./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/Avery-FLOPS2006-Table1.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 9b244382de79ee7e63c5a39dc4ba4645eb8228d285c75cf6df9353c232d1a135 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:47:24,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:47:24,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-12 16:47:24,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:47:24,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:47:24,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:47:24,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:47:24,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:47:24,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:47:24,901 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:47:24,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:47:24,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:47:24,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:47:24,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:47:24,903 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:47:24,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:47:24,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 16:47:24,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:47:24,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:47:24,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 16:47:24,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:47:24,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 16:47:24,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:47:24,910 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 16:47:24,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:47:24,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 16:47:24,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:47:24,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:47:24,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:47:24,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:47:24,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:47:24,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:47:24,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:47:24,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:47:24,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 16:47:24,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:47:24,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:47:24,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:47:24,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:47:24,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:47:24,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:47:24,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b244382de79ee7e63c5a39dc4ba4645eb8228d285c75cf6df9353c232d1a135 [2024-11-12 16:47:25,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:47:25,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:47:25,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:47:25,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:47:25,204 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:47:25,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c [2024-11-12 16:47:26,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:47:26,816 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:47:26,817 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c [2024-11-12 16:47:26,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701438e9e/46ebdd6c3ebf43e4a2e193c3ed6de279/FLAGb502f3734 [2024-11-12 16:47:26,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701438e9e/46ebdd6c3ebf43e4a2e193c3ed6de279 [2024-11-12 16:47:26,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:47:26,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:47:26,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:47:26,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:47:26,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:47:26,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:47:26" (1/1) ... [2024-11-12 16:47:26,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac3ce43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:26, skipping insertion in model container [2024-11-12 16:47:26,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:47:26" (1/1) ... [2024-11-12 16:47:26,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:47:27,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:47:27,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:47:27,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:47:27,074 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:47:27,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27 WrapperNode [2024-11-12 16:47:27,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:47:27,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:47:27,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:47:27,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:47:27,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,102 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-12 16:47:27,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:47:27,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:47:27,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:47:27,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:47:27,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,120 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 16:47:27,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:47:27,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:47:27,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:47:27,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:47:27,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (1/1) ... [2024-11-12 16:47:27,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:47:27,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:27,163 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) [2024-11-12 16:47:27,168 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 [2024-11-12 16:47:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:47:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:47:27,295 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:47:27,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:47:27,407 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-12 16:47:27,407 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:47:27,423 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:47:27,423 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 16:47:27,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:47:27 BoogieIcfgContainer [2024-11-12 16:47:27,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:47:27,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:47:27,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:47:27,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:47:27,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:47:26" (1/3) ... [2024-11-12 16:47:27,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686f3c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:47:27, skipping insertion in model container [2024-11-12 16:47:27,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:47:27" (2/3) ... [2024-11-12 16:47:27,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686f3c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:47:27, skipping insertion in model container [2024-11-12 16:47:27,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:47:27" (3/3) ... [2024-11-12 16:47:27,432 INFO L112 eAbstractionObserver]: Analyzing ICFG Avery-FLOPS2006-Table1.c [2024-11-12 16:47:27,448 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:47:27,449 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-12 16:47:27,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:47:27,550 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;@2af533f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:47:27,551 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-12 16:47:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-12 16:47:27,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:27,561 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-12 16:47:27,562 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:27,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:27,567 INFO L85 PathProgramCache]: Analyzing trace with hash 28693987, now seen corresponding path program 1 times [2024-11-12 16:47:27,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:27,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139093808] [2024-11-12 16:47:27,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:27,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:27,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:27,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:27,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139093808] [2024-11-12 16:47:27,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139093808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:47:27,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:47:27,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:47:27,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796120599] [2024-11-12 16:47:27,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:47:27,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:47:27,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:27,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:47:27,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:47:27,756 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:27,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:27,790 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2024-11-12 16:47:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:47:27,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-12 16:47:27,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:27,802 INFO L225 Difference]: With dead ends: 38 [2024-11-12 16:47:27,802 INFO L226 Difference]: Without dead ends: 20 [2024-11-12 16:47:27,807 INFO L434 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 [2024-11-12 16:47:27,811 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:27,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:27,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-12 16:47:27,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-12 16:47:27,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-11-12 16:47:27,838 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 5 [2024-11-12 16:47:27,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:27,838 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-11-12 16:47:27,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-12 16:47:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 16:47:27,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:27,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:47:27,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:47:27,839 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:27,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:27,840 INFO L85 PathProgramCache]: Analyzing trace with hash 889512267, now seen corresponding path program 1 times [2024-11-12 16:47:27,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:27,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991734621] [2024-11-12 16:47:27,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:27,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:27,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:27,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991734621] [2024-11-12 16:47:27,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991734621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:47:27,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:47:27,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:47:27,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762954545] [2024-11-12 16:47:27,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:47:27,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:47:27,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:27,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:47:27,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:47:27,898 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:27,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:27,931 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2024-11-12 16:47:27,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:47:27,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 16:47:27,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:27,935 INFO L225 Difference]: With dead ends: 30 [2024-11-12 16:47:27,935 INFO L226 Difference]: Without dead ends: 21 [2024-11-12 16:47:27,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:47:27,937 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:27,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:27,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-12 16:47:27,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-12 16:47:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-12 16:47:27,950 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 6 [2024-11-12 16:47:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:27,950 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-12 16:47:27,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-12 16:47:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 16:47:27,951 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:27,951 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:47:27,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:47:27,952 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:27,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:27,952 INFO L85 PathProgramCache]: Analyzing trace with hash 889513645, now seen corresponding path program 1 times [2024-11-12 16:47:27,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:27,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124947524] [2024-11-12 16:47:27,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:27,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:28,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:28,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124947524] [2024-11-12 16:47:28,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124947524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:47:28,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:47:28,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:47:28,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670754802] [2024-11-12 16:47:28,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:47:28,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:47:28,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:28,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:47:28,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:47:28,052 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:28,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:28,078 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-11-12 16:47:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:47:28,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 16:47:28,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:28,080 INFO L225 Difference]: With dead ends: 21 [2024-11-12 16:47:28,080 INFO L226 Difference]: Without dead ends: 20 [2024-11-12 16:47:28,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:47:28,081 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 11 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:28,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 19 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:28,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-12 16:47:28,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-12 16:47:28,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-11-12 16:47:28,086 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 6 [2024-11-12 16:47:28,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:28,086 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-11-12 16:47:28,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-12 16:47:28,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 16:47:28,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:28,087 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:28,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:47:28,087 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:28,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:28,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1805119269, now seen corresponding path program 1 times [2024-11-12 16:47:28,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:28,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955137623] [2024-11-12 16:47:28,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:28,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:28,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:28,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955137623] [2024-11-12 16:47:28,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955137623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:47:28,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:47:28,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:47:28,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482442828] [2024-11-12 16:47:28,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:47:28,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:47:28,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:28,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:47:28,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:47:28,127 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. 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) [2024-11-12 16:47:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:28,156 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-12 16:47:28,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:47:28,159 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 [2024-11-12 16:47:28,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:28,160 INFO L225 Difference]: With dead ends: 28 [2024-11-12 16:47:28,160 INFO L226 Difference]: Without dead ends: 26 [2024-11-12 16:47:28,160 INFO L434 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 [2024-11-12 16:47:28,161 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:28,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:28,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-12 16:47:28,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2024-11-12 16:47:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-12 16:47:28,170 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 7 [2024-11-12 16:47:28,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:28,171 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-12 16:47:28,171 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) [2024-11-12 16:47:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-12 16:47:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-12 16:47:28,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:28,172 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:28,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 16:47:28,173 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:28,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:28,174 INFO L85 PathProgramCache]: Analyzing trace with hash 124122543, now seen corresponding path program 1 times [2024-11-12 16:47:28,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:28,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981871037] [2024-11-12 16:47:28,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:28,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:28,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:28,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981871037] [2024-11-12 16:47:28,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981871037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:47:28,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:47:28,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:47:28,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62295429] [2024-11-12 16:47:28,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:47:28,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:47:28,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:28,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:47:28,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:47:28,223 INFO L87 Difference]: Start difference. First operand 23 states and 26 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) [2024-11-12 16:47:28,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:28,250 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2024-11-12 16:47:28,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:47:28,251 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 [2024-11-12 16:47:28,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:28,251 INFO L225 Difference]: With dead ends: 28 [2024-11-12 16:47:28,251 INFO L226 Difference]: Without dead ends: 27 [2024-11-12 16:47:28,252 INFO L434 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 [2024-11-12 16:47:28,253 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:28,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:28,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-12 16:47:28,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-12 16:47:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 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) [2024-11-12 16:47:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2024-11-12 16:47:28,259 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 8 [2024-11-12 16:47:28,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:28,259 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-11-12 16:47:28,259 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) [2024-11-12 16:47:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-12 16:47:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-12 16:47:28,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:28,260 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:28,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 16:47:28,261 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:28,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:28,261 INFO L85 PathProgramCache]: Analyzing trace with hash -232120963, now seen corresponding path program 1 times [2024-11-12 16:47:28,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:28,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374240199] [2024-11-12 16:47:28,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:28,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:28,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:28,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374240199] [2024-11-12 16:47:28,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374240199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:47:28,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:47:28,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:47:28,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640399008] [2024-11-12 16:47:28,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:47:28,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:47:28,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:28,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:47:28,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:47:28,343 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2024-11-12 16:47:28,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:28,378 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-11-12 16:47:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:47:28,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 [2024-11-12 16:47:28,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:28,379 INFO L225 Difference]: With dead ends: 27 [2024-11-12 16:47:28,379 INFO L226 Difference]: Without dead ends: 26 [2024-11-12 16:47:28,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:47:28,380 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:28,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-12 16:47:28,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-12 16:47:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 25 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) [2024-11-12 16:47:28,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2024-11-12 16:47:28,387 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 11 [2024-11-12 16:47:28,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:28,388 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2024-11-12 16:47:28,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2024-11-12 16:47:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-11-12 16:47:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-12 16:47:28,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:28,389 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:28,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 16:47:28,389 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:28,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:28,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1394184806, now seen corresponding path program 1 times [2024-11-12 16:47:28,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:28,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845819396] [2024-11-12 16:47:28,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:28,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:28,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 16:47:28,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:28,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845819396] [2024-11-12 16:47:28,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845819396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:47:28,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:47:28,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:47:28,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430658906] [2024-11-12 16:47:28,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:47:28,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:47:28,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:28,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:47:28,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:47:28,445 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:28,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:28,469 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-12 16:47:28,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:47:28,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-12 16:47:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:28,472 INFO L225 Difference]: With dead ends: 27 [2024-11-12 16:47:28,474 INFO L226 Difference]: Without dead ends: 26 [2024-11-12 16:47:28,474 INFO L434 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 [2024-11-12 16:47:28,475 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:28,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:28,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-12 16:47:28,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-12 16:47:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2024-11-12 16:47:28,485 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 12 [2024-11-12 16:47:28,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:28,486 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-11-12 16:47:28,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-11-12 16:47:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 16:47:28,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:28,487 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 16:47:28,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 16:47:28,487 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:28,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:28,489 INFO L85 PathProgramCache]: Analyzing trace with hash 271379809, now seen corresponding path program 1 times [2024-11-12 16:47:28,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:28,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229234398] [2024-11-12 16:47:28,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:28,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:28,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:28,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229234398] [2024-11-12 16:47:28,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229234398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:28,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93690962] [2024-11-12 16:47:28,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:28,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:28,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:28,561 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) [2024-11-12 16:47:28,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 16:47:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:28,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:47:28,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:28,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:28,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93690962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:28,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:28,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 16:47:28,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923079972] [2024-11-12 16:47:28,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:28,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:47:28,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:28,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:47:28,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:47:28,720 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:28,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:28,787 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2024-11-12 16:47:28,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:47:28,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-12 16:47:28,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:28,790 INFO L225 Difference]: With dead ends: 69 [2024-11-12 16:47:28,790 INFO L226 Difference]: Without dead ends: 67 [2024-11-12 16:47:28,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:47:28,793 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 27 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:28,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 50 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:47:28,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-12 16:47:28,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 50. [2024-11-12 16:47:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 49 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) [2024-11-12 16:47:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2024-11-12 16:47:28,807 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 13 [2024-11-12 16:47:28,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:28,808 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2024-11-12 16:47:28,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-11-12 16:47:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 16:47:28,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:28,828 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:28,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 16:47:29,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:29,030 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:29,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:29,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1978823143, now seen corresponding path program 1 times [2024-11-12 16:47:29,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:29,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129365443] [2024-11-12 16:47:29,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 16:47:29,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:29,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129365443] [2024-11-12 16:47:29,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129365443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:29,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221091985] [2024-11-12 16:47:29,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:29,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:29,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:29,077 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) [2024-11-12 16:47:29,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 16:47:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:29,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:47:29,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 16:47:29,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 16:47:29,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221091985] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:29,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:29,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 16:47:29,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13888378] [2024-11-12 16:47:29,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:29,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:47:29,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:29,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:47:29,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:47:29,153 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:29,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:29,186 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2024-11-12 16:47:29,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:47:29,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 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 [2024-11-12 16:47:29,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:29,188 INFO L225 Difference]: With dead ends: 84 [2024-11-12 16:47:29,188 INFO L226 Difference]: Without dead ends: 83 [2024-11-12 16:47:29,188 INFO L434 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 [2024-11-12 16:47:29,189 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:29,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-12 16:47:29,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2024-11-12 16:47:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 77 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2024-11-12 16:47:29,206 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 17 [2024-11-12 16:47:29,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:29,206 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2024-11-12 16:47:29,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2024-11-12 16:47:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-12 16:47:29,210 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:29,210 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:29,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 16:47:29,414 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,SelfDestructingSolverStorable8 [2024-11-12 16:47:29,415 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:29,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:29,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1213975220, now seen corresponding path program 1 times [2024-11-12 16:47:29,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:29,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571915890] [2024-11-12 16:47:29,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:29,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:29,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:29,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571915890] [2024-11-12 16:47:29,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571915890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:29,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347147158] [2024-11-12 16:47:29,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:29,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:29,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:29,484 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) [2024-11-12 16:47:29,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 16:47:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:29,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 16:47:29,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:29,558 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:29,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347147158] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:29,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:29,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 16:47:29,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727304977] [2024-11-12 16:47:29,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:29,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:47:29,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:29,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:47:29,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:47:29,610 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:29,652 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2024-11-12 16:47:29,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:47:29,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 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 18 [2024-11-12 16:47:29,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:29,655 INFO L225 Difference]: With dead ends: 81 [2024-11-12 16:47:29,655 INFO L226 Difference]: Without dead ends: 80 [2024-11-12 16:47:29,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:47:29,656 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:29,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 37 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:29,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-12 16:47:29,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-12 16:47:29,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 79 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:29,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2024-11-12 16:47:29,666 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 18 [2024-11-12 16:47:29,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:29,666 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2024-11-12 16:47:29,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:29,666 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2024-11-12 16:47:29,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-12 16:47:29,667 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:29,667 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1] [2024-11-12 16:47:29,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 16:47:29,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:29,868 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:29,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:29,869 INFO L85 PathProgramCache]: Analyzing trace with hash -543038417, now seen corresponding path program 2 times [2024-11-12 16:47:29,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:29,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970301659] [2024-11-12 16:47:29,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:29,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:29,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:29,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970301659] [2024-11-12 16:47:29,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970301659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:29,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351475701] [2024-11-12 16:47:29,963 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:47:29,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:29,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:29,964 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) [2024-11-12 16:47:29,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 16:47:29,996 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 16:47:29,996 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:29,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 16:47:29,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:30,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:30,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351475701] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:30,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:30,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-12 16:47:30,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062779253] [2024-11-12 16:47:30,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:30,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 16:47:30,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:30,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 16:47:30,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:47:30,136 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:30,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:30,234 INFO L93 Difference]: Finished difference Result 238 states and 278 transitions. [2024-11-12 16:47:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 16:47:30,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 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 28 [2024-11-12 16:47:30,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:30,236 INFO L225 Difference]: With dead ends: 238 [2024-11-12 16:47:30,236 INFO L226 Difference]: Without dead ends: 236 [2024-11-12 16:47:30,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:47:30,237 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 98 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:30,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 91 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:47:30,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-12 16:47:30,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 110. [2024-11-12 16:47:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 106 states have (on average 1.179245283018868) internal successors, (125), 109 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2024-11-12 16:47:30,249 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 28 [2024-11-12 16:47:30,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:30,249 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2024-11-12 16:47:30,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2024-11-12 16:47:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-12 16:47:30,250 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:30,250 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:30,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 16:47:30,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:30,451 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:30,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:30,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1365633574, now seen corresponding path program 2 times [2024-11-12 16:47:30,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:30,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309089973] [2024-11-12 16:47:30,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:30,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-12 16:47:30,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:30,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309089973] [2024-11-12 16:47:30,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309089973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:30,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807331146] [2024-11-12 16:47:30,490 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:47:30,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:30,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:30,492 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) [2024-11-12 16:47:30,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 16:47:30,525 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 16:47:30,526 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:30,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:47:30,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-12 16:47:30,570 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-12 16:47:30,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807331146] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:30,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:30,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 16:47:30,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860685791] [2024-11-12 16:47:30,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:30,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:47:30,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:30,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:47:30,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:47:30,612 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:30,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:30,643 INFO L93 Difference]: Finished difference Result 110 states and 125 transitions. [2024-11-12 16:47:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:47:30,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 32 [2024-11-12 16:47:30,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:30,644 INFO L225 Difference]: With dead ends: 110 [2024-11-12 16:47:30,645 INFO L226 Difference]: Without dead ends: 109 [2024-11-12 16:47:30,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:47:30,645 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:30,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 22 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:30,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-12 16:47:30,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-12 16:47:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 123 transitions. [2024-11-12 16:47:30,665 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 123 transitions. Word has length 32 [2024-11-12 16:47:30,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:30,666 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 123 transitions. [2024-11-12 16:47:30,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 123 transitions. [2024-11-12 16:47:30,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-12 16:47:30,667 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:30,667 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:30,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 16:47:30,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-12 16:47:30,867 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:30,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:30,868 INFO L85 PathProgramCache]: Analyzing trace with hash -615032097, now seen corresponding path program 2 times [2024-11-12 16:47:30,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:30,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413899612] [2024-11-12 16:47:30,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:30,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:30,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:30,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413899612] [2024-11-12 16:47:30,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413899612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:30,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655623992] [2024-11-12 16:47:30,965 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:47:30,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:30,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:30,967 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) [2024-11-12 16:47:30,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 16:47:31,008 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 16:47:31,009 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:31,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 16:47:31,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:31,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:31,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655623992] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:31,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:31,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-12 16:47:31,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542554648] [2024-11-12 16:47:31,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:31,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 16:47:31,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:31,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 16:47:31,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:47:31,169 INFO L87 Difference]: Start difference. First operand 109 states and 123 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:31,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:31,218 INFO L93 Difference]: Finished difference Result 170 states and 201 transitions. [2024-11-12 16:47:31,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 16:47:31,219 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-12 16:47:31,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:31,220 INFO L225 Difference]: With dead ends: 170 [2024-11-12 16:47:31,220 INFO L226 Difference]: Without dead ends: 169 [2024-11-12 16:47:31,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:47:31,221 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:31,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 51 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:47:31,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-12 16:47:31,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-12 16:47:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 166 states have (on average 1.1385542168674698) internal successors, (189), 168 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 189 transitions. [2024-11-12 16:47:31,233 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 189 transitions. Word has length 33 [2024-11-12 16:47:31,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:31,233 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 189 transitions. [2024-11-12 16:47:31,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:31,234 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 189 transitions. [2024-11-12 16:47:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-12 16:47:31,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:31,235 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1, 1, 1] [2024-11-12 16:47:31,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 16:47:31,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:31,439 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:31,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:31,440 INFO L85 PathProgramCache]: Analyzing trace with hash 947278319, now seen corresponding path program 3 times [2024-11-12 16:47:31,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:31,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340177786] [2024-11-12 16:47:31,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:31,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:31,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340177786] [2024-11-12 16:47:31,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340177786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:31,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665052546] [2024-11-12 16:47:31,639 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 16:47:31,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:31,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:31,641 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) [2024-11-12 16:47:31,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 16:47:31,691 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-12 16:47:31,691 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:31,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 16:47:31,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:31,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:32,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665052546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:32,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:32,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-12 16:47:32,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717530702] [2024-11-12 16:47:32,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:32,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-12 16:47:32,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:32,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-12 16:47:32,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-12 16:47:32,056 INFO L87 Difference]: Start difference. First operand 169 states and 189 transitions. Second operand has 24 states, 23 states have (on average 5.0) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:32,285 INFO L93 Difference]: Finished difference Result 835 states and 955 transitions. [2024-11-12 16:47:32,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 16:47:32,286 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 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 58 [2024-11-12 16:47:32,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:32,289 INFO L225 Difference]: With dead ends: 835 [2024-11-12 16:47:32,290 INFO L226 Difference]: Without dead ends: 833 [2024-11-12 16:47:32,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-12 16:47:32,291 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 339 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:32,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 172 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 16:47:32,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-11-12 16:47:32,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 229. [2024-11-12 16:47:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 226 states have (on average 1.154867256637168) internal successors, (261), 228 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 261 transitions. [2024-11-12 16:47:32,321 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 261 transitions. Word has length 58 [2024-11-12 16:47:32,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:32,321 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 261 transitions. [2024-11-12 16:47:32,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 261 transitions. [2024-11-12 16:47:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-12 16:47:32,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:32,323 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:32,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-12 16:47:32,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:32,527 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:32,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:32,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1507369153, now seen corresponding path program 3 times [2024-11-12 16:47:32,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:32,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527535745] [2024-11-12 16:47:32,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:32,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 1 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:32,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:32,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527535745] [2024-11-12 16:47:32,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527535745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:32,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574255950] [2024-11-12 16:47:32,768 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 16:47:32,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:32,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:32,769 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) [2024-11-12 16:47:32,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 16:47:32,818 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-12 16:47:32,818 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:32,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 16:47:32,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 1 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:32,909 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 1 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:33,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574255950] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:33,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:33,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-12 16:47:33,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761545014] [2024-11-12 16:47:33,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:33,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-12 16:47:33,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:33,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-12 16:47:33,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-12 16:47:33,185 INFO L87 Difference]: Start difference. First operand 229 states and 261 transitions. Second operand has 24 states, 23 states have (on average 5.434782608695652) internal successors, (125), 24 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:33,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:33,267 INFO L93 Difference]: Finished difference Result 350 states and 417 transitions. [2024-11-12 16:47:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 16:47:33,269 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.434782608695652) internal successors, (125), 24 states have internal predecessors, (125), 0 states have call successors, (0), 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 63 [2024-11-12 16:47:33,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:33,270 INFO L225 Difference]: With dead ends: 350 [2024-11-12 16:47:33,270 INFO L226 Difference]: Without dead ends: 349 [2024-11-12 16:47:33,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-12 16:47:33,271 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:33,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 89 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:47:33,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-12 16:47:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2024-11-12 16:47:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 346 states have (on average 1.1358381502890174) internal successors, (393), 348 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 393 transitions. [2024-11-12 16:47:33,292 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 393 transitions. Word has length 63 [2024-11-12 16:47:33,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:33,293 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 393 transitions. [2024-11-12 16:47:33,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.434782608695652) internal successors, (125), 24 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:33,293 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 393 transitions. [2024-11-12 16:47:33,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-12 16:47:33,299 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:33,299 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1, 1, 1] [2024-11-12 16:47:33,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 16:47:33,500 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,SelfDestructingSolverStorable14 [2024-11-12 16:47:33,500 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:33,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:33,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1653046639, now seen corresponding path program 4 times [2024-11-12 16:47:33,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:33,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132826312] [2024-11-12 16:47:33,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:33,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:34,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:34,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132826312] [2024-11-12 16:47:34,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132826312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:34,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749272000] [2024-11-12 16:47:34,065 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 16:47:34,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:34,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:34,067 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) [2024-11-12 16:47:34,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 16:47:34,126 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-12 16:47:34,126 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:34,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-12 16:47:34,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:34,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:35,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749272000] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:35,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:35,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-12 16:47:35,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97152716] [2024-11-12 16:47:35,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:35,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-12 16:47:35,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:35,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-12 16:47:35,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-12 16:47:35,139 INFO L87 Difference]: Start difference. First operand 349 states and 393 transitions. Second operand has 48 states, 47 states have (on average 5.0) internal successors, (235), 48 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:35,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:35,778 INFO L93 Difference]: Finished difference Result 3115 states and 3505 transitions. [2024-11-12 16:47:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-12 16:47:35,779 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.0) internal successors, (235), 48 states have internal predecessors, (235), 0 states have call successors, (0), 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 118 [2024-11-12 16:47:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:35,790 INFO L225 Difference]: With dead ends: 3115 [2024-11-12 16:47:35,790 INFO L226 Difference]: Without dead ends: 3113 [2024-11-12 16:47:35,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-12 16:47:35,794 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 664 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:35,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 342 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 16:47:35,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2024-11-12 16:47:35,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 469. [2024-11-12 16:47:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 466 states have (on average 1.1523605150214593) internal successors, (537), 468 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 537 transitions. [2024-11-12 16:47:35,863 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 537 transitions. Word has length 118 [2024-11-12 16:47:35,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:35,863 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 537 transitions. [2024-11-12 16:47:35,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.0) internal successors, (235), 48 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 537 transitions. [2024-11-12 16:47:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-12 16:47:35,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:35,865 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:35,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-12 16:47:36,069 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,SelfDestructingSolverStorable15 [2024-11-12 16:47:36,070 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:36,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:36,070 INFO L85 PathProgramCache]: Analyzing trace with hash 349286399, now seen corresponding path program 4 times [2024-11-12 16:47:36,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:36,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817045591] [2024-11-12 16:47:36,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:36,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 1 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:36,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:36,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817045591] [2024-11-12 16:47:36,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817045591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:36,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152393392] [2024-11-12 16:47:36,686 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 16:47:36,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:36,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:36,688 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) [2024-11-12 16:47:36,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 16:47:36,743 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-12 16:47:36,743 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:36,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-12 16:47:36,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 1 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:36,906 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 1 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:37,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152393392] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:37,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:37,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-12 16:47:37,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431184628] [2024-11-12 16:47:37,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:37,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-12 16:47:37,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-12 16:47:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-12 16:47:37,671 INFO L87 Difference]: Start difference. First operand 469 states and 537 transitions. Second operand has 48 states, 47 states have (on average 5.212765957446808) internal successors, (245), 48 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:37,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:37,858 INFO L93 Difference]: Finished difference Result 710 states and 849 transitions. [2024-11-12 16:47:37,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-12 16:47:37,859 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.212765957446808) internal successors, (245), 48 states have internal predecessors, (245), 0 states have call successors, (0), 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 123 [2024-11-12 16:47:37,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:37,862 INFO L225 Difference]: With dead ends: 710 [2024-11-12 16:47:37,862 INFO L226 Difference]: Without dead ends: 709 [2024-11-12 16:47:37,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-12 16:47:37,863 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:37,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 160 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:47:37,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-12 16:47:37,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2024-11-12 16:47:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 706 states have (on average 1.1345609065155808) internal successors, (801), 708 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:37,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 801 transitions. [2024-11-12 16:47:37,894 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 801 transitions. Word has length 123 [2024-11-12 16:47:37,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:37,894 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 801 transitions. [2024-11-12 16:47:37,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.212765957446808) internal successors, (245), 48 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 801 transitions. [2024-11-12 16:47:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-12 16:47:37,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:37,898 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1, 1, 1] [2024-11-12 16:47:37,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-12 16:47:38,102 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,SelfDestructingSolverStorable16 [2024-11-12 16:47:38,103 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:38,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:38,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1587866513, now seen corresponding path program 5 times [2024-11-12 16:47:38,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:38,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753049895] [2024-11-12 16:47:38,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:38,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:39,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:39,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753049895] [2024-11-12 16:47:39,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753049895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:39,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217493828] [2024-11-12 16:47:39,752 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-12 16:47:39,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:39,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:39,755 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) [2024-11-12 16:47:39,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 16:47:39,870 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-12 16:47:39,871 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:39,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-12 16:47:39,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:40,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:42,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:42,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217493828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:42,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:42,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-12 16:47:42,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176606937] [2024-11-12 16:47:42,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:42,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-12 16:47:42,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:42,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-12 16:47:42,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-12 16:47:42,800 INFO L87 Difference]: Start difference. First operand 709 states and 801 transitions. Second operand has 96 states, 95 states have (on average 5.0) internal successors, (475), 96 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:45,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:45,059 INFO L93 Difference]: Finished difference Result 11995 states and 13357 transitions. [2024-11-12 16:47:45,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-12 16:47:45,060 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.0) internal successors, (475), 96 states have internal predecessors, (475), 0 states have call successors, (0), 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 238 [2024-11-12 16:47:45,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:45,093 INFO L225 Difference]: With dead ends: 11995 [2024-11-12 16:47:45,093 INFO L226 Difference]: Without dead ends: 11993 [2024-11-12 16:47:45,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-12 16:47:45,103 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 1929 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:45,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 677 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 16:47:45,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11993 states. [2024-11-12 16:47:45,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11993 to 949. [2024-11-12 16:47:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 946 states have (on average 1.1511627906976745) internal successors, (1089), 948 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:45,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1089 transitions. [2024-11-12 16:47:45,229 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1089 transitions. Word has length 238 [2024-11-12 16:47:45,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:45,230 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1089 transitions. [2024-11-12 16:47:45,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.0) internal successors, (475), 96 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1089 transitions. [2024-11-12 16:47:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-12 16:47:45,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:45,233 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:47:45,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-12 16:47:45,434 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,SelfDestructingSolverStorable17 [2024-11-12 16:47:45,434 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:45,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:45,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1282896255, now seen corresponding path program 5 times [2024-11-12 16:47:45,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:45,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897842176] [2024-11-12 16:47:45,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:45,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5360 backedges. 1 proven. 5359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:47,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:47,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897842176] [2024-11-12 16:47:47,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897842176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:47,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709737585] [2024-11-12 16:47:47,117 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-12 16:47:47,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:47,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:47,119 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) [2024-11-12 16:47:47,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 16:47:47,236 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-12 16:47:47,236 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:47,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-12 16:47:47,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5360 backedges. 1 proven. 5359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:47,496 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:47:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5360 backedges. 1 proven. 5359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:49,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709737585] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:47:49,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:47:49,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-12 16:47:49,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391925688] [2024-11-12 16:47:49,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:47:49,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-12 16:47:49,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:47:49,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-12 16:47:49,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-12 16:47:49,932 INFO L87 Difference]: Start difference. First operand 949 states and 1089 transitions. Second operand has 96 states, 95 states have (on average 5.105263157894737) internal successors, (485), 96 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:50,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:47:50,259 INFO L93 Difference]: Finished difference Result 1430 states and 1713 transitions. [2024-11-12 16:47:50,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-12 16:47:50,260 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.105263157894737) internal successors, (485), 96 states have internal predecessors, (485), 0 states have call successors, (0), 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 243 [2024-11-12 16:47:50,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:47:50,263 INFO L225 Difference]: With dead ends: 1430 [2024-11-12 16:47:50,263 INFO L226 Difference]: Without dead ends: 1429 [2024-11-12 16:47:50,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-12 16:47:50,266 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 16:47:50,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 305 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 16:47:50,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2024-11-12 16:47:50,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1429. [2024-11-12 16:47:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1426 states have (on average 1.1339410939691446) internal successors, (1617), 1428 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1617 transitions. [2024-11-12 16:47:50,355 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1617 transitions. Word has length 243 [2024-11-12 16:47:50,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:47:50,356 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 1617 transitions. [2024-11-12 16:47:50,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.105263157894737) internal successors, (485), 96 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:47:50,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1617 transitions. [2024-11-12 16:47:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2024-11-12 16:47:50,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:47:50,363 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 1, 1, 1, 1] [2024-11-12 16:47:50,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 16:47:50,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:50,568 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:47:50,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:47:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1975041425, now seen corresponding path program 6 times [2024-11-12 16:47:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:47:50,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915669041] [2024-11-12 16:47:50,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:47:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:47:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:47:56,709 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:56,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:47:56,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915669041] [2024-11-12 16:47:56,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915669041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:47:56,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906341580] [2024-11-12 16:47:56,710 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-12 16:47:56,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:47:56,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:47:56,712 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) [2024-11-12 16:47:56,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 16:47:56,884 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-12 16:47:56,884 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:47:56,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-12 16:47:56,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:47:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:47:57,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:48:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:48:06,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906341580] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:48:06,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:48:06,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-12 16:48:06,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656005073] [2024-11-12 16:48:06,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:48:06,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-12 16:48:06,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:48:06,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-12 16:48:06,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-12 16:48:06,245 INFO L87 Difference]: Start difference. First operand 1429 states and 1617 transitions. Second operand has 192 states, 191 states have (on average 5.0) internal successors, (955), 192 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:48:25,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:48:25,616 INFO L93 Difference]: Finished difference Result 47035 states and 52069 transitions. [2024-11-12 16:48:25,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-12 16:48:25,617 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 5.0) internal successors, (955), 192 states have internal predecessors, (955), 0 states have call successors, (0), 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 478 [2024-11-12 16:48:25,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:48:25,728 INFO L225 Difference]: With dead ends: 47035 [2024-11-12 16:48:25,729 INFO L226 Difference]: Without dead ends: 47033 [2024-11-12 16:48:25,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1050 GetRequests, 860 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-12 16:48:25,761 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 4539 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 1012 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4539 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1012 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:48:25,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4539 Valid, 1349 Invalid, 1789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1012 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 16:48:25,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47033 states. [2024-11-12 16:48:26,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47033 to 1909. [2024-11-12 16:48:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1909 states, 1906 states have (on average 1.1505771248688352) internal successors, (2193), 1908 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:48:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2193 transitions. [2024-11-12 16:48:26,243 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2193 transitions. Word has length 478 [2024-11-12 16:48:26,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:48:26,245 INFO L471 AbstractCegarLoop]: Abstraction has 1909 states and 2193 transitions. [2024-11-12 16:48:26,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 5.0) internal successors, (955), 192 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:48:26,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2193 transitions. [2024-11-12 16:48:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-11-12 16:48:26,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:48:26,253 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:48:26,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 16:48:26,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-12 16:48:26,454 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:48:26,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:48:26,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1035504513, now seen corresponding path program 6 times [2024-11-12 16:48:26,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:48:26,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694821305] [2024-11-12 16:48:26,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:48:26,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:48:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:48:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 22232 backedges. 1 proven. 22231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:48:32,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:48:32,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694821305] [2024-11-12 16:48:32,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694821305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:48:32,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175539404] [2024-11-12 16:48:32,011 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-12 16:48:32,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:48:32,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:48:32,013 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:48:32,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 16:48:32,232 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-12 16:48:32,232 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:48:32,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-12 16:48:32,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:48:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 22232 backedges. 1 proven. 22231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:48:32,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:48:42,412 INFO L134 CoverageAnalysis]: Checked inductivity of 22232 backedges. 1 proven. 22231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:48:42,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175539404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:48:42,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:48:42,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-12 16:48:42,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429130876] [2024-11-12 16:48:42,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:48:42,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-12 16:48:42,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:48:42,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-12 16:48:42,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-12 16:48:42,426 INFO L87 Difference]: Start difference. First operand 1909 states and 2193 transitions. Second operand has 192 states, 191 states have (on average 5.052356020942408) internal successors, (965), 192 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:48:44,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:48:44,025 INFO L93 Difference]: Finished difference Result 2870 states and 3441 transitions. [2024-11-12 16:48:44,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-12 16:48:44,025 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 5.052356020942408) internal successors, (965), 192 states have internal predecessors, (965), 0 states have call successors, (0), 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 483 [2024-11-12 16:48:44,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:48:44,031 INFO L225 Difference]: With dead ends: 2870 [2024-11-12 16:48:44,032 INFO L226 Difference]: Without dead ends: 2869 [2024-11-12 16:48:44,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1061 GetRequests, 871 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-12 16:48:44,035 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 16:48:44,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 596 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 16:48:44,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2024-11-12 16:48:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2869. [2024-11-12 16:48:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2869 states, 2866 states have (on average 1.133635729239358) internal successors, (3249), 2868 states have internal predecessors, (3249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:48:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 3249 transitions. [2024-11-12 16:48:44,339 INFO L78 Accepts]: Start accepts. Automaton has 2869 states and 3249 transitions. Word has length 483 [2024-11-12 16:48:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:48:44,340 INFO L471 AbstractCegarLoop]: Abstraction has 2869 states and 3249 transitions. [2024-11-12 16:48:44,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 5.052356020942408) internal successors, (965), 192 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:48:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 3249 transitions. [2024-11-12 16:48:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 959 [2024-11-12 16:48:44,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:48:44,354 INFO L218 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 1, 1, 1, 1] [2024-11-12 16:48:44,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-12 16:48:44,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:48:44,554 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:48:44,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:48:44,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1925996945, now seen corresponding path program 7 times [2024-11-12 16:48:44,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:48:44,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891366697] [2024-11-12 16:48:44,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:48:44,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:48:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat