56:38,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4fdae12/02145a1d33df42999c6e9aaf2c086243 [2024-11-17 03:56:38,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:56:38,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:56:38,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:56:38,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:56:38,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:56:38,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c1dea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38, skipping insertion in model container [2024-11-17 03:56:38,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:56:38,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:56:38,310 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:56:38,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:56:38,340 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:56:38,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38 WrapperNode [2024-11-17 03:56:38,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:56:38,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:56:38,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:56:38,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:56:38,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,369 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-17 03:56:38,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:56:38,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:56:38,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:56:38,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:56:38,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,390 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 03:56:38,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,392 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:56:38,396 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:56:38,396 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:56:38,397 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:56:38,397 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (1/1) ... [2024-11-17 03:56:38,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:56:38,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:38,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:56:38,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:56:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:56:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:56:38,561 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:56:38,563 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:56:38,664 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-17 03:56:38,664 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:56:38,680 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:56:38,681 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:56:38,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:56:38 BoogieIcfgContainer [2024-11-17 03:56:38,682 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:56:38,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:56:38,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:56:38,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:56:38,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:56:38" (1/3) ... [2024-11-17 03:56:38,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242256e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:56:38, skipping insertion in model container [2024-11-17 03:56:38,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:38" (2/3) ... [2024-11-17 03:56:38,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242256e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:56:38, skipping insertion in model container [2024-11-17 03:56:38,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:56:38" (3/3) ... [2024-11-17 03:56:38,692 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2024-11-17 03:56:38,724 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:56:38,724 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 03:56:38,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:56:38,808 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;@363a568d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:56:38,808 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 03:56:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:38,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 03:56:38,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:38,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:38,823 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:38,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:38,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1757988520, now seen corresponding path program 1 times [2024-11-17 03:56:38,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:38,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659500157] [2024-11-17 03:56:38,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:38,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:39,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:39,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659500157] [2024-11-17 03:56:39,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659500157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:39,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:39,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:39,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075762246] [2024-11-17 03:56:39,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:39,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:39,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:39,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:39,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:39,050 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:39,102 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2024-11-17 03:56:39,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:39,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 03:56:39,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:39,112 INFO L225 Difference]: With dead ends: 47 [2024-11-17 03:56:39,113 INFO L226 Difference]: Without dead ends: 35 [2024-11-17 03:56:39,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:39,119 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:39,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 40 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:39,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-17 03:56:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2024-11-17 03:56:39,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.44) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2024-11-17 03:56:39,155 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 7 [2024-11-17 03:56:39,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:39,155 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2024-11-17 03:56:39,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-11-17 03:56:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 03:56:39,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:39,157 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:39,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:56:39,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:39,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:39,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1336930713, now seen corresponding path program 1 times [2024-11-17 03:56:39,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:39,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950176960] [2024-11-17 03:56:39,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:39,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:39,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:39,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:39,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950176960] [2024-11-17 03:56:39,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950176960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:39,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:39,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:39,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606774389] [2024-11-17 03:56:39,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:39,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:39,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:39,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:39,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:39,222 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:39,276 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2024-11-17 03:56:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:39,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 03:56:39,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:39,277 INFO L225 Difference]: With dead ends: 54 [2024-11-17 03:56:39,277 INFO L226 Difference]: Without dead ends: 52 [2024-11-17 03:56:39,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:39,279 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:39,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 24 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:39,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-17 03:56:39,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2024-11-17 03:56:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 47 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2024-11-17 03:56:39,294 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 8 [2024-11-17 03:56:39,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:39,294 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2024-11-17 03:56:39,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2024-11-17 03:56:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:56:39,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:39,295 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:39,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:56:39,296 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:39,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:39,297 INFO L85 PathProgramCache]: Analyzing trace with hash 595193169, now seen corresponding path program 1 times [2024-11-17 03:56:39,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:39,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699912259] [2024-11-17 03:56:39,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:39,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:39,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:39,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699912259] [2024-11-17 03:56:39,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699912259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:39,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:39,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:39,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414265631] [2024-11-17 03:56:39,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:39,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:39,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:39,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:39,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:39,371 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:39,385 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2024-11-17 03:56:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:39,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 03:56:39,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:39,387 INFO L225 Difference]: With dead ends: 48 [2024-11-17 03:56:39,387 INFO L226 Difference]: Without dead ends: 47 [2024-11-17 03:56:39,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:39,388 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:39,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 17 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:39,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-17 03:56:39,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-17 03:56:39,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 46 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-11-17 03:56:39,397 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 10 [2024-11-17 03:56:39,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:39,398 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-11-17 03:56:39,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-11-17 03:56:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 03:56:39,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:39,400 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:39,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:56:39,401 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:39,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:39,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1271119029, now seen corresponding path program 1 times [2024-11-17 03:56:39,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:39,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008070790] [2024-11-17 03:56:39,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:39,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:39,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:39,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008070790] [2024-11-17 03:56:39,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008070790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:39,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:39,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:39,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89582471] [2024-11-17 03:56:39,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:39,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:39,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:39,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:39,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:39,470 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:39,501 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2024-11-17 03:56:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:39,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 03:56:39,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:39,503 INFO L225 Difference]: With dead ends: 57 [2024-11-17 03:56:39,503 INFO L226 Difference]: Without dead ends: 56 [2024-11-17 03:56:39,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:39,506 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:39,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 31 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:39,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-17 03:56:39,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-17 03:56:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2024-11-17 03:56:39,519 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 11 [2024-11-17 03:56:39,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:39,520 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2024-11-17 03:56:39,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2024-11-17 03:56:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 03:56:39,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:39,522 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:39,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:56:39,523 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:39,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:39,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1735418899, now seen corresponding path program 1 times [2024-11-17 03:56:39,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:39,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912558864] [2024-11-17 03:56:39,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:39,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:39,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:39,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912558864] [2024-11-17 03:56:39,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912558864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:39,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94773686] [2024-11-17 03:56:39,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:39,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:39,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:39,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:39,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:56:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:39,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:56:39,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:39,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:39,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94773686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:39,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:39,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:56:39,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857062762] [2024-11-17 03:56:39,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:39,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:56:39,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:39,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:56:39,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:39,819 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:39,917 INFO L93 Difference]: Finished difference Result 135 states and 172 transitions. [2024-11-17 03:56:39,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:56:39,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 03:56:39,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:39,920 INFO L225 Difference]: With dead ends: 135 [2024-11-17 03:56:39,921 INFO L226 Difference]: Without dead ends: 133 [2024-11-17 03:56:39,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:39,922 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 29 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:39,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 53 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:39,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-17 03:56:39,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 111. [2024-11-17 03:56:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 106 states have (on average 1.2735849056603774) internal successors, (135), 110 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 135 transitions. [2024-11-17 03:56:39,934 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 135 transitions. Word has length 16 [2024-11-17 03:56:39,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:39,935 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 135 transitions. [2024-11-17 03:56:39,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2024-11-17 03:56:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 03:56:39,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:39,936 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:39,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 03:56:40,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:40,137 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:40,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:40,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1702195164, now seen corresponding path program 1 times [2024-11-17 03:56:40,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:40,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812833323] [2024-11-17 03:56:40,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:40,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:40,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:40,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812833323] [2024-11-17 03:56:40,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812833323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:40,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588404257] [2024-11-17 03:56:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:40,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:40,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:40,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:40,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:56:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:40,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:56:40,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:40,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:40,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:40,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588404257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:40,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:40,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:56:40,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592581010] [2024-11-17 03:56:40,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:40,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:56:40,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:40,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:56:40,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:40,321 INFO L87 Difference]: Start difference. First operand 111 states and 135 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:40,382 INFO L93 Difference]: Finished difference Result 227 states and 291 transitions. [2024-11-17 03:56:40,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:56:40,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-17 03:56:40,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:40,387 INFO L225 Difference]: With dead ends: 227 [2024-11-17 03:56:40,389 INFO L226 Difference]: Without dead ends: 225 [2024-11-17 03:56:40,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:40,390 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 29 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:40,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 37 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:40,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-17 03:56:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 142. [2024-11-17 03:56:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 138 states have (on average 1.2391304347826086) internal successors, (171), 141 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 171 transitions. [2024-11-17 03:56:40,418 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 171 transitions. Word has length 17 [2024-11-17 03:56:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:40,419 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 171 transitions. [2024-11-17 03:56:40,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,419 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2024-11-17 03:56:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 03:56:40,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:40,420 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:40,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:56:40,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 03:56:40,621 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:40,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:40,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1313787082, now seen corresponding path program 1 times [2024-11-17 03:56:40,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:40,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993572269] [2024-11-17 03:56:40,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:40,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:40,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:40,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993572269] [2024-11-17 03:56:40,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993572269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:40,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119000897] [2024-11-17 03:56:40,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:40,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:40,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:40,668 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:40,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:56:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:40,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:56:40,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:40,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:40,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119000897] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:40,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:40,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:56:40,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984746390] [2024-11-17 03:56:40,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:40,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:56:40,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:40,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:56:40,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:40,787 INFO L87 Difference]: Start difference. First operand 142 states and 171 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:40,828 INFO L93 Difference]: Finished difference Result 304 states and 365 transitions. [2024-11-17 03:56:40,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:56:40,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-17 03:56:40,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:40,830 INFO L225 Difference]: With dead ends: 304 [2024-11-17 03:56:40,830 INFO L226 Difference]: Without dead ends: 303 [2024-11-17 03:56:40,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:40,831 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 37 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:40,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 59 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:40,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-17 03:56:40,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 301. [2024-11-17 03:56:40,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 297 states have (on average 1.1616161616161615) internal successors, (345), 300 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 345 transitions. [2024-11-17 03:56:40,857 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 345 transitions. Word has length 20 [2024-11-17 03:56:40,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:40,857 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 345 transitions. [2024-11-17 03:56:40,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 345 transitions. [2024-11-17 03:56:40,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 03:56:40,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:40,859 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-17 03:56:40,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 03:56:41,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:41,064 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:41,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:41,064 INFO L85 PathProgramCache]: Analyzing trace with hash -593361229, now seen corresponding path program 1 times [2024-11-17 03:56:41,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:41,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425368638] [2024-11-17 03:56:41,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:41,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:41,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425368638] [2024-11-17 03:56:41,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425368638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:41,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532589980] [2024-11-17 03:56:41,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:41,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:41,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:41,162 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:41,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:56:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:41,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:56:41,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:41,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:41,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532589980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:41,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:41,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 03:56:41,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010770379] [2024-11-17 03:56:41,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:41,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 03:56:41,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:41,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 03:56:41,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:56:41,297 INFO L87 Difference]: Start difference. First operand 301 states and 345 transitions. Second operand has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:41,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:41,378 INFO L93 Difference]: Finished difference Result 588 states and 704 transitions. [2024-11-17 03:56:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:56:41,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-17 03:56:41,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:41,381 INFO L225 Difference]: With dead ends: 588 [2024-11-17 03:56:41,382 INFO L226 Difference]: Without dead ends: 587 [2024-11-17 03:56:41,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:56:41,383 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 64 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:41,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 62 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-17 03:56:41,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 493. [2024-11-17 03:56:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 489 states have (on average 1.1840490797546013) internal successors, (579), 492 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:41,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 579 transitions. [2024-11-17 03:56:41,418 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 579 transitions. Word has length 26 [2024-11-17 03:56:41,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:41,418 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 579 transitions. [2024-11-17 03:56:41,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 579 transitions. [2024-11-17 03:56:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 03:56:41,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:41,422 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-17 03:56:41,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 03:56:41,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:41,623 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:41,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:41,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1163313304, now seen corresponding path program 2 times [2024-11-17 03:56:41,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:41,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171852863] [2024-11-17 03:56:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:41,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:41,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:41,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171852863] [2024-11-17 03:56:41,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171852863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:41,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971952753] [2024-11-17 03:56:41,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:56:41,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:41,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:41,750 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:41,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:56:41,795 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:56:41,796 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:41,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:56:41,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:41,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:41,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971952753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:41,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:41,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 03:56:41,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055581295] [2024-11-17 03:56:41,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:41,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:56:41,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:41,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:56:41,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:56:41,993 INFO L87 Difference]: Start difference. First operand 493 states and 579 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:42,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:42,130 INFO L93 Difference]: Finished difference Result 1288 states and 1612 transitions. [2024-11-17 03:56:42,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 03:56:42,131 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2024-11-17 03:56:42,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:42,136 INFO L225 Difference]: With dead ends: 1288 [2024-11-17 03:56:42,136 INFO L226 Difference]: Without dead ends: 1286 [2024-11-17 03:56:42,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:56:42,139 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 97 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:42,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 104 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:42,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2024-11-17 03:56:42,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 855. [2024-11-17 03:56:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 851 states have (on average 1.191539365452409) internal successors, (1014), 854 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1014 transitions. [2024-11-17 03:56:42,179 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1014 transitions. Word has length 43 [2024-11-17 03:56:42,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:42,179 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1014 transitions. [2024-11-17 03:56:42,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1014 transitions. [2024-11-17 03:56:42,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 03:56:42,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:42,183 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-17 03:56:42,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 03:56:42,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:42,384 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:42,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:42,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1145938933, now seen corresponding path program 2 times [2024-11-17 03:56:42,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:42,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715122147] [2024-11-17 03:56:42,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:42,495 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:42,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:42,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715122147] [2024-11-17 03:56:42,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715122147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:42,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989441143] [2024-11-17 03:56:42,496 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:56:42,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:42,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:42,498 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:42,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:56:42,541 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:56:42,541 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:42,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:56:42,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:42,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:42,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989441143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:42,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:42,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 03:56:42,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759125171] [2024-11-17 03:56:42,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:42,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:56:42,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:42,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:56:42,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:56:42,713 INFO L87 Difference]: Start difference. First operand 855 states and 1014 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:42,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:42,836 INFO L93 Difference]: Finished difference Result 2480 states and 2971 transitions. [2024-11-17 03:56:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 03:56:42,837 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-17 03:56:42,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:42,847 INFO L225 Difference]: With dead ends: 2480 [2024-11-17 03:56:42,847 INFO L226 Difference]: Without dead ends: 2479 [2024-11-17 03:56:42,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:56:42,850 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 95 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:42,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 125 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:42,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2024-11-17 03:56:42,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2475. [2024-11-17 03:56:42,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2471 states have (on average 1.1286928369081344) internal successors, (2789), 2474 states have internal predecessors, (2789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 2789 transitions. [2024-11-17 03:56:42,940 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 2789 transitions. Word has length 47 [2024-11-17 03:56:42,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:42,942 INFO L471 AbstractCegarLoop]: Abstraction has 2475 states and 2789 transitions. [2024-11-17 03:56:42,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:42,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2789 transitions. [2024-11-17 03:56:42,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-17 03:56:42,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:42,946 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1] [2024-11-17 03:56:42,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 03:56:43,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:43,150 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:43,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:43,150 INFO L85 PathProgramCache]: Analyzing trace with hash -318679181, now seen corresponding path program 2 times [2024-11-17 03:56:43,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:43,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394514687] [2024-11-17 03:56:43,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:43,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:43,263 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:43,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:43,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394514687] [2024-11-17 03:56:43,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394514687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:43,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776103043] [2024-11-17 03:56:43,263 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:56:43,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:43,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:43,265 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:43,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 03:56:43,305 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:56:43,305 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:43,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:56:43,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:43,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:43,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776103043] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:43,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:43,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-17 03:56:43,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159382208] [2024-11-17 03:56:43,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:43,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:56:43,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:43,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:56:43,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:56:43,544 INFO L87 Difference]: Start difference. First operand 2475 states and 2789 transitions. Second operand has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:43,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:43,779 INFO L93 Difference]: Finished difference Result 5148 states and 5971 transitions. [2024-11-17 03:56:43,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 03:56:43,780 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-11-17 03:56:43,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:43,796 INFO L225 Difference]: With dead ends: 5148 [2024-11-17 03:56:43,797 INFO L226 Difference]: Without dead ends: 5147 [2024-11-17 03:56:43,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:56:43,800 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 112 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:43,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 130 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:43,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5147 states. [2024-11-17 03:56:43,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5147 to 3135. [2024-11-17 03:56:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3135 states, 3131 states have (on average 1.141168955605238) internal successors, (3573), 3134 states have internal predecessors, (3573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 3573 transitions. [2024-11-17 03:56:43,918 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 3573 transitions. Word has length 62 [2024-11-17 03:56:43,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:43,920 INFO L471 AbstractCegarLoop]: Abstraction has 3135 states and 3573 transitions. [2024-11-17 03:56:43,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3573 transitions. [2024-11-17 03:56:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 03:56:43,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:43,925 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-17 03:56:43,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:56:44,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:44,129 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:44,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:44,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2108825464, now seen corresponding path program 3 times [2024-11-17 03:56:44,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:44,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643954481] [2024-11-17 03:56:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:44,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:44,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:44,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643954481] [2024-11-17 03:56:44,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643954481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:44,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583833496] [2024-11-17 03:56:44,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:56:44,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:44,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:44,365 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:44,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 03:56:44,417 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 03:56:44,417 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:44,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 03:56:44,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:44,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:44,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583833496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:44,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:44,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-17 03:56:44,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605494802] [2024-11-17 03:56:44,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:44,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 03:56:44,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:44,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 03:56:44,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:56:44,850 INFO L87 Difference]: Start difference. First operand 3135 states and 3573 transitions. Second operand has 24 states, 23 states have (on average 8.347826086956522) internal successors, (192), 24 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:45,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:45,214 INFO L93 Difference]: Finished difference Result 8393 states and 10169 transitions. [2024-11-17 03:56:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 03:56:45,215 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.347826086956522) internal successors, (192), 24 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-17 03:56:45,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:45,240 INFO L225 Difference]: With dead ends: 8393 [2024-11-17 03:56:45,241 INFO L226 Difference]: Without dead ends: 8391 [2024-11-17 03:56:45,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:56:45,247 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 236 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:45,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 208 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:56:45,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8391 states. [2024-11-17 03:56:45,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8391 to 4690. [2024-11-17 03:56:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4690 states, 4686 states have (on average 1.1547161758429365) internal successors, (5411), 4689 states have internal predecessors, (5411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:45,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4690 states to 4690 states and 5411 transitions. [2024-11-17 03:56:45,434 INFO L78 Accepts]: Start accepts. Automaton has 4690 states and 5411 transitions. Word has length 97 [2024-11-17 03:56:45,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:45,434 INFO L471 AbstractCegarLoop]: Abstraction has 4690 states and 5411 transitions. [2024-11-17 03:56:45,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.347826086956522) internal successors, (192), 24 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 4690 states and 5411 transitions. [2024-11-17 03:56:45,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-17 03:56:45,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:45,439 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1] [2024-11-17 03:56:45,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 03:56:45,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-17 03:56:45,644 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:45,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:45,645 INFO L85 PathProgramCache]: Analyzing trace with hash 270439125, now seen corresponding path program 3 times [2024-11-17 03:56:45,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:45,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058373402] [2024-11-17 03:56:45,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:45,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:45,857 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:45,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:45,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058373402] [2024-11-17 03:56:45,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058373402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:45,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316035288] [2024-11-17 03:56:45,858 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:56:45,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:45,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:45,860 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:45,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 03:56:45,911 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 03:56:45,911 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:45,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 03:56:45,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:46,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:46,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316035288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:46,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:46,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-17 03:56:46,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960247414] [2024-11-17 03:56:46,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:46,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 03:56:46,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:46,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 03:56:46,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:56:46,304 INFO L87 Difference]: Start difference. First operand 4690 states and 5411 transitions. Second operand has 24 states, 23 states have (on average 8.695652173913043) internal successors, (200), 24 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:46,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:46,833 INFO L93 Difference]: Finished difference Result 18445 states and 21777 transitions. [2024-11-17 03:56:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 03:56:46,834 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.695652173913043) internal successors, (200), 24 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-17 03:56:46,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:46,891 INFO L225 Difference]: With dead ends: 18445 [2024-11-17 03:56:46,891 INFO L226 Difference]: Without dead ends: 18444 [2024-11-17 03:56:46,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:56:46,902 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 299 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:46,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 230 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:46,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18444 states. [2024-11-17 03:56:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18444 to 18436. [2024-11-17 03:56:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18436 states, 18432 states have (on average 1.1076931423611112) internal successors, (20417), 18435 states have internal predecessors, (20417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18436 states to 18436 states and 20417 transitions. [2024-11-17 03:56:47,599 INFO L78 Accepts]: Start accepts. Automaton has 18436 states and 20417 transitions. Word has length 101 [2024-11-17 03:56:47,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:47,599 INFO L471 AbstractCegarLoop]: Abstraction has 18436 states and 20417 transitions. [2024-11-17 03:56:47,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.695652173913043) internal successors, (200), 24 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 18436 states and 20417 transitions. [2024-11-17 03:56:47,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-17 03:56:47,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:47,609 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1] [2024-11-17 03:56:47,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 03:56:47,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-17 03:56:47,810 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:47,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:47,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1951652083, now seen corresponding path program 3 times [2024-11-17 03:56:47,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:47,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314082729] [2024-11-17 03:56:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:47,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 0 proven. 889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:48,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:48,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314082729] [2024-11-17 03:56:48,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314082729] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:48,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811460533] [2024-11-17 03:56:48,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:56:48,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:48,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:48,227 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:48,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 03:56:48,291 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-17 03:56:48,292 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:48,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 03:56:48,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 0 proven. 889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:48,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 0 proven. 889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:48,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811460533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:48,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:48,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-17 03:56:48,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834375265] [2024-11-17 03:56:48,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:48,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-17 03:56:48,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:48,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-17 03:56:48,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-17 03:56:48,973 INFO L87 Difference]: Start difference. First operand 18436 states and 20417 transitions. Second operand has 32 states, 31 states have (on average 8.580645161290322) internal successors, (266), 32 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:50,266 INFO L93 Difference]: Finished difference Result 43436 states and 49188 transitions. [2024-11-17 03:56:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-17 03:56:50,266 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 8.580645161290322) internal successors, (266), 32 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2024-11-17 03:56:50,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:50,334 INFO L225 Difference]: With dead ends: 43436 [2024-11-17 03:56:50,334 INFO L226 Difference]: Without dead ends: 43435 [2024-11-17 03:56:50,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-17 03:56:50,354 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 288 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:50,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 258 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:56:50,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43435 states. [2024-11-17 03:56:51,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43435 to 21208. [2024-11-17 03:56:51,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21208 states, 21204 states have (on average 1.11521411054518) internal successors, (23647), 21207 states have internal predecessors, (23647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21208 states to 21208 states and 23647 transitions. [2024-11-17 03:56:51,625 INFO L78 Accepts]: Start accepts. Automaton has 21208 states and 23647 transitions. Word has length 134 [2024-11-17 03:56:51,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:51,625 INFO L471 AbstractCegarLoop]: Abstraction has 21208 states and 23647 transitions. [2024-11-17 03:56:51,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 8.580645161290322) internal successors, (266), 32 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 21208 states and 23647 transitions. [2024-11-17 03:56:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-17 03:56:51,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:51,657 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-17 03:56:51,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 03:56:51,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 03:56:51,861 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:51,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:51,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1863375560, now seen corresponding path program 4 times [2024-11-17 03:56:51,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:51,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180263053] [2024-11-17 03:56:51,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:51,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 0 proven. 2167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:52,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:52,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180263053] [2024-11-17 03:56:52,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180263053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:52,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591995208] [2024-11-17 03:56:52,575 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 03:56:52,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:52,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:52,577 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:52,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 03:56:52,658 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 03:56:52,658 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:52,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 03:56:52,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 0 proven. 2167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:52,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 0 proven. 2167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:53,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591995208] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:53,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:53,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-17 03:56:53,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802405284] [2024-11-17 03:56:53,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:53,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 03:56:53,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:53,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 03:56:53,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:56:53,894 INFO L87 Difference]: Start difference. First operand 21208 states and 23647 transitions. Second operand has 48 states, 47 states have (on average 8.680851063829786) internal successors, (408), 48 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:55,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:55,079 INFO L93 Difference]: Finished difference Result 60204 states and 70833 transitions. [2024-11-17 03:56:55,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-17 03:56:55,079 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 8.680851063829786) internal successors, (408), 48 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2024-11-17 03:56:55,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:55,181 INFO L225 Difference]: With dead ends: 60204 [2024-11-17 03:56:55,181 INFO L226 Difference]: Without dead ends: 60202 [2024-11-17 03:56:55,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:56:55,206 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 487 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:55,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 432 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:56:55,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60202 states. [2024-11-17 03:56:56,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60202 to 27918. [2024-11-17 03:56:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27918 states, 27914 states have (on average 1.128036110912087) internal successors, (31488), 27917 states have internal predecessors, (31488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27918 states to 27918 states and 31488 transitions. [2024-11-17 03:56:56,595 INFO L78 Accepts]: Start accepts. Automaton has 27918 states and 31488 transitions. Word has length 205 [2024-11-17 03:56:56,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:56,595 INFO L471 AbstractCegarLoop]: Abstraction has 27918 states and 31488 transitions. [2024-11-17 03:56:56,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 8.680851063829786) internal successors, (408), 48 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:56,596 INFO L276 IsEmpty]: Start isEmpty. Operand 27918 states and 31488 transitions. [2024-11-17 03:56:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-17 03:56:56,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:56,636 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1] [2024-11-17 03:56:56,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 03:56:56,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 03:56:56,841 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:56:56,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:56,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1914521451, now seen corresponding path program 4 times [2024-11-17 03:56:56,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:56,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453874129] [2024-11-17 03:56:56,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:56,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:57,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:57,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453874129] [2024-11-17 03:56:57,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453874129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:57,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891204652] [2024-11-17 03:56:57,628 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 03:56:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:57,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:57,630 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:56:57,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 03:56:57,705 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 03:56:57,706 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:57,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 03:56:57,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:57,967 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:58,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891204652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:58,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:58,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-17 03:56:58,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702735961] [2024-11-17 03:56:58,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:58,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 03:56:58,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:58,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 03:56:58,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:56:58,781 INFO L87 Difference]: Start difference. First operand 27918 states and 31488 transitions. Second operand has 48 states, 47 states have (on average 8.851063829787234) internal successors, (416), 48 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:02,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:02,976 INFO L93 Difference]: Finished difference Result 142201 states and 166264 transitions. [2024-11-17 03:57:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-17 03:57:02,977 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 8.851063829787234) internal successors, (416), 48 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2024-11-17 03:57:02,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:03,151 INFO L225 Difference]: With dead ends: 142201 [2024-11-17 03:57:03,152 INFO L226 Difference]: Without dead ends: 142200 [2024-11-17 03:57:03,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:57:03,183 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 627 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:03,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 469 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:57:03,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142200 states. [2024-11-17 03:57:08,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142200 to 142184. [2024-11-17 03:57:08,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142184 states, 142180 states have (on average 1.095941763961176) internal successors, (155821), 142183 states have internal predecessors, (155821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142184 states to 142184 states and 155821 transitions. [2024-11-17 03:57:08,684 INFO L78 Accepts]: Start accepts. Automaton has 142184 states and 155821 transitions. Word has length 209 [2024-11-17 03:57:08,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:08,685 INFO L471 AbstractCegarLoop]: Abstraction has 142184 states and 155821 transitions. [2024-11-17 03:57:08,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 8.851063829787234) internal successors, (416), 48 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:08,686 INFO L276 IsEmpty]: Start isEmpty. Operand 142184 states and 155821 transitions. [2024-11-17 03:57:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-17 03:57:08,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:08,742 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 30, 30, 30, 30, 30, 1, 1, 1, 1] [2024-11-17 03:57:08,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 03:57:08,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 03:57:08,947 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:08,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:08,947 INFO L85 PathProgramCache]: Analyzing trace with hash 914906099, now seen corresponding path program 4 times [2024-11-17 03:57:08,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:08,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119139027] [2024-11-17 03:57:08,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:08,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4065 backedges. 0 proven. 4065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:10,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:10,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119139027] [2024-11-17 03:57:10,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119139027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:10,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143764904] [2024-11-17 03:57:10,240 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 03:57:10,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:10,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:10,242 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:57:10,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 03:57:10,317 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 03:57:10,317 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:10,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-17 03:57:10,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4065 backedges. 0 proven. 4065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:10,612 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4065 backedges. 0 proven. 4065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:11,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143764904] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:11,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:11,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-11-17 03:57:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266629896] [2024-11-17 03:57:11,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:11,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-17 03:57:11,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:11,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-17 03:57:11,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-17 03:57:11,944 INFO L87 Difference]: Start difference. First operand 142184 states and 155821 transitions. Second operand has 64 states, 63 states have (on average 8.793650793650794) internal successors, (554), 64 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:22,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:22,218 INFO L93 Difference]: Finished difference Result 435692 states and 484758 transitions. [2024-11-17 03:57:22,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-17 03:57:22,218 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 8.793650793650794) internal successors, (554), 64 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2024-11-17 03:57:22,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:22,963 INFO L225 Difference]: With dead ends: 435692 [2024-11-17 03:57:22,963 INFO L226 Difference]: Without dead ends: 435691 [2024-11-17 03:57:23,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-17 03:57:23,062 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1048 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:23,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 512 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 03:57:23,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435691 states.