./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/nested-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/nested-3.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 32bit --witnessprinter.graph.data.programhash 13e5ee77a02e52d8ba8ae9f3698472ae34be00d2574eddc823f2c8e804568236 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:28:24,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:28:24,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:28:24,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:28:24,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:28:24,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:28:24,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:28:24,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:28:24,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:28:24,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:28:24,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:28:24,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:28:24,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:28:24,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:28:24,329 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:28:24,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:28:24,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:28:24,332 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:28:24,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:28:24,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:28:24,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:28:24,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:28:24,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:28:24,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:28:24,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:28:24,337 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:28:24,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:28:24,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:28:24,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:28:24,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:28:24,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:28:24,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:28:24,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:28:24,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:28:24,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:28:24,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:28:24,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:28:24,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:28:24,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:28:24,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:28:24,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:28:24,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:28:24,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:28:24,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:28:24,346 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13e5ee77a02e52d8ba8ae9f3698472ae34be00d2574eddc823f2c8e804568236 [2024-10-11 20:28:24,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:28:24,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:28:24,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:28:24,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:28:24,639 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:28:24,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/nested-3.c [2024-10-11 20:28:25,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:28:26,144 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:28:26,145 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/nested-3.c [2024-10-11 20:28:26,154 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/dd6141f8f/b79abb0f459a49818628c649cf00af29/FLAG2ba22fd14 [2024-10-11 20:28:26,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/dd6141f8f/b79abb0f459a49818628c649cf00af29 [2024-10-11 20:28:26,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:28:26,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:28:26,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:28:26,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:28:26,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:28:26,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c71c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26, skipping insertion in model container [2024-10-11 20:28:26,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:28:26,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:28:26,362 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:28:26,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:28:26,388 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:28:26,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26 WrapperNode [2024-10-11 20:28:26,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:28:26,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:28:26,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:28:26,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:28:26,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,420 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-10-11 20:28:26,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:28:26,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:28:26,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:28:26,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:28:26,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,442 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 20:28:26,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:28:26,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:28:26,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:28:26,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:28:26,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (1/1) ... [2024-10-11 20:28:26,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:28:26,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:26,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:28:26,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:28:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:28:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:28:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:28:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:28:26,577 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:28:26,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:28:26,773 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-10-11 20:28:26,773 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:28:26,792 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:28:26,793 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:28:26,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:28:26 BoogieIcfgContainer [2024-10-11 20:28:26,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:28:26,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:28:26,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:28:26,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:28:26,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:28:26" (1/3) ... [2024-10-11 20:28:26,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f28bf5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:28:26, skipping insertion in model container [2024-10-11 20:28:26,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:28:26" (2/3) ... [2024-10-11 20:28:26,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f28bf5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:28:26, skipping insertion in model container [2024-10-11 20:28:26,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:28:26" (3/3) ... [2024-10-11 20:28:26,801 INFO L112 eAbstractionObserver]: Analyzing ICFG nested-3.c [2024-10-11 20:28:26,816 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:28:26,816 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-11 20:28:26,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:28:26,882 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;@22203bcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:28:26,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-11 20:28:26,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 41 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:26,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:28:26,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:26,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:28:26,891 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:26,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:26,896 INFO L85 PathProgramCache]: Analyzing trace with hash -647919217, now seen corresponding path program 1 times [2024-10-11 20:28:26,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:26,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210578509] [2024-10-11 20:28:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:27,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:27,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210578509] [2024-10-11 20:28:27,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210578509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:27,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:28:27,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:28:27,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145803132] [2024-10-11 20:28:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:27,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:28:27,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:27,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:28:27,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:28:27,052 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 41 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-10-11 20:28:27,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:27,074 INFO L93 Difference]: Finished difference Result 81 states and 98 transitions. [2024-10-11 20:28:27,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:28:27,078 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2024-10-11 20:28:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:27,084 INFO L225 Difference]: With dead ends: 81 [2024-10-11 20:28:27,084 INFO L226 Difference]: Without dead ends: 40 [2024-10-11 20:28:27,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:28:27,090 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:27,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:27,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-11 20:28:27,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-11 20:28:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 39 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2024-10-11 20:28:27,124 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 6 [2024-10-11 20:28:27,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:27,124 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2024-10-11 20:28:27,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-10-11 20:28:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2024-10-11 20:28:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:28:27,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:27,125 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:28:27,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:28:27,127 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:27,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:27,128 INFO L85 PathProgramCache]: Analyzing trace with hash -648366082, now seen corresponding path program 1 times [2024-10-11 20:28:27,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:27,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75126193] [2024-10-11 20:28:27,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:27,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:27,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:27,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:27,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75126193] [2024-10-11 20:28:27,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75126193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:27,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:28:27,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:28:27,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046860820] [2024-10-11 20:28:27,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:27,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:28:27,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:27,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:28:27,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:28:27,207 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:27,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:27,245 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2024-10-11 20:28:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:28:27,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 20:28:27,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:27,246 INFO L225 Difference]: With dead ends: 82 [2024-10-11 20:28:27,246 INFO L226 Difference]: Without dead ends: 43 [2024-10-11 20:28:27,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:28:27,247 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 3 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:27,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 73 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:27,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-11 20:28:27,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-10-11 20:28:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 40 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2024-10-11 20:28:27,257 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 6 [2024-10-11 20:28:27,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:27,257 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2024-10-11 20:28:27,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2024-10-11 20:28:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:28:27,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:27,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:28:27,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:28:27,259 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:27,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:27,261 INFO L85 PathProgramCache]: Analyzing trace with hash -648318384, now seen corresponding path program 1 times [2024-10-11 20:28:27,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:27,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726990165] [2024-10-11 20:28:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:27,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:27,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:27,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726990165] [2024-10-11 20:28:27,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726990165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:27,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:28:27,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:28:27,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901942763] [2024-10-11 20:28:27,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:27,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:28:27,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:27,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:28:27,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:28:27,361 INFO L87 Difference]: Start difference. First operand 41 states and 46 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) [2024-10-11 20:28:27,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:27,406 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2024-10-11 20:28:27,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:28:27,407 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 [2024-10-11 20:28:27,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:27,407 INFO L225 Difference]: With dead ends: 47 [2024-10-11 20:28:27,407 INFO L226 Difference]: Without dead ends: 45 [2024-10-11 20:28:27,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:28:27,409 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:27,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 106 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:27,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-11 20:28:27,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-10-11 20:28:27,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.6451612903225807) internal successors, (51), 44 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2024-10-11 20:28:27,419 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 6 [2024-10-11 20:28:27,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:27,419 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2024-10-11 20:28:27,420 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) [2024-10-11 20:28:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2024-10-11 20:28:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 20:28:27,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:27,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:27,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:28:27,421 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:27,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:27,421 INFO L85 PathProgramCache]: Analyzing trace with hash -605857793, now seen corresponding path program 1 times [2024-10-11 20:28:27,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:27,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226914701] [2024-10-11 20:28:27,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:27,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:27,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:27,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226914701] [2024-10-11 20:28:27,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226914701] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:28:27,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197027891] [2024-10-11 20:28:27,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:27,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:27,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:27,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:28:27,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:28:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:27,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 20:28:27,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:28:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:28:27,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:28:27,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197027891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:27,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:28:27,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [5] total 6 [2024-10-11 20:28:27,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94181603] [2024-10-11 20:28:27,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:27,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:28:27,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:27,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:28:27,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:28:27,600 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2024-10-11 20:28:27,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:27,615 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2024-10-11 20:28:27,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:28:27,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2024-10-11 20:28:27,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:27,616 INFO L225 Difference]: With dead ends: 45 [2024-10-11 20:28:27,616 INFO L226 Difference]: Without dead ends: 44 [2024-10-11 20:28:27,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:28:27,618 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:27,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 36 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:27,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-11 20:28:27,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-10-11 20:28:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 43 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-10-11 20:28:27,622 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 11 [2024-10-11 20:28:27,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:27,623 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-10-11 20:28:27,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2024-10-11 20:28:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-10-11 20:28:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 20:28:27,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:27,623 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:28:27,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:28:27,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:27,825 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:27,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:27,825 INFO L85 PathProgramCache]: Analyzing trace with hash -605810095, now seen corresponding path program 1 times [2024-10-11 20:28:27,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:27,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987309061] [2024-10-11 20:28:27,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:27,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:27,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:27,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987309061] [2024-10-11 20:28:27,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987309061] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:28:27,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164779619] [2024-10-11 20:28:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:27,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:27,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:27,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:28:27,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:28:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:27,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:28:27,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:28:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:28,006 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:28:28,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164779619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:28,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:28:28,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-11 20:28:28,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310516464] [2024-10-11 20:28:28,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:28,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:28:28,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:28,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:28:28,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:28:28,007 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2024-10-11 20:28:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:28,061 INFO L93 Difference]: Finished difference Result 121 states and 140 transitions. [2024-10-11 20:28:28,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:28:28,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 [2024-10-11 20:28:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:28,062 INFO L225 Difference]: With dead ends: 121 [2024-10-11 20:28:28,062 INFO L226 Difference]: Without dead ends: 78 [2024-10-11 20:28:28,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:28:28,063 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 31 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:28,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 111 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:28,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-11 20:28:28,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 66. [2024-10-11 20:28:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.6226415094339623) internal successors, (86), 65 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:28,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2024-10-11 20:28:28,069 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 11 [2024-10-11 20:28:28,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:28,069 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2024-10-11 20:28:28,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2024-10-11 20:28:28,070 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2024-10-11 20:28:28,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 20:28:28,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:28,070 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:28,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:28:28,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:28,275 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:28,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:28,276 INFO L85 PathProgramCache]: Analyzing trace with hash -605808173, now seen corresponding path program 1 times [2024-10-11 20:28:28,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:28,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294660084] [2024-10-11 20:28:28,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:28,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:28,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:28,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294660084] [2024-10-11 20:28:28,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294660084] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:28:28,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139882804] [2024-10-11 20:28:28,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:28,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:28,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:28,345 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:28:28,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:28:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:28,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:28:28,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:28:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:28,422 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:28:28,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139882804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:28,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:28:28,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-11 20:28:28,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315668629] [2024-10-11 20:28:28,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:28,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:28:28,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:28,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:28:28,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:28:28,425 INFO L87 Difference]: Start difference. First operand 66 states and 86 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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) [2024-10-11 20:28:28,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:28,470 INFO L93 Difference]: Finished difference Result 66 states and 86 transitions. [2024-10-11 20:28:28,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:28:28,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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 [2024-10-11 20:28:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:28,471 INFO L225 Difference]: With dead ends: 66 [2024-10-11 20:28:28,471 INFO L226 Difference]: Without dead ends: 65 [2024-10-11 20:28:28,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:28:28,472 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 65 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:28,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 92 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:28,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-11 20:28:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-11 20:28:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 64 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2024-10-11 20:28:28,482 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 11 [2024-10-11 20:28:28,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:28,482 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2024-10-11 20:28:28,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 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) [2024-10-11 20:28:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2024-10-11 20:28:28,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 20:28:28,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:28,483 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:28,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:28:28,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:28,684 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:28,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:28,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1601722328, now seen corresponding path program 1 times [2024-10-11 20:28:28,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:28,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412637195] [2024-10-11 20:28:28,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:28,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:28,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:28,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412637195] [2024-10-11 20:28:28,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412637195] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:28:28,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072359932] [2024-10-11 20:28:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:28,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:28,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:28,761 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:28:28,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:28:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:28,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:28:28,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:28:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:28,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:28:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:28:28,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072359932] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:28:28,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:28:28,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2024-10-11 20:28:28,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227811986] [2024-10-11 20:28:28,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:28:28,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:28:28,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:28,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:28:28,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:28:28,850 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:29,004 INFO L93 Difference]: Finished difference Result 246 states and 318 transitions. [2024-10-11 20:28:29,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:28:29,004 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 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 [2024-10-11 20:28:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:29,005 INFO L225 Difference]: With dead ends: 246 [2024-10-11 20:28:29,005 INFO L226 Difference]: Without dead ends: 182 [2024-10-11 20:28:29,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:28:29,006 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 89 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:29,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 252 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:28:29,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-10-11 20:28:29,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 98. [2024-10-11 20:28:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 86 states have (on average 1.5465116279069768) internal successors, (133), 97 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 133 transitions. [2024-10-11 20:28:29,014 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 133 transitions. Word has length 12 [2024-10-11 20:28:29,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:29,014 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 133 transitions. [2024-10-11 20:28:29,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2024-10-11 20:28:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 20:28:29,015 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:29,015 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:29,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:28:29,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 20:28:29,216 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:29,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:29,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1600184119, now seen corresponding path program 1 times [2024-10-11 20:28:29,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:29,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417770769] [2024-10-11 20:28:29,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:29,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:28:29,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:29,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417770769] [2024-10-11 20:28:29,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417770769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:29,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:28:29,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:28:29,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981697634] [2024-10-11 20:28:29,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:29,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:28:29,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:29,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:28:29,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:28:29,248 INFO L87 Difference]: Start difference. First operand 98 states and 133 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) [2024-10-11 20:28:29,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:29,266 INFO L93 Difference]: Finished difference Result 98 states and 133 transitions. [2024-10-11 20:28:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:28:29,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 [2024-10-11 20:28:29,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:29,269 INFO L225 Difference]: With dead ends: 98 [2024-10-11 20:28:29,269 INFO L226 Difference]: Without dead ends: 97 [2024-10-11 20:28:29,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:28:29,270 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:29,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 99 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:29,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-11 20:28:29,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-11 20:28:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 86 states have (on average 1.5116279069767442) internal successors, (130), 96 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 130 transitions. [2024-10-11 20:28:29,277 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 130 transitions. Word has length 12 [2024-10-11 20:28:29,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:29,277 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 130 transitions. [2024-10-11 20:28:29,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) [2024-10-11 20:28:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2024-10-11 20:28:29,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:28:29,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:29,278 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:29,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 20:28:29,279 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:29,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:29,279 INFO L85 PathProgramCache]: Analyzing trace with hash -544769487, now seen corresponding path program 1 times [2024-10-11 20:28:29,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:29,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525145511] [2024-10-11 20:28:29,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:29,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:28:29,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:29,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525145511] [2024-10-11 20:28:29,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525145511] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:29,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:28:29,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:28:29,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449122785] [2024-10-11 20:28:29,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:29,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:28:29,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:29,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:28:29,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:28:29,324 INFO L87 Difference]: Start difference. First operand 97 states and 130 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:29,349 INFO L93 Difference]: Finished difference Result 169 states and 211 transitions. [2024-10-11 20:28:29,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:28:29,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 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 [2024-10-11 20:28:29,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:29,350 INFO L225 Difference]: With dead ends: 169 [2024-10-11 20:28:29,350 INFO L226 Difference]: Without dead ends: 105 [2024-10-11 20:28:29,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:28:29,351 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 22 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:29,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 148 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:29,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-11 20:28:29,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 97. [2024-10-11 20:28:29,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 86 states have (on average 1.5) internal successors, (129), 96 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 129 transitions. [2024-10-11 20:28:29,360 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 129 transitions. Word has length 17 [2024-10-11 20:28:29,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:29,360 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 129 transitions. [2024-10-11 20:28:29,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 129 transitions. [2024-10-11 20:28:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:28:29,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:29,362 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:29,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:28:29,362 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:29,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:29,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1555893079, now seen corresponding path program 1 times [2024-10-11 20:28:29,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:29,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65681728] [2024-10-11 20:28:29,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:29,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:28:29,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:29,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65681728] [2024-10-11 20:28:29,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65681728] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:29,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:28:29,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:28:29,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919588563] [2024-10-11 20:28:29,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:29,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:28:29,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:29,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:28:29,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:28:29,416 INFO L87 Difference]: Start difference. First operand 97 states and 129 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2024-10-11 20:28:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:29,437 INFO L93 Difference]: Finished difference Result 178 states and 228 transitions. [2024-10-11 20:28:29,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:28:29,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 17 [2024-10-11 20:28:29,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:29,438 INFO L225 Difference]: With dead ends: 178 [2024-10-11 20:28:29,438 INFO L226 Difference]: Without dead ends: 82 [2024-10-11 20:28:29,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:28:29,439 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 12 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:29,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 98 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:29,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-11 20:28:29,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 50. [2024-10-11 20:28:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 49 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) [2024-10-11 20:28:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2024-10-11 20:28:29,449 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 17 [2024-10-11 20:28:29,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:29,449 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2024-10-11 20:28:29,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2024-10-11 20:28:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2024-10-11 20:28:29,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:28:29,450 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:29,450 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:29,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:28:29,450 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:29,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:29,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1555886737, now seen corresponding path program 1 times [2024-10-11 20:28:29,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:29,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360093882] [2024-10-11 20:28:29,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:29,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:28:29,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:29,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360093882] [2024-10-11 20:28:29,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360093882] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:29,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:28:29,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 20:28:29,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686056824] [2024-10-11 20:28:29,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:29,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:28:29,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:29,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:28:29,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:28:29,470 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2024-10-11 20:28:29,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:29,495 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2024-10-11 20:28:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:28:29,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 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 17 [2024-10-11 20:28:29,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:29,496 INFO L225 Difference]: With dead ends: 87 [2024-10-11 20:28:29,497 INFO L226 Difference]: Without dead ends: 83 [2024-10-11 20:28:29,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:28:29,498 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:29,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 57 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:29,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-11 20:28:29,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-11 20:28:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 75 states have (on average 1.24) internal successors, (93), 82 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2024-10-11 20:28:29,505 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 17 [2024-10-11 20:28:29,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:29,505 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2024-10-11 20:28:29,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2024-10-11 20:28:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2024-10-11 20:28:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 20:28:29,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:29,508 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:29,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 20:28:29,508 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:29,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:29,509 INFO L85 PathProgramCache]: Analyzing trace with hash -558532335, now seen corresponding path program 1 times [2024-10-11 20:28:29,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:29,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844879090] [2024-10-11 20:28:29,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:29,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:28:29,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:29,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844879090] [2024-10-11 20:28:29,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844879090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:28:29,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:28:29,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 20:28:29,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522725812] [2024-10-11 20:28:29,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:28:29,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:28:29,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:29,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:28:29,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:28:29,533 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:29,555 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2024-10-11 20:28:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:28:29,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 19 [2024-10-11 20:28:29,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:29,556 INFO L225 Difference]: With dead ends: 91 [2024-10-11 20:28:29,557 INFO L226 Difference]: Without dead ends: 87 [2024-10-11 20:28:29,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:28:29,557 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 9 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:29,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 57 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:28:29,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-11 20:28:29,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-10-11 20:28:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 86 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2024-10-11 20:28:29,563 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 19 [2024-10-11 20:28:29,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:29,563 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2024-10-11 20:28:29,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2024-10-11 20:28:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:28:29,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:29,564 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:29,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 20:28:29,564 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:29,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:29,565 INFO L85 PathProgramCache]: Analyzing trace with hash 496296068, now seen corresponding path program 1 times [2024-10-11 20:28:29,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:29,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162746082] [2024-10-11 20:28:29,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:29,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-11 20:28:29,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:29,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162746082] [2024-10-11 20:28:29,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162746082] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:28:29,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086937955] [2024-10-11 20:28:29,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:29,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:29,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:29,602 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:28:29,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:28:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:29,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:28:29,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:28:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 20:28:29,711 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:28:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 20:28:29,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086937955] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:28:29,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:28:29,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 7, 7] total 14 [2024-10-11 20:28:29,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554542539] [2024-10-11 20:28:29,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:28:29,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:28:29,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:29,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:28:29,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:28:29,791 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:30,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:30,085 INFO L93 Difference]: Finished difference Result 210 states and 246 transitions. [2024-10-11 20:28:30,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:28:30,086 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 0 states have call successors, (0), 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 40 [2024-10-11 20:28:30,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:30,087 INFO L225 Difference]: With dead ends: 210 [2024-10-11 20:28:30,087 INFO L226 Difference]: Without dead ends: 145 [2024-10-11 20:28:30,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=804, Unknown=0, NotChecked=0, Total=992 [2024-10-11 20:28:30,088 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 51 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:30,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 175 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:28:30,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-11 20:28:30,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-10-11 20:28:30,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 139 states have (on average 1.158273381294964) internal successors, (161), 144 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 161 transitions. [2024-10-11 20:28:30,101 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 161 transitions. Word has length 40 [2024-10-11 20:28:30,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:30,101 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 161 transitions. [2024-10-11 20:28:30,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 161 transitions. [2024-10-11 20:28:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 20:28:30,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:30,105 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:30,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:28:30,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:28:30,306 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:30,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:30,307 INFO L85 PathProgramCache]: Analyzing trace with hash -979678625, now seen corresponding path program 1 times [2024-10-11 20:28:30,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:30,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090254015] [2024-10-11 20:28:30,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:30,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-10-11 20:28:30,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:30,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090254015] [2024-10-11 20:28:30,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090254015] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:28:30,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390505858] [2024-10-11 20:28:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:30,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:30,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:30,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:28:30,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:28:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:30,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:28:30,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:28:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 137 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:28:30,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:28:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 137 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:28:30,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390505858] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:28:30,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:28:30,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 13, 13] total 26 [2024-10-11 20:28:30,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551971273] [2024-10-11 20:28:30,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:28:30,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-11 20:28:30,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:30,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-11 20:28:30,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:28:30,706 INFO L87 Difference]: Start difference. First operand 145 states and 161 transitions. Second operand has 26 states, 26 states have (on average 4.038461538461538) internal successors, (105), 26 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:31,339 INFO L93 Difference]: Finished difference Result 485 states and 574 transitions. [2024-10-11 20:28:31,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-11 20:28:31,339 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.038461538461538) internal successors, (105), 26 states have internal predecessors, (105), 0 states have call successors, (0), 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 71 [2024-10-11 20:28:31,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:31,341 INFO L225 Difference]: With dead ends: 485 [2024-10-11 20:28:31,341 INFO L226 Difference]: Without dead ends: 392 [2024-10-11 20:28:31,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1222 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=883, Invalid=3673, Unknown=0, NotChecked=0, Total=4556 [2024-10-11 20:28:31,343 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 104 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:31,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 284 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:28:31,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-10-11 20:28:31,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2024-10-11 20:28:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 386 states have (on average 1.1243523316062176) internal successors, (434), 391 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 434 transitions. [2024-10-11 20:28:31,363 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 434 transitions. Word has length 71 [2024-10-11 20:28:31,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:31,364 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 434 transitions. [2024-10-11 20:28:31,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.038461538461538) internal successors, (105), 26 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 434 transitions. [2024-10-11 20:28:31,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 20:28:31,365 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:31,366 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:31,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:28:31,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:28:31,567 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:31,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:31,567 INFO L85 PathProgramCache]: Analyzing trace with hash -535572194, now seen corresponding path program 1 times [2024-10-11 20:28:31,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:31,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676348647] [2024-10-11 20:28:31,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:31,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 0 proven. 635 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-10-11 20:28:31,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:31,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676348647] [2024-10-11 20:28:31,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676348647] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:28:31,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138055205] [2024-10-11 20:28:31,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:31,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:31,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:31,695 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:28:31,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:28:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:31,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:28:31,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:28:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 629 proven. 286 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-10-11 20:28:32,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:28:32,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 629 proven. 286 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-10-11 20:28:32,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138055205] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:28:32,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:28:32,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 25, 25] total 50 [2024-10-11 20:28:32,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294579827] [2024-10-11 20:28:32,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:28:32,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-11 20:28:32,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:32,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-11 20:28:32,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=604, Invalid=1846, Unknown=0, NotChecked=0, Total=2450 [2024-10-11 20:28:32,558 INFO L87 Difference]: Start difference. First operand 392 states and 434 transitions. Second operand has 50 states, 50 states have (on average 3.32) internal successors, (166), 50 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:34,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:34,268 INFO L93 Difference]: Finished difference Result 1030 states and 1211 transitions. [2024-10-11 20:28:34,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-10-11 20:28:34,269 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 3.32) internal successors, (166), 50 states have internal predecessors, (166), 0 states have call successors, (0), 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 132 [2024-10-11 20:28:34,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:34,271 INFO L225 Difference]: With dead ends: 1030 [2024-10-11 20:28:34,271 INFO L226 Difference]: Without dead ends: 750 [2024-10-11 20:28:34,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5742 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2924, Invalid=16536, Unknown=0, NotChecked=0, Total=19460 [2024-10-11 20:28:34,277 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 207 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:34,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 227 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:28:34,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-10-11 20:28:34,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 750. [2024-10-11 20:28:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 746 states have (on average 1.1099195710455765) internal successors, (828), 749 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:34,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 828 transitions. [2024-10-11 20:28:34,312 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 828 transitions. Word has length 132 [2024-10-11 20:28:34,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:34,313 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 828 transitions. [2024-10-11 20:28:34,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.32) internal successors, (166), 50 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:34,313 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 828 transitions. [2024-10-11 20:28:34,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-10-11 20:28:34,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:34,318 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 45, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:34,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 20:28:34,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:34,522 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:34,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:34,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1062189627, now seen corresponding path program 1 times [2024-10-11 20:28:34,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:34,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893783577] [2024-10-11 20:28:34,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:34,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 5272 backedges. 0 proven. 2696 refuted. 0 times theorem prover too weak. 2576 trivial. 0 not checked. [2024-10-11 20:28:34,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:34,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893783577] [2024-10-11 20:28:34,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893783577] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:28:34,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048105196] [2024-10-11 20:28:34,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:34,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:34,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:34,655 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:28:34,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:28:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:34,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-11 20:28:34,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:28:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5272 backedges. 2693 proven. 1288 refuted. 0 times theorem prover too weak. 1291 trivial. 0 not checked. [2024-10-11 20:28:35,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:28:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5272 backedges. 2693 proven. 1288 refuted. 0 times theorem prover too weak. 1291 trivial. 0 not checked. [2024-10-11 20:28:37,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048105196] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:28:37,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:28:37,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 49, 49] total 98 [2024-10-11 20:28:37,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939766957] [2024-10-11 20:28:37,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:28:37,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-10-11 20:28:37,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:37,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-10-11 20:28:37,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2357, Invalid=7149, Unknown=0, NotChecked=0, Total=9506 [2024-10-11 20:28:37,116 INFO L87 Difference]: Start difference. First operand 750 states and 828 transitions. Second operand has 98 states, 98 states have (on average 2.989795918367347) internal successors, (293), 98 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:42,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:28:42,164 INFO L93 Difference]: Finished difference Result 2475 states and 2922 transitions. [2024-10-11 20:28:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-10-11 20:28:42,165 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 2.989795918367347) internal successors, (293), 98 states have internal predecessors, (293), 0 states have call successors, (0), 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 253 [2024-10-11 20:28:42,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:28:42,170 INFO L225 Difference]: With dead ends: 2475 [2024-10-11 20:28:42,170 INFO L226 Difference]: Without dead ends: 1957 [2024-10-11 20:28:42,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25072 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=13915, Invalid=66457, Unknown=0, NotChecked=0, Total=80372 [2024-10-11 20:28:42,179 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 447 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:28:42,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 278 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:28:42,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2024-10-11 20:28:42,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1470. [2024-10-11 20:28:42,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1466 states have (on average 1.1050477489768076) internal successors, (1620), 1469 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1620 transitions. [2024-10-11 20:28:42,225 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1620 transitions. Word has length 253 [2024-10-11 20:28:42,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:28:42,225 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1620 transitions. [2024-10-11 20:28:42,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 2.989795918367347) internal successors, (293), 98 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:28:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1620 transitions. [2024-10-11 20:28:42,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2024-10-11 20:28:42,230 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:28:42,231 INFO L215 NwaCegarLoop]: trace histogram [94, 94, 94, 94, 94, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:28:42,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:28:42,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 20:28:42,436 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:28:42,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:28:42,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1106475135, now seen corresponding path program 1 times [2024-10-11 20:28:42,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:28:42,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167584289] [2024-10-11 20:28:42,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:42,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:28:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 11148 refuted. 0 times theorem prover too weak. 10904 trivial. 0 not checked. [2024-10-11 20:28:42,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:28:42,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167584289] [2024-10-11 20:28:42,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167584289] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:28:42,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214957107] [2024-10-11 20:28:42,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:28:42,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:28:42,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:28:42,688 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:28:42,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:28:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:28:42,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-10-11 20:28:42,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:28:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 11141 proven. 5452 refuted. 0 times theorem prover too weak. 5459 trivial. 0 not checked. [2024-10-11 20:28:45,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:28:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 11141 proven. 5452 refuted. 0 times theorem prover too weak. 5459 trivial. 0 not checked. [2024-10-11 20:28:50,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214957107] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:28:50,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:28:50,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 97, 97] total 194 [2024-10-11 20:28:50,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947375027] [2024-10-11 20:28:50,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:28:50,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-10-11 20:28:50,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:28:50,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-10-11 20:28:50,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9317, Invalid=28125, Unknown=0, NotChecked=0, Total=37442 [2024-10-11 20:28:50,271 INFO L87 Difference]: Start difference. First operand 1470 states and 1620 transitions. Second operand has 194 states, 194 states have (on average 2.716494845360825) internal successors, (527), 194 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:29:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:29:10,583 INFO L93 Difference]: Finished difference Result 4879 states and 5758 transitions. [2024-10-11 20:29:10,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2024-10-11 20:29:10,584 INFO L78 Accepts]: Start accepts. Automaton has has 194 states, 194 states have (on average 2.716494845360825) internal successors, (527), 194 states have internal predecessors, (527), 0 states have call successors, (0), 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 493 [2024-10-11 20:29:10,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:29:10,595 INFO L225 Difference]: With dead ends: 4879 [2024-10-11 20:29:10,595 INFO L226 Difference]: Without dead ends: 3881 [2024-10-11 20:29:10,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1364 GetRequests, 794 SyntacticMatches, 0 SemanticMatches, 570 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104248 ImplicationChecksByTransitivity, 24.4s TimeCoverageRelationStatistics Valid=55483, Invalid=271129, Unknown=0, NotChecked=0, Total=326612 [2024-10-11 20:29:10,610 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1476 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:29:10,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 144 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:29:10,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3881 states. [2024-10-11 20:29:10,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3881 to 3881. [2024-10-11 20:29:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3881 states, 3877 states have (on average 1.1021408305390765) internal successors, (4273), 3880 states have internal predecessors, (4273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:29:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3881 states to 3881 states and 4273 transitions. [2024-10-11 20:29:10,727 INFO L78 Accepts]: Start accepts. Automaton has 3881 states and 4273 transitions. Word has length 493 [2024-10-11 20:29:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:29:10,728 INFO L471 AbstractCegarLoop]: Abstraction has 3881 states and 4273 transitions. [2024-10-11 20:29:10,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 2.716494845360825) internal successors, (527), 194 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:29:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3881 states and 4273 transitions. [2024-10-11 20:29:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 976 [2024-10-11 20:29:10,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:29:10,749 INFO L215 NwaCegarLoop]: trace histogram [190, 190, 190, 190, 189, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:29:10,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:29:10,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:29:10,953 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 20:29:10,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:29:10,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2142435811, now seen corresponding path program 1 times [2024-10-11 20:29:10,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:29:10,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602518087] [2024-10-11 20:29:10,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:29:10,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:29:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:29:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 90160 backedges. 0 proven. 45320 refuted. 0 times theorem prover too weak. 44840 trivial. 0 not checked. [2024-10-11 20:29:11,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:29:11,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602518087] [2024-10-11 20:29:11,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602518087] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:29:11,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126862008] [2024-10-11 20:29:11,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:29:11,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:29:11,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:29:11,386 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:29:11,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:29:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:29:11,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-10-11 20:29:11,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:29:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 90160 backedges. 45317 proven. 22420 refuted. 0 times theorem prover too weak. 22423 trivial. 0 not checked. [2024-10-11 20:29:19,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:29:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 90160 backedges. 45317 proven. 22420 refuted. 0 times theorem prover too weak. 22423 trivial. 0 not checked. [2024-10-11 20:29:38,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126862008] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:29:38,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:29:38,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 193, 193] total 386 [2024-10-11 20:29:38,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934878848] [2024-10-11 20:29:38,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:29:38,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 386 states [2024-10-11 20:29:38,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:29:38,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 386 interpolants. [2024-10-11 20:29:38,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37061, Invalid=111549, Unknown=0, NotChecked=0, Total=148610 [2024-10-11 20:29:38,490 INFO L87 Difference]: Start difference. First operand 3881 states and 4273 transitions. Second operand has 386 states, 386 states have (on average 2.634715025906736) internal successors, (1017), 386 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)