./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-zilu/benchmark41_conjunctive.i --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-zilu/benchmark41_conjunctive.i -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 e8c2a2f5606e46c1a328e1728dc6cdf6823e5c50ed56fab8310a8cb7bd30fe62 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:30:51,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:30:51,286 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:30:51,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:30:51,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:30:51,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:30:51,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:30:51,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:30:51,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:30:51,317 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:30:51,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:30:51,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:30:51,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:30:51,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:30:51,320 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:30:51,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:30:51,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:30:51,321 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:30:51,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:30:51,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:30:51,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:30:51,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:30:51,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:30:51,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:30:51,323 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:30:51,323 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:30:51,323 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:30:51,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:30:51,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:30:51,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:30:51,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:30:51,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:30:51,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:30:51,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:30:51,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:30:51,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:30:51,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:30:51,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:30:51,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:30:51,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:30:51,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:30:51,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:30:51,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:30:51,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:30:51,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c2a2f5606e46c1a328e1728dc6cdf6823e5c50ed56fab8310a8cb7bd30fe62 [2024-10-11 20:30:51,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:30:51,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:30:51,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:30:51,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:30:51,511 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:30:51,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark41_conjunctive.i [2024-10-11 20:30:52,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:30:52,988 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:30:52,988 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark41_conjunctive.i [2024-10-11 20:30:52,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0289040f9/65259625dd244b99a04b329614062dc1/FLAG92ac15450 [2024-10-11 20:30:53,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0289040f9/65259625dd244b99a04b329614062dc1 [2024-10-11 20:30:53,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:30:53,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:30:53,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:30:53,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:30:53,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:30:53,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310a8bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53, skipping insertion in model container [2024-10-11 20:30:53,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:30:53,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:30:53,585 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:30:53,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:30:53,614 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:30:53,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53 WrapperNode [2024-10-11 20:30:53,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:30:53,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:30:53,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:30:53,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:30:53,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,640 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-10-11 20:30:53,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:30:53,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:30:53,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:30:53,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:30:53,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,655 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,665 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 20:30:53,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:30:53,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:30:53,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:30:53,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:30:53,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (1/1) ... [2024-10-11 20:30:53,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:30:53,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:53,708 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 20:30:53,714 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 20:30:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:30:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:30:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:30:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:30:53,814 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:30:53,816 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:30:53,964 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-11 20:30:53,964 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:30:53,990 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:30:53,991 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:30:53,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:30:53 BoogieIcfgContainer [2024-10-11 20:30:53,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:30:53,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:30:53,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:30:53,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:30:53,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:30:53" (1/3) ... [2024-10-11 20:30:53,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f082386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:30:53, skipping insertion in model container [2024-10-11 20:30:53,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:53" (2/3) ... [2024-10-11 20:30:53,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f082386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:30:53, skipping insertion in model container [2024-10-11 20:30:53,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:30:53" (3/3) ... [2024-10-11 20:30:54,000 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark41_conjunctive.i [2024-10-11 20:30:54,012 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:30:54,012 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-11 20:30:54,060 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:30:54,068 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;@58129330, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:30:54,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-11 20:30:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:30:54,077 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:54,077 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:30:54,078 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:54,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:54,083 INFO L85 PathProgramCache]: Analyzing trace with hash 89802151, now seen corresponding path program 1 times [2024-10-11 20:30:54,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:54,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269441868] [2024-10-11 20:30:54,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:54,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:54,265 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 20:30:54,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:54,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269441868] [2024-10-11 20:30:54,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269441868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:54,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:54,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:30:54,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098301078] [2024-10-11 20:30:54,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:54,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:30:54,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:54,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:30:54,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:30:54,288 INFO L87 Difference]: Start difference. First operand has 33 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:54,334 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2024-10-11 20:30:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:30:54,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 20:30:54,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:54,342 INFO L225 Difference]: With dead ends: 54 [2024-10-11 20:30:54,342 INFO L226 Difference]: Without dead ends: 25 [2024-10-11 20:30:54,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 20:30:54,346 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:54,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 36 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:54,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-11 20:30:54,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-11 20:30:54,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.5625) internal successors, (25), 24 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2024-10-11 20:30:54,366 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 5 [2024-10-11 20:30:54,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:54,366 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2024-10-11 20:30:54,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,367 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2024-10-11 20:30:54,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:30:54,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:54,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:30:54,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:30:54,368 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:54,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:54,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1511100564, now seen corresponding path program 1 times [2024-10-11 20:30:54,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:54,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892403771] [2024-10-11 20:30:54,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:54,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:54,413 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 20:30:54,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:54,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892403771] [2024-10-11 20:30:54,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892403771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:54,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:54,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:30:54,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445855870] [2024-10-11 20:30:54,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:54,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:30:54,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:54,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:30:54,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:30:54,416 INFO L87 Difference]: Start difference. First operand 25 states and 25 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 20:30:54,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:54,465 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2024-10-11 20:30:54,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:30:54,466 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 20:30:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:54,467 INFO L225 Difference]: With dead ends: 36 [2024-10-11 20:30:54,467 INFO L226 Difference]: Without dead ends: 35 [2024-10-11 20:30:54,468 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 20:30:54,468 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 6 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:54,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 37 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:54,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-11 20:30:54,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2024-10-11 20:30:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.5) internal successors, (30), 28 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2024-10-11 20:30:54,479 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 6 [2024-10-11 20:30:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:54,479 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2024-10-11 20:30:54,479 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 20:30:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-10-11 20:30:54,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:30:54,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:54,480 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:54,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:30:54,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:54,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:54,481 INFO L85 PathProgramCache]: Analyzing trace with hash 400522825, now seen corresponding path program 1 times [2024-10-11 20:30:54,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:54,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760488732] [2024-10-11 20:30:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:54,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:54,556 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 20:30:54,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:54,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760488732] [2024-10-11 20:30:54,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760488732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:54,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:54,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:30:54,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545742671] [2024-10-11 20:30:54,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:54,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:30:54,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:54,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:30:54,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:30:54,563 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:54,612 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-10-11 20:30:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:30:54,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 20:30:54,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:54,613 INFO L225 Difference]: With dead ends: 29 [2024-10-11 20:30:54,613 INFO L226 Difference]: Without dead ends: 28 [2024-10-11 20:30:54,614 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 20:30:54,614 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:54,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 22 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-11 20:30:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-11 20:30:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.45) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2024-10-11 20:30:54,622 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 7 [2024-10-11 20:30:54,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:54,622 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-10-11 20:30:54,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-10-11 20:30:54,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:30:54,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:54,623 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:54,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:30:54,623 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:54,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:54,624 INFO L85 PathProgramCache]: Analyzing trace with hash 400477177, now seen corresponding path program 1 times [2024-10-11 20:30:54,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:54,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789705583] [2024-10-11 20:30:54,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:54,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:54,684 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 20:30:54,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:54,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789705583] [2024-10-11 20:30:54,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789705583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:54,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:54,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:30:54,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40408608] [2024-10-11 20:30:54,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:54,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:30:54,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:54,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:30:54,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:30:54,686 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:54,725 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2024-10-11 20:30:54,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:30:54,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 20:30:54,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:54,726 INFO L225 Difference]: With dead ends: 35 [2024-10-11 20:30:54,726 INFO L226 Difference]: Without dead ends: 34 [2024-10-11 20:30:54,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:30:54,728 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:54,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 37 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:54,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-11 20:30:54,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2024-10-11 20:30:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 30 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2024-10-11 20:30:54,732 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 7 [2024-10-11 20:30:54,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:54,732 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2024-10-11 20:30:54,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,732 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2024-10-11 20:30:54,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:30:54,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:54,733 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:54,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:30:54,733 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:54,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:54,734 INFO L85 PathProgramCache]: Analyzing trace with hash -468694258, now seen corresponding path program 1 times [2024-10-11 20:30:54,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:54,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583291720] [2024-10-11 20:30:54,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:54,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:54,764 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 20:30:54,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:54,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583291720] [2024-10-11 20:30:54,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583291720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:54,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:54,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:30:54,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691419502] [2024-10-11 20:30:54,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:54,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:30:54,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:54,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:30:54,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:30:54,767 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:54,795 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2024-10-11 20:30:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:30:54,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 20:30:54,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:54,796 INFO L225 Difference]: With dead ends: 37 [2024-10-11 20:30:54,796 INFO L226 Difference]: Without dead ends: 36 [2024-10-11 20:30:54,796 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 20:30:54,797 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 6 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:54,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 36 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:54,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-11 20:30:54,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2024-10-11 20:30:54,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.36) internal successors, (34), 32 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 20:30:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2024-10-11 20:30:54,801 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 8 [2024-10-11 20:30:54,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:54,801 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2024-10-11 20:30:54,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-10-11 20:30:54,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:30:54,802 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:54,802 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:54,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:30:54,802 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:54,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:54,803 INFO L85 PathProgramCache]: Analyzing trace with hash -470109331, now seen corresponding path program 1 times [2024-10-11 20:30:54,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:54,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703547349] [2024-10-11 20:30:54,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:54,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:54,834 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 20:30:54,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:54,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703547349] [2024-10-11 20:30:54,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703547349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:54,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:54,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:30:54,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897367258] [2024-10-11 20:30:54,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:54,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:30:54,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:54,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:30:54,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:30:54,836 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:54,865 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2024-10-11 20:30:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:30:54,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 20:30:54,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:54,866 INFO L225 Difference]: With dead ends: 35 [2024-10-11 20:30:54,866 INFO L226 Difference]: Without dead ends: 34 [2024-10-11 20:30:54,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:30:54,867 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 23 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:54,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 26 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:54,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-11 20:30:54,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-11 20:30:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2024-10-11 20:30:54,871 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 8 [2024-10-11 20:30:54,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:54,872 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2024-10-11 20:30:54,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-10-11 20:30:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 20:30:54,872 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:54,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:54,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 20:30:54,873 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:54,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1644620053, now seen corresponding path program 1 times [2024-10-11 20:30:54,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:54,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977458411] [2024-10-11 20:30:54,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:54,909 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 20:30:54,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:54,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977458411] [2024-10-11 20:30:54,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977458411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:54,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:54,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:30:54,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096230005] [2024-10-11 20:30:54,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:54,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:30:54,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:54,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:30:54,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:30:54,912 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 20:30:54,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:54,938 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2024-10-11 20:30:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:30:54,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2024-10-11 20:30:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:54,939 INFO L225 Difference]: With dead ends: 39 [2024-10-11 20:30:54,939 INFO L226 Difference]: Without dead ends: 38 [2024-10-11 20:30:54,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:30:54,940 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:54,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 32 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-11 20:30:54,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2024-10-11 20:30:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 34 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-10-11 20:30:54,952 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 9 [2024-10-11 20:30:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:54,952 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-10-11 20:30:54,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 20:30:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-10-11 20:30:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 20:30:54,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:54,953 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:54,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 20:30:54,954 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:54,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:54,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1688487301, now seen corresponding path program 1 times [2024-10-11 20:30:54,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:54,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434222855] [2024-10-11 20:30:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:54,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:55,034 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 20:30:55,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:55,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434222855] [2024-10-11 20:30:55,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434222855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:55,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:55,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:30:55,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46769255] [2024-10-11 20:30:55,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:55,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:30:55,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:55,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:30:55,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:30:55,038 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 20:30:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:55,094 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2024-10-11 20:30:55,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:30:55,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2024-10-11 20:30:55,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:55,094 INFO L225 Difference]: With dead ends: 38 [2024-10-11 20:30:55,095 INFO L226 Difference]: Without dead ends: 37 [2024-10-11 20:30:55,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:30:55,095 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 11 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:55,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 37 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:55,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-11 20:30:55,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-10-11 20:30:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 35 states have internal predecessors, (37), 0 states have call successors, (0), 0 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 20:30:55,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-10-11 20:30:55,102 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 9 [2024-10-11 20:30:55,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:55,102 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-10-11 20:30:55,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 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 20:30:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-10-11 20:30:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 20:30:55,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:55,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:55,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 20:30:55,103 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:55,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:55,104 INFO L85 PathProgramCache]: Analyzing trace with hash 556385968, now seen corresponding path program 1 times [2024-10-11 20:30:55,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:55,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847130232] [2024-10-11 20:30:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:55,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:55,142 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 20:30:55,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:55,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847130232] [2024-10-11 20:30:55,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847130232] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:55,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:55,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 20:30:55,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497965525] [2024-10-11 20:30:55,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:55,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:30:55,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:55,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:30:55,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:30:55,145 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:55,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:55,157 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-10-11 20:30:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:30:55,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-11 20:30:55,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:55,160 INFO L225 Difference]: With dead ends: 36 [2024-10-11 20:30:55,160 INFO L226 Difference]: Without dead ends: 35 [2024-10-11 20:30:55,161 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 20:30:55,162 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:55,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 15 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:55,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-11 20:30:55,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-10-11 20:30:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 34 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-10-11 20:30:55,165 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 10 [2024-10-11 20:30:55,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:55,165 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-10-11 20:30:55,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-10-11 20:30:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 20:30:55,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:55,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:55,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:30:55,166 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:55,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:55,167 INFO L85 PathProgramCache]: Analyzing trace with hash -803498705, now seen corresponding path program 1 times [2024-10-11 20:30:55,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:55,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974137610] [2024-10-11 20:30:55,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:55,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:55,198 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 20:30:55,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:55,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974137610] [2024-10-11 20:30:55,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974137610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:55,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:55,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:30:55,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435502827] [2024-10-11 20:30:55,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:55,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:30:55,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:55,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:30:55,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:30:55,200 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:55,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:55,239 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2024-10-11 20:30:55,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:30:55,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-11 20:30:55,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:55,240 INFO L225 Difference]: With dead ends: 37 [2024-10-11 20:30:55,240 INFO L226 Difference]: Without dead ends: 30 [2024-10-11 20:30:55,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:30:55,241 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 21 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:55,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 21 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:55,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-11 20:30:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-11 20:30:55,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 29 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:55,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-10-11 20:30:55,244 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 10 [2024-10-11 20:30:55,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:55,244 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2024-10-11 20:30:55,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-10-11 20:30:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:30:55,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:55,245 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:55,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:30:55,246 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:55,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:55,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1419427031, now seen corresponding path program 1 times [2024-10-11 20:30:55,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:55,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804410624] [2024-10-11 20:30:55,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:55,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:55,302 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 20:30:55,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:55,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804410624] [2024-10-11 20:30:55,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804410624] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:55,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336134740] [2024-10-11 20:30:55,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:55,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:55,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:55,306 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 20:30:55,308 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 20:30:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:55,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:30:55,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:30:55,393 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 20:30:55,393 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:30:55,442 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 20:30:55,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336134740] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:30:55,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:30:55,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-11 20:30:55,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476911362] [2024-10-11 20:30:55,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:30:55,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:30:55,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:55,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:30:55,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:30:55,444 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:55,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:55,497 INFO L93 Difference]: Finished difference Result 74 states and 88 transitions. [2024-10-11 20:30:55,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:30:55,497 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 20:30:55,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:55,499 INFO L225 Difference]: With dead ends: 74 [2024-10-11 20:30:55,499 INFO L226 Difference]: Without dead ends: 73 [2024-10-11 20:30:55,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:30:55,500 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 32 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:55,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 60 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:55,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-11 20:30:55,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 51. [2024-10-11 20:30:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 50 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 20:30:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2024-10-11 20:30:55,508 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 14 [2024-10-11 20:30:55,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:55,508 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-10-11 20:30:55,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-10-11 20:30:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 20:30:55,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:55,509 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:55,534 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 20:30:55,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:30:55,710 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:55,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:55,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1052519406, now seen corresponding path program 1 times [2024-10-11 20:30:55,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:55,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224673099] [2024-10-11 20:30:55,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:55,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:55,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:55,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224673099] [2024-10-11 20:30:55,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224673099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:55,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:55,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:30:55,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030237755] [2024-10-11 20:30:55,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:55,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:30:55,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:55,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:30:55,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:30:55,776 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 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 20:30:55,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:55,821 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2024-10-11 20:30:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:30:55,821 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2024-10-11 20:30:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:55,822 INFO L225 Difference]: With dead ends: 51 [2024-10-11 20:30:55,822 INFO L226 Difference]: Without dead ends: 50 [2024-10-11 20:30:55,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:30:55,822 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 19 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:55,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 45 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:55,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-11 20:30:55,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-11 20:30:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 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 20:30:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2024-10-11 20:30:55,827 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 15 [2024-10-11 20:30:55,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:55,827 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2024-10-11 20:30:55,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 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 20:30:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2024-10-11 20:30:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 20:30:55,827 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:55,828 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:55,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 20:30:55,828 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:55,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:55,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1730221639, now seen corresponding path program 1 times [2024-10-11 20:30:55,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:55,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402495423] [2024-10-11 20:30:55,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:55,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:55,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:55,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402495423] [2024-10-11 20:30:55,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402495423] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:55,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150658983] [2024-10-11 20:30:55,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:55,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:55,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:55,870 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 20:30:55,874 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 20:30:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:55,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:30:55,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:30:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:55,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:30:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:55,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150658983] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:30:55,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:30:55,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-11 20:30:55,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451265148] [2024-10-11 20:30:55,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:30:55,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:30:55,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:55,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:30:55,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:30:55,978 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 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 20:30:56,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:56,031 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2024-10-11 20:30:56,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:30:56,031 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-11 20:30:56,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:56,031 INFO L225 Difference]: With dead ends: 73 [2024-10-11 20:30:56,032 INFO L226 Difference]: Without dead ends: 72 [2024-10-11 20:30:56,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:30:56,032 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 41 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:56,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 57 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:56,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-11 20:30:56,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 52. [2024-10-11 20:30:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 51 states have internal predecessors, (57), 0 states have call successors, (0), 0 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 20:30:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2024-10-11 20:30:56,037 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 16 [2024-10-11 20:30:56,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:56,037 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2024-10-11 20:30:56,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 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 20:30:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2024-10-11 20:30:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 20:30:56,038 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:56,038 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:56,053 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 20:30:56,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:56,239 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:56,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1731636712, now seen corresponding path program 1 times [2024-10-11 20:30:56,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:56,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865672883] [2024-10-11 20:30:56,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:56,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:56,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:56,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:56,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865672883] [2024-10-11 20:30:56,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865672883] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:56,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730353979] [2024-10-11 20:30:56,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:56,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:56,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:56,287 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 20:30:56,288 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 20:30:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:56,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:30:56,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:30:56,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:56,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:30:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:56,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730353979] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:30:56,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:30:56,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-10-11 20:30:56,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827716351] [2024-10-11 20:30:56,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:30:56,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:30:56,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:56,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:30:56,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:30:56,441 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 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 20:30:56,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:56,501 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2024-10-11 20:30:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:30:56,501 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 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) Word has length 16 [2024-10-11 20:30:56,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:56,502 INFO L225 Difference]: With dead ends: 64 [2024-10-11 20:30:56,502 INFO L226 Difference]: Without dead ends: 63 [2024-10-11 20:30:56,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:30:56,503 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:56,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 71 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:30:56,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-11 20:30:56,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 56. [2024-10-11 20:30:56,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 50 states have (on average 1.22) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 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 20:30:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2024-10-11 20:30:56,506 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 16 [2024-10-11 20:30:56,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:56,506 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2024-10-11 20:30:56,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 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 20:30:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2024-10-11 20:30:56,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:30:56,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:56,507 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:30:56,519 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 20:30:56,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:56,711 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:56,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:56,711 INFO L85 PathProgramCache]: Analyzing trace with hash -2097263200, now seen corresponding path program 1 times [2024-10-11 20:30:56,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:56,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976970589] [2024-10-11 20:30:56,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:56,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:56,736 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:56,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:56,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976970589] [2024-10-11 20:30:56,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976970589] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:56,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722275411] [2024-10-11 20:30:56,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:56,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:56,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:56,738 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 20:30:56,742 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 20:30:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:56,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:30:56,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:30:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:56,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:30:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:56,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722275411] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:30:56,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:30:56,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-11 20:30:56,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793462543] [2024-10-11 20:30:56,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:30:56,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:30:56,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:56,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:30:56,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:30:56,807 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 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 20:30:56,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:56,827 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions. [2024-10-11 20:30:56,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:30:56,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 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 20:30:56,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:56,828 INFO L225 Difference]: With dead ends: 73 [2024-10-11 20:30:56,828 INFO L226 Difference]: Without dead ends: 72 [2024-10-11 20:30:56,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:30:56,828 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 27 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:56,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 66 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:56,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-11 20:30:56,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 57. [2024-10-11 20:30:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 56 states have internal predecessors, (60), 0 states have call successors, (0), 0 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 20:30:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2024-10-11 20:30:56,831 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 17 [2024-10-11 20:30:56,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:56,832 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2024-10-11 20:30:56,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 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 20:30:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2024-10-11 20:30:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:30:56,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:56,832 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:56,845 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 20:30:57,033 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,SelfDestructingSolverStorable14 [2024-10-11 20:30:57,033 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:57,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2141130448, now seen corresponding path program 1 times [2024-10-11 20:30:57,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:57,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858322059] [2024-10-11 20:30:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:57,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:57,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:57,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858322059] [2024-10-11 20:30:57,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858322059] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:57,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425044204] [2024-10-11 20:30:57,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:57,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:57,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:57,095 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 20:30:57,098 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 20:30:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:57,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:30:57,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:30:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:57,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:30:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:30:57,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425044204] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:57,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:30:57,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 6] total 16 [2024-10-11 20:30:57,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937997357] [2024-10-11 20:30:57,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:57,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:30:57,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:57,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:30:57,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:30:57,365 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 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 20:30:57,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:57,398 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2024-10-11 20:30:57,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:30:57,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 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 20:30:57,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:57,399 INFO L225 Difference]: With dead ends: 57 [2024-10-11 20:30:57,399 INFO L226 Difference]: Without dead ends: 56 [2024-10-11 20:30:57,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:30:57,399 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:57,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:57,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-11 20:30:57,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-11 20:30:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 55 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2024-10-11 20:30:57,402 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 17 [2024-10-11 20:30:57,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:57,403 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2024-10-11 20:30:57,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 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 20:30:57,403 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2024-10-11 20:30:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 20:30:57,403 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:57,403 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:57,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 20:30:57,604 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,SelfDestructingSolverStorable15 [2024-10-11 20:30:57,604 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:57,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:57,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1950534374, now seen corresponding path program 1 times [2024-10-11 20:30:57,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:57,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484020220] [2024-10-11 20:30:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:30:57,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:57,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484020220] [2024-10-11 20:30:57,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484020220] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:30:57,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:30:57,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:30:57,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925647430] [2024-10-11 20:30:57,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:30:57,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:30:57,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:57,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:30:57,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:30:57,669 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:57,720 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2024-10-11 20:30:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:30:57,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-11 20:30:57,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:57,720 INFO L225 Difference]: With dead ends: 56 [2024-10-11 20:30:57,720 INFO L226 Difference]: Without dead ends: 49 [2024-10-11 20:30:57,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:30:57,721 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:57,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:57,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-11 20:30:57,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-11 20:30:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 48 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 20:30:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2024-10-11 20:30:57,724 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 18 [2024-10-11 20:30:57,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:57,724 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2024-10-11 20:30:57,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:30:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2024-10-11 20:30:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:30:57,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:57,725 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:57,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 20:30:57,725 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:57,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:57,725 INFO L85 PathProgramCache]: Analyzing trace with hash -149291410, now seen corresponding path program 2 times [2024-10-11 20:30:57,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:57,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066008408] [2024-10-11 20:30:57,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:57,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:57,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:57,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066008408] [2024-10-11 20:30:57,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066008408] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:57,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050480378] [2024-10-11 20:30:57,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:30:57,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:57,814 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 20:30:57,815 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 20:30:57,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:30:57,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:30:57,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:30:57,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:30:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:58,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:30:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:58,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050480378] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:30:58,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:30:58,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 30 [2024-10-11 20:30:58,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613481962] [2024-10-11 20:30:58,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:30:58,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-11 20:30:58,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:58,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-11 20:30:58,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2024-10-11 20:30:58,140 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 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 20:30:58,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:58,230 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2024-10-11 20:30:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:30:58,231 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-10-11 20:30:58,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:58,231 INFO L225 Difference]: With dead ends: 88 [2024-10-11 20:30:58,231 INFO L226 Difference]: Without dead ends: 71 [2024-10-11 20:30:58,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2024-10-11 20:30:58,232 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:58,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 110 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:30:58,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-11 20:30:58,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2024-10-11 20:30:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 64 states have (on average 1.15625) internal successors, (74), 67 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 20:30:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 74 transitions. [2024-10-11 20:30:58,236 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 74 transitions. Word has length 32 [2024-10-11 20:30:58,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:58,236 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 74 transitions. [2024-10-11 20:30:58,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 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 20:30:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2024-10-11 20:30:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 20:30:58,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:58,237 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-10-11 20:30:58,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 20:30:58,440 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,SelfDestructingSolverStorable17 [2024-10-11 20:30:58,441 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:58,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:58,442 INFO L85 PathProgramCache]: Analyzing trace with hash -54787304, now seen corresponding path program 2 times [2024-10-11 20:30:58,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:58,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965859362] [2024-10-11 20:30:58,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:58,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:58,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:58,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965859362] [2024-10-11 20:30:58,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965859362] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:58,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011553102] [2024-10-11 20:30:58,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:30:58,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:58,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:58,534 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 20:30:58,535 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 20:30:58,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:30:58,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:30:58,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:30:58,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:30:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:58,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:30:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:58,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011553102] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:30:58,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:30:58,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-10-11 20:30:58,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574677947] [2024-10-11 20:30:58,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:30:58,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:30:58,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:58,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:30:58,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:30:58,731 INFO L87 Difference]: Start difference. First operand 68 states and 74 transitions. Second operand has 22 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 22 states have internal predecessors, (75), 0 states have call successors, (0), 0 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 20:30:58,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:58,785 INFO L93 Difference]: Finished difference Result 117 states and 125 transitions. [2024-10-11 20:30:58,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:30:58,785 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 22 states have internal predecessors, (75), 0 states have call successors, (0), 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 38 [2024-10-11 20:30:58,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:58,786 INFO L225 Difference]: With dead ends: 117 [2024-10-11 20:30:58,786 INFO L226 Difference]: Without dead ends: 116 [2024-10-11 20:30:58,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:30:58,787 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 32 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:58,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 113 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:58,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-11 20:30:58,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 94. [2024-10-11 20:30:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.1888888888888889) internal successors, (107), 93 states have internal predecessors, (107), 0 states have call successors, (0), 0 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 20:30:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2024-10-11 20:30:58,792 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 38 [2024-10-11 20:30:58,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:58,792 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2024-10-11 20:30:58,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 22 states have internal predecessors, (75), 0 states have call successors, (0), 0 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 20:30:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2024-10-11 20:30:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:30:58,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:58,794 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2024-10-11 20:30:58,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:30:58,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:58,996 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:58,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:58,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1110989894, now seen corresponding path program 2 times [2024-10-11 20:30:58,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:58,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767288701] [2024-10-11 20:30:58,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:58,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:59,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:59,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767288701] [2024-10-11 20:30:59,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767288701] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:59,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440108962] [2024-10-11 20:30:59,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:30:59,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:59,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:59,117 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 20:30:59,119 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 20:30:59,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:30:59,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:30:59,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:30:59,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:30:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:59,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:30:59,316 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:59,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440108962] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:30:59,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:30:59,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-10-11 20:30:59,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36729964] [2024-10-11 20:30:59,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:30:59,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:30:59,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:59,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:30:59,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:30:59,318 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand has 22 states, 21 states have (on average 3.761904761904762) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 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 20:30:59,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:59,371 INFO L93 Difference]: Finished difference Result 114 states and 122 transitions. [2024-10-11 20:30:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:30:59,371 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.761904761904762) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 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 20:30:59,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:59,372 INFO L225 Difference]: With dead ends: 114 [2024-10-11 20:30:59,372 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 20:30:59,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:30:59,372 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 27 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:59,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 111 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:59,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 20:30:59,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 96. [2024-10-11 20:30:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.1304347826086956) internal successors, (104), 95 states have internal predecessors, (104), 0 states have call successors, (0), 0 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 20:30:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2024-10-11 20:30:59,376 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 40 [2024-10-11 20:30:59,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:59,376 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2024-10-11 20:30:59,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.761904761904762) internal successors, (79), 22 states have internal predecessors, (79), 0 states have call successors, (0), 0 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 20:30:59,376 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2024-10-11 20:30:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:30:59,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:59,377 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2024-10-11 20:30:59,395 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 20:30:59,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:59,578 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:30:59,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:30:59,578 INFO L85 PathProgramCache]: Analyzing trace with hash -80948289, now seen corresponding path program 2 times [2024-10-11 20:30:59,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:30:59,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689476769] [2024-10-11 20:30:59,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:30:59,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:30:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:30:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:59,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:30:59,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689476769] [2024-10-11 20:30:59,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689476769] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:30:59,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7895808] [2024-10-11 20:30:59,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:30:59,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:30:59,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:30:59,666 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 20:30:59,668 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 20:30:59,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:30:59,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:30:59,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:30:59,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:30:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:59,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:30:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:30:59,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7895808] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:30:59,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:30:59,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-11 20:30:59,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97359856] [2024-10-11 20:30:59,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:30:59,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:30:59,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:30:59,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:30:59,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:30:59,839 INFO L87 Difference]: Start difference. First operand 96 states and 104 transitions. Second operand has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 0 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 20:30:59,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:30:59,864 INFO L93 Difference]: Finished difference Result 113 states and 118 transitions. [2024-10-11 20:30:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:30:59,864 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 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 41 [2024-10-11 20:30:59,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:30:59,865 INFO L225 Difference]: With dead ends: 113 [2024-10-11 20:30:59,865 INFO L226 Difference]: Without dead ends: 112 [2024-10-11 20:30:59,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:30:59,866 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 17 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:30:59,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 125 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:30:59,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-11 20:30:59,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 97. [2024-10-11 20:30:59,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 93 states have (on average 1.075268817204301) internal successors, (100), 96 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 20:30:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 100 transitions. [2024-10-11 20:30:59,869 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 100 transitions. Word has length 41 [2024-10-11 20:30:59,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:30:59,869 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 100 transitions. [2024-10-11 20:30:59,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 0 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 20:30:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 100 transitions. [2024-10-11 20:30:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:30:59,870 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:30:59,870 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:30:59,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:31:00,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:00,075 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:00,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:00,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1186796314, now seen corresponding path program 3 times [2024-10-11 20:31:00,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:00,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481153139] [2024-10-11 20:31:00,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:00,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:00,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:00,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481153139] [2024-10-11 20:31:00,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481153139] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:00,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527489237] [2024-10-11 20:31:00,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:31:00,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:00,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:00,281 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 20:31:00,282 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 20:31:00,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-11 20:31:00,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:00,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 20:31:00,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:00,728 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:00,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:01,131 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:01,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527489237] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:01,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:01,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 23, 23] total 62 [2024-10-11 20:31:01,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822450980] [2024-10-11 20:31:01,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:01,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-11 20:31:01,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:01,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-11 20:31:01,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=591, Invalid=3315, Unknown=0, NotChecked=0, Total=3906 [2024-10-11 20:31:01,134 INFO L87 Difference]: Start difference. First operand 97 states and 100 transitions. Second operand has 63 states, 62 states have (on average 3.064516129032258) internal successors, (190), 63 states have internal predecessors, (190), 0 states have call successors, (0), 0 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 20:31:01,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:01,289 INFO L93 Difference]: Finished difference Result 170 states and 184 transitions. [2024-10-11 20:31:01,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-11 20:31:01,289 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 62 states have (on average 3.064516129032258) internal successors, (190), 63 states have internal predecessors, (190), 0 states have call successors, (0), 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 64 [2024-10-11 20:31:01,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:01,290 INFO L225 Difference]: With dead ends: 170 [2024-10-11 20:31:01,290 INFO L226 Difference]: Without dead ends: 137 [2024-10-11 20:31:01,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2197 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=591, Invalid=3315, Unknown=0, NotChecked=0, Total=3906 [2024-10-11 20:31:01,292 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 53 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:01,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 167 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:01,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-11 20:31:01,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-10-11 20:31:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 128 states have (on average 1.125) internal successors, (144), 131 states have internal predecessors, (144), 0 states have call successors, (0), 0 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 20:31:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 144 transitions. [2024-10-11 20:31:01,296 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 144 transitions. Word has length 64 [2024-10-11 20:31:01,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:01,297 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 144 transitions. [2024-10-11 20:31:01,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 62 states have (on average 3.064516129032258) internal successors, (190), 63 states have internal predecessors, (190), 0 states have call successors, (0), 0 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 20:31:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 144 transitions. [2024-10-11 20:31:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-11 20:31:01,298 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:01,298 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1] [2024-10-11 20:31:01,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:31:01,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 20:31:01,499 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:01,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:01,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1532769946, now seen corresponding path program 3 times [2024-10-11 20:31:01,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:01,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953597237] [2024-10-11 20:31:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:01,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:01,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:01,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953597237] [2024-10-11 20:31:01,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953597237] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:01,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144823076] [2024-10-11 20:31:01,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:31:01,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:01,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:01,865 INFO L229 MonitoredProcess]: Starting monitored process 12 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 20:31:01,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:31:01,927 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-11 20:31:01,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:01,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:31:01,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:02,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:02,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144823076] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:02,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:02,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-10-11 20:31:02,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026718121] [2024-10-11 20:31:02,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:02,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-10-11 20:31:02,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:02,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-10-11 20:31:02,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-10-11 20:31:02,460 INFO L87 Difference]: Start difference. First operand 132 states and 144 transitions. Second operand has 46 states, 45 states have (on average 3.8) internal successors, (171), 46 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:31:02,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:02,557 INFO L93 Difference]: Finished difference Result 241 states and 259 transitions. [2024-10-11 20:31:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-11 20:31:02,558 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.8) internal successors, (171), 46 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-10-11 20:31:02,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:02,559 INFO L225 Difference]: With dead ends: 241 [2024-10-11 20:31:02,559 INFO L226 Difference]: Without dead ends: 240 [2024-10-11 20:31:02,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-10-11 20:31:02,560 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 92 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:02,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 208 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:02,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-11 20:31:02,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 190. [2024-10-11 20:31:02,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 186 states have (on average 1.1774193548387097) internal successors, (219), 189 states have internal predecessors, (219), 0 states have call successors, (0), 0 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 20:31:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 219 transitions. [2024-10-11 20:31:02,567 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 219 transitions. Word has length 86 [2024-10-11 20:31:02,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:02,567 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 219 transitions. [2024-10-11 20:31:02,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.8) internal successors, (171), 46 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:31:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 219 transitions. [2024-10-11 20:31:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 20:31:02,569 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:02,569 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 1, 1, 1] [2024-10-11 20:31:02,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:31:02,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-11 20:31:02,774 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:02,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:02,774 INFO L85 PathProgramCache]: Analyzing trace with hash -181862724, now seen corresponding path program 3 times [2024-10-11 20:31:02,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:02,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410055467] [2024-10-11 20:31:02,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:02,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:03,083 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:03,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:03,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410055467] [2024-10-11 20:31:03,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410055467] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:03,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767841122] [2024-10-11 20:31:03,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:31:03,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:03,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:03,085 INFO L229 MonitoredProcess]: Starting monitored process 13 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 20:31:03,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:31:03,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-11 20:31:03,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:03,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 20:31:03,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:03,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:03,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767841122] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:03,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:03,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-10-11 20:31:03,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599951748] [2024-10-11 20:31:03,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:03,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-10-11 20:31:03,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:03,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-10-11 20:31:03,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-10-11 20:31:03,656 INFO L87 Difference]: Start difference. First operand 190 states and 219 transitions. Second operand has 46 states, 45 states have (on average 3.888888888888889) internal successors, (175), 46 states have internal predecessors, (175), 0 states have call successors, (0), 0 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 20:31:03,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:03,748 INFO L93 Difference]: Finished difference Result 232 states and 250 transitions. [2024-10-11 20:31:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-11 20:31:03,748 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.888888888888889) internal successors, (175), 46 states have internal predecessors, (175), 0 states have call successors, (0), 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 88 [2024-10-11 20:31:03,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:03,749 INFO L225 Difference]: With dead ends: 232 [2024-10-11 20:31:03,749 INFO L226 Difference]: Without dead ends: 231 [2024-10-11 20:31:03,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-10-11 20:31:03,750 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 77 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:03,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 193 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:03,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-10-11 20:31:03,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 192. [2024-10-11 20:31:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 188 states have (on average 1.1170212765957446) internal successors, (210), 191 states have internal predecessors, (210), 0 states have call successors, (0), 0 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 20:31:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 210 transitions. [2024-10-11 20:31:03,755 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 210 transitions. Word has length 88 [2024-10-11 20:31:03,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:03,756 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 210 transitions. [2024-10-11 20:31:03,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.888888888888889) internal successors, (175), 46 states have internal predecessors, (175), 0 states have call successors, (0), 0 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 20:31:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 210 transitions. [2024-10-11 20:31:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 20:31:03,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:03,756 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1] [2024-10-11 20:31:03,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:31:03,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 20:31:03,961 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:03,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:03,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1342777091, now seen corresponding path program 3 times [2024-10-11 20:31:03,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:03,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556164212] [2024-10-11 20:31:03,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:03,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:04,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:04,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556164212] [2024-10-11 20:31:04,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556164212] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:04,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158043071] [2024-10-11 20:31:04,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:31:04,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:04,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:04,085 INFO L229 MonitoredProcess]: Starting monitored process 14 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 20:31:04,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:31:04,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-11 20:31:04,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:04,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:31:04,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:04,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:04,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158043071] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:04,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:04,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-10-11 20:31:04,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571760640] [2024-10-11 20:31:04,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:04,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 20:31:04,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:04,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 20:31:04,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:31:04,422 INFO L87 Difference]: Start difference. First operand 192 states and 210 transitions. Second operand has 24 states, 23 states have (on average 7.695652173913044) internal successors, (177), 24 states have internal predecessors, (177), 0 states have call successors, (0), 0 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 20:31:04,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:04,472 INFO L93 Difference]: Finished difference Result 229 states and 240 transitions. [2024-10-11 20:31:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 20:31:04,472 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.695652173913044) internal successors, (177), 24 states have internal predecessors, (177), 0 states have call successors, (0), 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 89 [2024-10-11 20:31:04,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:04,473 INFO L225 Difference]: With dead ends: 229 [2024-10-11 20:31:04,473 INFO L226 Difference]: Without dead ends: 228 [2024-10-11 20:31:04,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:31:04,473 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 67 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:04,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 211 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:31:04,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-11 20:31:04,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 193. [2024-10-11 20:31:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 189 states have (on average 1.0582010582010581) internal successors, (200), 192 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:31:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 200 transitions. [2024-10-11 20:31:04,479 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 200 transitions. Word has length 89 [2024-10-11 20:31:04,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:04,479 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 200 transitions. [2024-10-11 20:31:04,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.695652173913044) internal successors, (177), 24 states have internal predecessors, (177), 0 states have call successors, (0), 0 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 20:31:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 200 transitions. [2024-10-11 20:31:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 20:31:04,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:04,480 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:04,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 20:31:04,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:04,682 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:04,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:04,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1683346318, now seen corresponding path program 4 times [2024-10-11 20:31:04,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:04,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879252899] [2024-10-11 20:31:04,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:04,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:05,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:05,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879252899] [2024-10-11 20:31:05,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879252899] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:05,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171597796] [2024-10-11 20:31:05,230 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:31:05,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:05,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:05,232 INFO L229 MonitoredProcess]: Starting monitored process 15 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 20:31:05,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:31:05,286 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:31:05,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:05,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-10-11 20:31:05,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:06,240 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:07,489 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:07,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171597796] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:07,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:07,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 47, 47] total 126 [2024-10-11 20:31:07,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715160655] [2024-10-11 20:31:07,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:07,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2024-10-11 20:31:07,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:07,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2024-10-11 20:31:07,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2267, Invalid=13735, Unknown=0, NotChecked=0, Total=16002 [2024-10-11 20:31:07,494 INFO L87 Difference]: Start difference. First operand 193 states and 200 transitions. Second operand has 127 states, 126 states have (on average 3.0317460317460316) internal successors, (382), 127 states have internal predecessors, (382), 0 states have call successors, (0), 0 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 20:31:07,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:07,761 INFO L93 Difference]: Finished difference Result 334 states and 364 transitions. [2024-10-11 20:31:07,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-10-11 20:31:07,761 INFO L78 Accepts]: Start accepts. Automaton has has 127 states, 126 states have (on average 3.0317460317460316) internal successors, (382), 127 states have internal predecessors, (382), 0 states have call successors, (0), 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 128 [2024-10-11 20:31:07,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:07,762 INFO L225 Difference]: With dead ends: 334 [2024-10-11 20:31:07,762 INFO L226 Difference]: Without dead ends: 269 [2024-10-11 20:31:07,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9989 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2267, Invalid=13735, Unknown=0, NotChecked=0, Total=16002 [2024-10-11 20:31:07,766 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 152 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:07,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 258 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:31:07,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-10-11 20:31:07,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 260. [2024-10-11 20:31:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 256 states have (on average 1.109375) internal successors, (284), 259 states have internal predecessors, (284), 0 states have call successors, (0), 0 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 20:31:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 284 transitions. [2024-10-11 20:31:07,773 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 284 transitions. Word has length 128 [2024-10-11 20:31:07,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:07,773 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 284 transitions. [2024-10-11 20:31:07,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 126 states have (on average 3.0317460317460316) internal successors, (382), 127 states have internal predecessors, (382), 0 states have call successors, (0), 0 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 20:31:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 284 transitions. [2024-10-11 20:31:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 20:31:07,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:07,774 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1] [2024-10-11 20:31:07,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:31:07,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 20:31:07,978 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:07,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:07,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1064355426, now seen corresponding path program 4 times [2024-10-11 20:31:07,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:07,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346161218] [2024-10-11 20:31:07,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:07,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:08,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:08,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346161218] [2024-10-11 20:31:08,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346161218] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:08,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498568947] [2024-10-11 20:31:08,944 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:31:08,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:08,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:08,946 INFO L229 MonitoredProcess]: Starting monitored process 16 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 20:31:08,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:31:09,026 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:31:09,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:09,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-11 20:31:09,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:09,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:10,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498568947] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:10,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:10,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-10-11 20:31:10,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795467651] [2024-10-11 20:31:10,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:10,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-10-11 20:31:10,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:10,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-10-11 20:31:10,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-10-11 20:31:10,770 INFO L87 Difference]: Start difference. First operand 260 states and 284 transitions. Second operand has 94 states, 93 states have (on average 3.903225806451613) internal successors, (363), 94 states have internal predecessors, (363), 0 states have call successors, (0), 0 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 20:31:10,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:10,985 INFO L93 Difference]: Finished difference Result 489 states and 527 transitions. [2024-10-11 20:31:10,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-10-11 20:31:10,986 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.903225806451613) internal successors, (363), 94 states have internal predecessors, (363), 0 states have call successors, (0), 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 182 [2024-10-11 20:31:10,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:10,987 INFO L225 Difference]: With dead ends: 489 [2024-10-11 20:31:10,987 INFO L226 Difference]: Without dead ends: 488 [2024-10-11 20:31:10,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-10-11 20:31:10,988 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 256 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:10,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 374 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:31:10,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-11 20:31:10,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 382. [2024-10-11 20:31:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 378 states have (on average 1.1719576719576719) internal successors, (443), 381 states have internal predecessors, (443), 0 states have call successors, (0), 0 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 20:31:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 443 transitions. [2024-10-11 20:31:10,998 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 443 transitions. Word has length 182 [2024-10-11 20:31:10,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:10,998 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 443 transitions. [2024-10-11 20:31:10,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.903225806451613) internal successors, (363), 94 states have internal predecessors, (363), 0 states have call successors, (0), 0 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 20:31:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 443 transitions. [2024-10-11 20:31:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 20:31:10,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:10,999 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 22, 22, 1, 1, 1] [2024-10-11 20:31:11,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 20:31:11,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:31:11,200 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:11,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash -643346240, now seen corresponding path program 4 times [2024-10-11 20:31:11,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:11,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595976760] [2024-10-11 20:31:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:12,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:12,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595976760] [2024-10-11 20:31:12,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595976760] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:12,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282169540] [2024-10-11 20:31:12,114 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:31:12,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:12,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:12,116 INFO L229 MonitoredProcess]: Starting monitored process 17 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 20:31:12,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:31:12,185 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:31:12,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:12,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-10-11 20:31:12,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:12,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:12,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:13,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:13,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282169540] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:13,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:13,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-10-11 20:31:13,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338388291] [2024-10-11 20:31:13,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:13,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-10-11 20:31:13,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:13,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-10-11 20:31:13,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-10-11 20:31:13,895 INFO L87 Difference]: Start difference. First operand 382 states and 443 transitions. Second operand has 94 states, 93 states have (on average 3.946236559139785) internal successors, (367), 94 states have internal predecessors, (367), 0 states have call successors, (0), 0 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 20:31:14,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:14,111 INFO L93 Difference]: Finished difference Result 468 states and 506 transitions. [2024-10-11 20:31:14,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-10-11 20:31:14,111 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.946236559139785) internal successors, (367), 94 states have internal predecessors, (367), 0 states have call successors, (0), 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 184 [2024-10-11 20:31:14,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:14,112 INFO L225 Difference]: With dead ends: 468 [2024-10-11 20:31:14,113 INFO L226 Difference]: Without dead ends: 467 [2024-10-11 20:31:14,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-10-11 20:31:14,114 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 223 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:14,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 401 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:31:14,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-10-11 20:31:14,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 384. [2024-10-11 20:31:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 380 states have (on average 1.1105263157894736) internal successors, (422), 383 states have internal predecessors, (422), 0 states have call successors, (0), 0 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 20:31:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 422 transitions. [2024-10-11 20:31:14,122 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 422 transitions. Word has length 184 [2024-10-11 20:31:14,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:14,123 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 422 transitions. [2024-10-11 20:31:14,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.946236559139785) internal successors, (367), 94 states have internal predecessors, (367), 0 states have call successors, (0), 0 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 20:31:14,123 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 422 transitions. [2024-10-11 20:31:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 20:31:14,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:14,124 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1] [2024-10-11 20:31:14,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:31:14,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 20:31:14,328 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:14,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:14,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1531103097, now seen corresponding path program 4 times [2024-10-11 20:31:14,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:14,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114479413] [2024-10-11 20:31:14,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:14,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:14,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:14,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114479413] [2024-10-11 20:31:14,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114479413] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:14,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765357360] [2024-10-11 20:31:14,728 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:31:14,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:14,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:14,729 INFO L229 MonitoredProcess]: Starting monitored process 18 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 20:31:14,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:31:14,796 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:31:14,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:14,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:31:14,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:14,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:15,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765357360] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:15,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:15,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-10-11 20:31:15,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528928782] [2024-10-11 20:31:15,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:15,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-11 20:31:15,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:15,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-11 20:31:15,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 20:31:15,663 INFO L87 Difference]: Start difference. First operand 384 states and 422 transitions. Second operand has 48 states, 47 states have (on average 7.851063829787234) internal successors, (369), 48 states have internal predecessors, (369), 0 states have call successors, (0), 0 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 20:31:15,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:15,770 INFO L93 Difference]: Finished difference Result 461 states and 484 transitions. [2024-10-11 20:31:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-11 20:31:15,770 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 7.851063829787234) internal successors, (369), 48 states have internal predecessors, (369), 0 states have call successors, (0), 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 185 [2024-10-11 20:31:15,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:15,771 INFO L225 Difference]: With dead ends: 461 [2024-10-11 20:31:15,771 INFO L226 Difference]: Without dead ends: 460 [2024-10-11 20:31:15,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 20:31:15,772 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 167 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:15,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 379 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:31:15,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-11 20:31:15,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 385. [2024-10-11 20:31:15,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 381 states have (on average 1.0498687664041995) internal successors, (400), 384 states have internal predecessors, (400), 0 states have call successors, (0), 0 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 20:31:15,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 400 transitions. [2024-10-11 20:31:15,781 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 400 transitions. Word has length 185 [2024-10-11 20:31:15,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:15,781 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 400 transitions. [2024-10-11 20:31:15,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 7.851063829787234) internal successors, (369), 48 states have internal predecessors, (369), 0 states have call successors, (0), 0 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 20:31:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 400 transitions. [2024-10-11 20:31:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-10-11 20:31:15,783 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:15,783 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:15,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:31:15,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:31:15,988 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:15,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:15,988 INFO L85 PathProgramCache]: Analyzing trace with hash -383770846, now seen corresponding path program 5 times [2024-10-11 20:31:15,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:15,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974891090] [2024-10-11 20:31:15,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:15,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:17,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:17,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974891090] [2024-10-11 20:31:17,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974891090] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:17,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462059167] [2024-10-11 20:31:17,805 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 20:31:17,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:17,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:17,807 INFO L229 MonitoredProcess]: Starting monitored process 19 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 20:31:17,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:31:17,984 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2024-10-11 20:31:17,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:17,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-10-11 20:31:17,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:20,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:25,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462059167] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:25,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:25,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 95, 95] total 254 [2024-10-11 20:31:25,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890284859] [2024-10-11 20:31:25,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:25,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 255 states [2024-10-11 20:31:25,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:25,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants. [2024-10-11 20:31:25,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8883, Invalid=55887, Unknown=0, NotChecked=0, Total=64770 [2024-10-11 20:31:25,198 INFO L87 Difference]: Start difference. First operand 385 states and 400 transitions. Second operand has 255 states, 254 states have (on average 3.015748031496063) internal successors, (766), 255 states have internal predecessors, (766), 0 states have call successors, (0), 0 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 20:31:25,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:25,832 INFO L93 Difference]: Finished difference Result 662 states and 724 transitions. [2024-10-11 20:31:25,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-10-11 20:31:25,833 INFO L78 Accepts]: Start accepts. Automaton has has 255 states, 254 states have (on average 3.015748031496063) internal successors, (766), 255 states have internal predecessors, (766), 0 states have call successors, (0), 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 256 [2024-10-11 20:31:25,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:25,835 INFO L225 Difference]: With dead ends: 662 [2024-10-11 20:31:25,835 INFO L226 Difference]: Without dead ends: 533 [2024-10-11 20:31:25,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42469 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=8883, Invalid=55887, Unknown=0, NotChecked=0, Total=64770 [2024-10-11 20:31:25,839 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 412 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:25,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 402 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:31:25,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-10-11 20:31:25,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 516. [2024-10-11 20:31:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 512 states have (on average 1.1015625) internal successors, (564), 515 states have internal predecessors, (564), 0 states have call successors, (0), 0 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 20:31:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 564 transitions. [2024-10-11 20:31:25,852 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 564 transitions. Word has length 256 [2024-10-11 20:31:25,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:25,853 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 564 transitions. [2024-10-11 20:31:25,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 255 states, 254 states have (on average 3.015748031496063) internal successors, (766), 255 states have internal predecessors, (766), 0 states have call successors, (0), 0 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 20:31:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 564 transitions. [2024-10-11 20:31:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-10-11 20:31:25,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:25,856 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 46, 1, 1, 1] [2024-10-11 20:31:25,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:31:26,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:26,057 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:26,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:26,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2036355162, now seen corresponding path program 5 times [2024-10-11 20:31:26,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:26,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532949211] [2024-10-11 20:31:26,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:29,731 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 0 proven. 8464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:29,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:29,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532949211] [2024-10-11 20:31:29,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532949211] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:29,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552379642] [2024-10-11 20:31:29,732 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 20:31:29,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:29,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:29,733 INFO L229 MonitoredProcess]: Starting monitored process 20 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 20:31:29,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:31:30,047 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-11 20:31:30,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:30,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-10-11 20:31:30,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 0 proven. 8464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:30,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:35,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 0 proven. 8464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:35,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552379642] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:35,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:35,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-10-11 20:31:35,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820886593] [2024-10-11 20:31:35,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:35,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-10-11 20:31:35,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:36,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-10-11 20:31:36,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-10-11 20:31:36,003 INFO L87 Difference]: Start difference. First operand 516 states and 564 transitions. Second operand has 190 states, 189 states have (on average 3.9523809523809526) internal successors, (747), 190 states have internal predecessors, (747), 0 states have call successors, (0), 0 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 20:31:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:36,759 INFO L93 Difference]: Finished difference Result 985 states and 1063 transitions. [2024-10-11 20:31:36,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-10-11 20:31:36,760 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.9523809523809526) internal successors, (747), 190 states have internal predecessors, (747), 0 states have call successors, (0), 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 374 [2024-10-11 20:31:36,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:36,763 INFO L225 Difference]: With dead ends: 985 [2024-10-11 20:31:36,763 INFO L226 Difference]: Without dead ends: 984 [2024-10-11 20:31:36,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 841 GetRequests, 653 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-10-11 20:31:36,764 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 686 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:36,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 700 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:36,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-10-11 20:31:36,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 766. [2024-10-11 20:31:36,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 762 states have (on average 1.169291338582677) internal successors, (891), 765 states have internal predecessors, (891), 0 states have call successors, (0), 0 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 20:31:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 891 transitions. [2024-10-11 20:31:36,781 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 891 transitions. Word has length 374 [2024-10-11 20:31:36,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:36,782 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 891 transitions. [2024-10-11 20:31:36,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.9523809523809526) internal successors, (747), 190 states have internal predecessors, (747), 0 states have call successors, (0), 0 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 20:31:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 891 transitions. [2024-10-11 20:31:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-10-11 20:31:36,785 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:36,785 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 46, 46, 46, 1, 1, 1] [2024-10-11 20:31:36,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 20:31:36,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:36,985 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:36,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:36,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1567777992, now seen corresponding path program 5 times [2024-10-11 20:31:36,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:36,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693155735] [2024-10-11 20:31:36,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:36,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:40,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:40,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693155735] [2024-10-11 20:31:40,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693155735] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:40,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039834322] [2024-10-11 20:31:40,756 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 20:31:40,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:40,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:40,758 INFO L229 MonitoredProcess]: Starting monitored process 21 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 20:31:40,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:31:41,078 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-11 20:31:41,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:41,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-10-11 20:31:41,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:41,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:47,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039834322] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:47,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:47,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-10-11 20:31:47,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708544635] [2024-10-11 20:31:47,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:47,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-10-11 20:31:47,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:47,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-10-11 20:31:47,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-10-11 20:31:47,251 INFO L87 Difference]: Start difference. First operand 766 states and 891 transitions. Second operand has 190 states, 189 states have (on average 3.9735449735449735) internal successors, (751), 190 states have internal predecessors, (751), 0 states have call successors, (0), 0 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 20:31:47,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:47,879 INFO L93 Difference]: Finished difference Result 940 states and 1018 transitions. [2024-10-11 20:31:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-10-11 20:31:47,880 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.9735449735449735) internal successors, (751), 190 states have internal predecessors, (751), 0 states have call successors, (0), 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 376 [2024-10-11 20:31:47,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:47,883 INFO L225 Difference]: With dead ends: 940 [2024-10-11 20:31:47,883 INFO L226 Difference]: Without dead ends: 939 [2024-10-11 20:31:47,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 845 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-10-11 20:31:47,886 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 604 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:47,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 668 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:31:47,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-10-11 20:31:47,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 768. [2024-10-11 20:31:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 764 states have (on average 1.1073298429319371) internal successors, (846), 767 states have internal predecessors, (846), 0 states have call successors, (0), 0 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 20:31:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 846 transitions. [2024-10-11 20:31:47,935 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 846 transitions. Word has length 376 [2024-10-11 20:31:47,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:47,935 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 846 transitions. [2024-10-11 20:31:47,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.9735449735449735) internal successors, (751), 190 states have internal predecessors, (751), 0 states have call successors, (0), 0 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 20:31:47,936 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 846 transitions. [2024-10-11 20:31:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-10-11 20:31:47,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:47,937 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1] [2024-10-11 20:31:47,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 20:31:48,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:48,142 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:48,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:48,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1356477553, now seen corresponding path program 5 times [2024-10-11 20:31:48,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:48,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545869377] [2024-10-11 20:31:48,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:48,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:49,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:49,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545869377] [2024-10-11 20:31:49,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545869377] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:49,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374634746] [2024-10-11 20:31:49,613 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 20:31:49,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:49,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:49,615 INFO L229 MonitoredProcess]: Starting monitored process 22 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 20:31:49,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:31:49,917 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-11 20:31:49,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:31:49,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-11 20:31:49,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:31:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:50,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:31:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8602 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:52,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374634746] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:31:52,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:31:52,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-10-11 20:31:52,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628570307] [2024-10-11 20:31:52,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:31:52,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-11 20:31:52,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:31:52,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-11 20:31:52,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-10-11 20:31:52,538 INFO L87 Difference]: Start difference. First operand 768 states and 846 transitions. Second operand has 96 states, 95 states have (on average 7.926315789473684) internal successors, (753), 96 states have internal predecessors, (753), 0 states have call successors, (0), 0 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 20:31:52,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:31:52,846 INFO L93 Difference]: Finished difference Result 925 states and 972 transitions. [2024-10-11 20:31:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-11 20:31:52,846 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 7.926315789473684) internal successors, (753), 96 states have internal predecessors, (753), 0 states have call successors, (0), 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 377 [2024-10-11 20:31:52,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:31:52,848 INFO L225 Difference]: With dead ends: 925 [2024-10-11 20:31:52,848 INFO L226 Difference]: Without dead ends: 924 [2024-10-11 20:31:52,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 706 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-10-11 20:31:52,850 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 577 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:31:52,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 753 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:31:52,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-10-11 20:31:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 769. [2024-10-11 20:31:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 765 states have (on average 1.0457516339869282) internal successors, (800), 768 states have internal predecessors, (800), 0 states have call successors, (0), 0 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 20:31:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 800 transitions. [2024-10-11 20:31:52,867 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 800 transitions. Word has length 377 [2024-10-11 20:31:52,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:31:52,867 INFO L471 AbstractCegarLoop]: Abstraction has 769 states and 800 transitions. [2024-10-11 20:31:52,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 7.926315789473684) internal successors, (753), 96 states have internal predecessors, (753), 0 states have call successors, (0), 0 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 20:31:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 800 transitions. [2024-10-11 20:31:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2024-10-11 20:31:52,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:31:52,869 INFO L215 NwaCegarLoop]: trace histogram [64, 63, 63, 63, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:31:52,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-11 20:31:53,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-11 20:31:53,074 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:31:53,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:31:53,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2054882434, now seen corresponding path program 6 times [2024-10-11 20:31:53,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:31:53,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820024043] [2024-10-11 20:31:53,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:31:53,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:31:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:31:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:31:59,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:31:59,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820024043] [2024-10-11 20:31:59,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820024043] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:31:59,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446721852] [2024-10-11 20:31:59,748 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-11 20:31:59,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:31:59,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:31:59,749 INFO L229 MonitoredProcess]: Starting monitored process 23 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 20:31:59,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:32:00,103 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2024-10-11 20:32:00,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:32:00,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 255 conjuncts are in the unsatisfiable core [2024-10-11 20:32:00,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:32:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:32:08,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:32:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:32:22,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446721852] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:32:22,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:32:22,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [130, 191, 191] total 510 [2024-10-11 20:32:22,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567943188] [2024-10-11 20:32:22,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:32:22,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 511 states [2024-10-11 20:32:22,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:32:22,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 511 interpolants. [2024-10-11 20:32:22,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35171, Invalid=225439, Unknown=0, NotChecked=0, Total=260610 [2024-10-11 20:32:22,168 INFO L87 Difference]: Start difference. First operand 769 states and 800 transitions. Second operand has 511 states, 510 states have (on average 3.007843137254902) internal successors, (1534), 511 states have internal predecessors, (1534), 0 states have call successors, (0), 0 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 20:32:24,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:32:24,507 INFO L93 Difference]: Finished difference Result 1318 states and 1444 transitions. [2024-10-11 20:32:24,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2024-10-11 20:32:24,508 INFO L78 Accepts]: Start accepts. Automaton has has 511 states, 510 states have (on average 3.007843137254902) internal successors, (1534), 511 states have internal predecessors, (1534), 0 states have call successors, (0), 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 512 [2024-10-11 20:32:24,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:32:24,511 INFO L225 Difference]: With dead ends: 1318 [2024-10-11 20:32:24,511 INFO L226 Difference]: Without dead ends: 1061 [2024-10-11 20:32:24,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1152 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 509 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175013 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=35171, Invalid=225439, Unknown=0, NotChecked=0, Total=260610 [2024-10-11 20:32:24,519 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 946 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:32:24,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 790 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:32:24,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2024-10-11 20:32:24,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1028. [2024-10-11 20:32:24,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 1024 states have (on average 1.09765625) internal successors, (1124), 1027 states have internal predecessors, (1124), 0 states have call successors, (0), 0 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 20:32:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1124 transitions. [2024-10-11 20:32:24,542 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1124 transitions. Word has length 512 [2024-10-11 20:32:24,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:32:24,542 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1124 transitions. [2024-10-11 20:32:24,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 511 states, 510 states have (on average 3.007843137254902) internal successors, (1534), 511 states have internal predecessors, (1534), 0 states have call successors, (0), 0 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 20:32:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1124 transitions. [2024-10-11 20:32:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 759 [2024-10-11 20:32:24,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:32:24,547 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 94, 1, 1, 1] [2024-10-11 20:32:24,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-11 20:32:24,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:32:24,750 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 20:32:24,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:32:24,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1617583030, now seen corresponding path program 6 times [2024-10-11 20:32:24,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:32:24,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633076226] [2024-10-11 20:32:24,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:32:24,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:32:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat