./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:42:46,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:42:46,764 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:42:46,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:42:46,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:42:46,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:42:46,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:42:46,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:42:46,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:42:46,797 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:42:46,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:42:46,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:42:46,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:42:46,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:42:46,801 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:42:46,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:42:46,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:42:46,801 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:42:46,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:42:46,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:42:46,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:42:46,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:42:46,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:42:46,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:42:46,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:42:46,806 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:42:46,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:42:46,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:42:46,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:42:46,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:42:46,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:42:46,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:42:46,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:42:46,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:42:46,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:42:46,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:42:46,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:42:46,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:42:46,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:42:46,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:42:46,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:42:46,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:42:46,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:42:46,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:42:46,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 [2024-10-11 20:42:47,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:42:47,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:42:47,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:42:47,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:42:47,064 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:42:47,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2024-10-11 20:42:48,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:42:48,573 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:42:48,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2024-10-11 20:42:48,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6157510ad/08f5b73d4d41490e81de0c8cf6bf3bf9/FLAG7a058e1e1 [2024-10-11 20:42:48,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6157510ad/08f5b73d4d41490e81de0c8cf6bf3bf9 [2024-10-11 20:42:48,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:42:48,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:42:48,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:42:48,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:42:48,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:42:48,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:42:48" (1/1) ... [2024-10-11 20:42:48,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4abfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:48, skipping insertion in model container [2024-10-11 20:42:48,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:42:48" (1/1) ... [2024-10-11 20:42:49,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:42:49,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:42:49,170 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:42:49,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:42:49,234 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:42:49,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49 WrapperNode [2024-10-11 20:42:49,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:42:49,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:42:49,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:42:49,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:42:49,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,291 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-10-11 20:42:49,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:42:49,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:42:49,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:42:49,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:42:49,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,314 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,334 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 20:42:49,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:42:49,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:42:49,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:42:49,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:42:49,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (1/1) ... [2024-10-11 20:42:49,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:42:49,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:49,407 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 20:42:49,410 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 20:42:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:42:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 20:42:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 20:42:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:42:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:42:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:42:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:42:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:42:49,509 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:42:49,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:42:50,187 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-10-11 20:42:50,187 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:42:50,209 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:42:50,209 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:42:50,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:42:50 BoogieIcfgContainer [2024-10-11 20:42:50,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:42:50,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:42:50,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:42:50,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:42:50,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:42:48" (1/3) ... [2024-10-11 20:42:50,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e9127d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:42:50, skipping insertion in model container [2024-10-11 20:42:50,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:42:49" (2/3) ... [2024-10-11 20:42:50,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e9127d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:42:50, skipping insertion in model container [2024-10-11 20:42:50,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:42:50" (3/3) ... [2024-10-11 20:42:50,219 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound50.c [2024-10-11 20:42:50,233 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:42:50,233 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-10-11 20:42:50,298 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:42:50,304 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;@71581777, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:42:50,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-10-11 20:42:50,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:42:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:42:50,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:50,317 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:50,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:50,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:50,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1634057786, now seen corresponding path program 1 times [2024-10-11 20:42:50,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:50,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816625770] [2024-10-11 20:42:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:50,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:50,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:50,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:50,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:50,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:42:50,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:50,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816625770] [2024-10-11 20:42:50,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816625770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:50,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:50,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:42:50,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211606342] [2024-10-11 20:42:50,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:50,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:42:50,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:50,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:42:50,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:42:50,494 INFO L87 Difference]: Start difference. First operand has 158 states, 79 states have (on average 1.9113924050632911) internal successors, (151), 144 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:42:50,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:50,528 INFO L93 Difference]: Finished difference Result 313 states and 359 transitions. [2024-10-11 20:42:50,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:42:50,530 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2024-10-11 20:42:50,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:50,537 INFO L225 Difference]: With dead ends: 313 [2024-10-11 20:42:50,538 INFO L226 Difference]: Without dead ends: 154 [2024-10-11 20:42:50,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:42:50,546 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:50,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:42:50,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-11 20:42:50,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-11 20:42:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 78 states have (on average 1.8205128205128205) internal successors, (142), 141 states have internal predecessors, (142), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 20:42:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2024-10-11 20:42:50,597 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 24 [2024-10-11 20:42:50,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:50,598 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2024-10-11 20:42:50,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 20:42:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-10-11 20:42:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:42:50,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:50,600 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:50,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:42:50,601 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:50,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:50,602 INFO L85 PathProgramCache]: Analyzing trace with hash 385715966, now seen corresponding path program 1 times [2024-10-11 20:42:50,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:50,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409165104] [2024-10-11 20:42:50,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:50,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:50,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547135415] [2024-10-11 20:42:50,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:50,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:50,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:50,663 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 20:42:50,665 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 20:42:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:50,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:42:50,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 20:42:50,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:50,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:50,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409165104] [2024-10-11 20:42:50,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:50,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547135415] [2024-10-11 20:42:50,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547135415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:50,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:50,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:42:50,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959480542] [2024-10-11 20:42:50,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:50,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:42:50,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:50,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:42:50,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:50,903 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:42:51,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:51,217 INFO L93 Difference]: Finished difference Result 154 states and 164 transitions. [2024-10-11 20:42:51,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:51,218 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 24 [2024-10-11 20:42:51,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:51,220 INFO L225 Difference]: With dead ends: 154 [2024-10-11 20:42:51,220 INFO L226 Difference]: Without dead ends: 152 [2024-10-11 20:42:51,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:51,221 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 196 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:51,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 236 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:51,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-11 20:42:51,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-10-11 20:42:51,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 78 states have (on average 1.794871794871795) internal successors, (140), 139 states have internal predecessors, (140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 20:42:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-10-11 20:42:51,231 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 24 [2024-10-11 20:42:51,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:51,232 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-10-11 20:42:51,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:42:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-10-11 20:42:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:42:51,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:51,233 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:51,251 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 20:42:51,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:51,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:51,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:51,439 INFO L85 PathProgramCache]: Analyzing trace with hash -927706900, now seen corresponding path program 1 times [2024-10-11 20:42:51,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:51,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655136952] [2024-10-11 20:42:51,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:51,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:51,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1443090549] [2024-10-11 20:42:51,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:51,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:51,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:51,462 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 20:42:51,470 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 20:42:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:51,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:42:51,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 20:42:51,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:42:51,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:51,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655136952] [2024-10-11 20:42:51,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:51,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443090549] [2024-10-11 20:42:51,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443090549] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:51,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:51,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:42:51,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905363894] [2024-10-11 20:42:51,870 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:42:51,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:42:51,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:51,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:42:51,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:42:51,871 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:42:52,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:52,222 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2024-10-11 20:42:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:52,223 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2024-10-11 20:42:52,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:52,224 INFO L225 Difference]: With dead ends: 152 [2024-10-11 20:42:52,224 INFO L226 Difference]: Without dead ends: 151 [2024-10-11 20:42:52,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:42:52,225 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 285 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:52,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 220 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:42:52,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-11 20:42:52,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-10-11 20:42:52,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 138 states have internal predecessors, (139), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 20:42:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2024-10-11 20:42:52,235 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 25 [2024-10-11 20:42:52,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:52,235 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2024-10-11 20:42:52,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:42:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-10-11 20:42:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:42:52,236 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:52,236 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:52,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:42:52,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:52,438 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:52,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1810640804, now seen corresponding path program 1 times [2024-10-11 20:42:52,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:52,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821184510] [2024-10-11 20:42:52,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:52,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:52,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:52,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821184510] [2024-10-11 20:42:52,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821184510] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:52,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022411587] [2024-10-11 20:42:52,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:52,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:52,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:52,612 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 20:42:52,613 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 20:42:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:52,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:42:52,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:52,673 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:52,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022411587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:52,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:52,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-10-11 20:42:52,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936661099] [2024-10-11 20:42:52,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:52,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:42:52,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:52,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:42:52,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:52,674 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:53,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:53,125 INFO L93 Difference]: Finished difference Result 257 states and 289 transitions. [2024-10-11 20:42:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:42:53,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-10-11 20:42:53,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:53,127 INFO L225 Difference]: With dead ends: 257 [2024-10-11 20:42:53,127 INFO L226 Difference]: Without dead ends: 247 [2024-10-11 20:42:53,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:42:53,128 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 89 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:53,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 217 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:53,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-11 20:42:53,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 204. [2024-10-11 20:42:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 127 states have (on average 1.763779527559055) internal successors, (224), 186 states have internal predecessors, (224), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 20:42:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2024-10-11 20:42:53,143 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 40 [2024-10-11 20:42:53,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:53,143 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2024-10-11 20:42:53,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2024-10-11 20:42:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:42:53,144 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:53,144 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:53,157 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 20:42:53,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:53,346 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:53,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:53,346 INFO L85 PathProgramCache]: Analyzing trace with hash 295288537, now seen corresponding path program 1 times [2024-10-11 20:42:53,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:53,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384915568] [2024-10-11 20:42:53,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:53,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:53,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1488233635] [2024-10-11 20:42:53,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:53,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:53,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:53,374 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 20:42:53,376 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 20:42:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:42:53,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:53,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:53,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:53,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384915568] [2024-10-11 20:42:53,423 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:53,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488233635] [2024-10-11 20:42:53,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488233635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:53,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:53,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:42:53,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584082873] [2024-10-11 20:42:53,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:53,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:42:53,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:53,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:42:53,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:42:53,425 INFO L87 Difference]: Start difference. First operand 204 states and 254 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 20:42:53,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:53,506 INFO L93 Difference]: Finished difference Result 350 states and 450 transitions. [2024-10-11 20:42:53,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:42:53,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2024-10-11 20:42:53,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:53,509 INFO L225 Difference]: With dead ends: 350 [2024-10-11 20:42:53,509 INFO L226 Difference]: Without dead ends: 342 [2024-10-11 20:42:53,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 20:42:53,510 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 83 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:53,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 271 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:42:53,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-11 20:42:53,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 303. [2024-10-11 20:42:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 218 states have (on average 1.7660550458715596) internal successors, (385), 277 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 431 transitions. [2024-10-11 20:42:53,525 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 431 transitions. Word has length 41 [2024-10-11 20:42:53,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:53,526 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 431 transitions. [2024-10-11 20:42:53,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 20:42:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 431 transitions. [2024-10-11 20:42:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 20:42:53,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:53,527 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:53,539 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 20:42:53,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:53,727 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:53,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:53,728 INFO L85 PathProgramCache]: Analyzing trace with hash 564063750, now seen corresponding path program 1 times [2024-10-11 20:42:53,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:53,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048358851] [2024-10-11 20:42:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:53,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:53,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:53,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048358851] [2024-10-11 20:42:53,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048358851] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:53,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096978690] [2024-10-11 20:42:53,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:53,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:53,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:53,847 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 20:42:53,848 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 20:42:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:53,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:53,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:53,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:53,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096978690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:53,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:53,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:53,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038536136] [2024-10-11 20:42:53,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:53,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:53,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:53,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:53,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:53,955 INFO L87 Difference]: Start difference. First operand 303 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:54,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:54,487 INFO L93 Difference]: Finished difference Result 322 states and 453 transitions. [2024-10-11 20:42:54,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:54,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-10-11 20:42:54,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:54,490 INFO L225 Difference]: With dead ends: 322 [2024-10-11 20:42:54,490 INFO L226 Difference]: Without dead ends: 321 [2024-10-11 20:42:54,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:54,491 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 59 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:54,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 199 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:42:54,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-11 20:42:54,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 304. [2024-10-11 20:42:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2024-10-11 20:42:54,518 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2024-10-11 20:42:54,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:54,518 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2024-10-11 20:42:54,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2024-10-11 20:42:54,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:42:54,521 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:54,521 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:54,536 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 20:42:54,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:54,726 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:54,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:54,727 INFO L85 PathProgramCache]: Analyzing trace with hash 304444923, now seen corresponding path program 1 times [2024-10-11 20:42:54,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:54,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476460004] [2024-10-11 20:42:54,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:54,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:54,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:54,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:54,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:54,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:54,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:54,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:54,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:54,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476460004] [2024-10-11 20:42:54,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476460004] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:54,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33630173] [2024-10-11 20:42:54,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:54,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:54,950 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 20:42:54,952 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 20:42:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:54,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:42:54,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:55,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:55,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33630173] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:55,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:55,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-10-11 20:42:55,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487302277] [2024-10-11 20:42:55,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:55,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:55,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:55,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:55,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:42:55,058 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:55,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:55,949 INFO L93 Difference]: Finished difference Result 385 states and 452 transitions. [2024-10-11 20:42:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:55,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-11 20:42:55,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:55,952 INFO L225 Difference]: With dead ends: 385 [2024-10-11 20:42:55,952 INFO L226 Difference]: Without dead ends: 384 [2024-10-11 20:42:55,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:42:55,953 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 475 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:55,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 280 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:42:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-10-11 20:42:55,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 304. [2024-10-11 20:42:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7579908675799087) internal successors, (385), 278 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 431 transitions. [2024-10-11 20:42:55,977 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 431 transitions. Word has length 43 [2024-10-11 20:42:55,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:55,978 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 431 transitions. [2024-10-11 20:42:55,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 431 transitions. [2024-10-11 20:42:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:42:55,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:55,978 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:55,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:42:56,179 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,SelfDestructingSolverStorable6 [2024-10-11 20:42:56,179 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:56,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:56,179 INFO L85 PathProgramCache]: Analyzing trace with hash 306107257, now seen corresponding path program 1 times [2024-10-11 20:42:56,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:56,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048411586] [2024-10-11 20:42:56,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:56,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:56,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:56,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048411586] [2024-10-11 20:42:56,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048411586] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:56,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568551183] [2024-10-11 20:42:56,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:56,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:56,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:56,279 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 20:42:56,281 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 20:42:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:56,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:42:56,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:56,358 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:56,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568551183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:56,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:56,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:56,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406253299] [2024-10-11 20:42:56,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:56,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:56,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:56,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:56,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:56,360 INFO L87 Difference]: Start difference. First operand 304 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:56,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:56,784 INFO L93 Difference]: Finished difference Result 322 states and 451 transitions. [2024-10-11 20:42:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:56,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-11 20:42:56,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:56,786 INFO L225 Difference]: With dead ends: 322 [2024-10-11 20:42:56,786 INFO L226 Difference]: Without dead ends: 321 [2024-10-11 20:42:56,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:56,787 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 58 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:56,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 200 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:42:56,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-11 20:42:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 305. [2024-10-11 20:42:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2024-10-11 20:42:56,807 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 43 [2024-10-11 20:42:56,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:56,807 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2024-10-11 20:42:56,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2024-10-11 20:42:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:42:56,808 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:56,808 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:56,821 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 20:42:57,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:57,009 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:57,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:57,009 INFO L85 PathProgramCache]: Analyzing trace with hash 847858100, now seen corresponding path program 1 times [2024-10-11 20:42:57,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:57,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3665952] [2024-10-11 20:42:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:57,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:42:57,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204841709] [2024-10-11 20:42:57,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:57,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:57,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:57,024 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 20:42:57,026 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 20:42:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:57,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:42:57,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:57,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:57,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:57,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3665952] [2024-10-11 20:42:57,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:42:57,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204841709] [2024-10-11 20:42:57,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204841709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:57,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:42:57,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:42:57,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987359632] [2024-10-11 20:42:57,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:57,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:42:57,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:57,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:42:57,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:42:57,103 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:57,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:57,816 INFO L93 Difference]: Finished difference Result 384 states and 450 transitions. [2024-10-11 20:42:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:42:57,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-11 20:42:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:57,818 INFO L225 Difference]: With dead ends: 384 [2024-10-11 20:42:57,819 INFO L226 Difference]: Without dead ends: 383 [2024-10-11 20:42:57,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:57,820 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 470 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:57,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 281 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:42:57,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-11 20:42:57,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 305. [2024-10-11 20:42:57,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.75) internal successors, (385), 279 states have internal predecessors, (385), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 431 transitions. [2024-10-11 20:42:57,831 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 431 transitions. Word has length 44 [2024-10-11 20:42:57,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:57,831 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 431 transitions. [2024-10-11 20:42:57,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 431 transitions. [2024-10-11 20:42:57,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:42:57,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:57,832 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:57,852 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 20:42:58,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:58,033 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:58,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:58,034 INFO L85 PathProgramCache]: Analyzing trace with hash 899390568, now seen corresponding path program 1 times [2024-10-11 20:42:58,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:58,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484739291] [2024-10-11 20:42:58,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:58,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:58,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:58,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484739291] [2024-10-11 20:42:58,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484739291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:58,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886372273] [2024-10-11 20:42:58,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:58,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:58,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:58,125 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 20:42:58,133 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 20:42:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:58,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:58,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:58,223 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:58,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886372273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:58,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:58,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:58,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079646972] [2024-10-11 20:42:58,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:58,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:58,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:58,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:58,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:58,224 INFO L87 Difference]: Start difference. First operand 305 states and 431 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:59,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:42:59,262 INFO L93 Difference]: Finished difference Result 354 states and 459 transitions. [2024-10-11 20:42:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:42:59,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-10-11 20:42:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:42:59,263 INFO L225 Difference]: With dead ends: 354 [2024-10-11 20:42:59,264 INFO L226 Difference]: Without dead ends: 350 [2024-10-11 20:42:59,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:59,264 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 96 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:42:59,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 269 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:42:59,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-11 20:42:59,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 306. [2024-10-11 20:42:59,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.7239819004524888) internal successors, (381), 280 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:42:59,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 427 transitions. [2024-10-11 20:42:59,273 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 427 transitions. Word has length 44 [2024-10-11 20:42:59,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:42:59,274 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 427 transitions. [2024-10-11 20:42:59,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:42:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 427 transitions. [2024-10-11 20:42:59,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:42:59,274 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:42:59,274 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:42:59,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:42:59,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:59,479 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:42:59,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:42:59,479 INFO L85 PathProgramCache]: Analyzing trace with hash 2111304027, now seen corresponding path program 1 times [2024-10-11 20:42:59,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:42:59,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944556174] [2024-10-11 20:42:59,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:59,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:42:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:42:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:42:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:42:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:42:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:42:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:42:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:42:59,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:42:59,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944556174] [2024-10-11 20:42:59,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944556174] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:42:59,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285321117] [2024-10-11 20:42:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:42:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:42:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:42:59,553 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 20:42:59,554 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 20:42:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:42:59,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:42:59,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:42:59,690 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:42:59,690 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:42:59,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285321117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:42:59,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:42:59,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:42:59,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254877766] [2024-10-11 20:42:59,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:42:59,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:42:59,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:42:59,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:42:59,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:42:59,692 INFO L87 Difference]: Start difference. First operand 306 states and 427 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:43:00,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:00,972 INFO L93 Difference]: Finished difference Result 353 states and 453 transitions. [2024-10-11 20:43:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:00,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-10-11 20:43:00,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:00,974 INFO L225 Difference]: With dead ends: 353 [2024-10-11 20:43:00,974 INFO L226 Difference]: Without dead ends: 349 [2024-10-11 20:43:00,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:43:00,975 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 95 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:00,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 275 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 20:43:00,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-11 20:43:00,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 307. [2024-10-11 20:43:00,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.6981981981981982) internal successors, (377), 281 states have internal predecessors, (377), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:00,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 423 transitions. [2024-10-11 20:43:00,984 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 423 transitions. Word has length 45 [2024-10-11 20:43:00,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:00,984 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 423 transitions. [2024-10-11 20:43:00,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:43:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 423 transitions. [2024-10-11 20:43:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-11 20:43:00,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:00,985 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:00,998 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 20:43:01,185 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,SelfDestructingSolverStorable10 [2024-10-11 20:43:01,186 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:01,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:01,186 INFO L85 PathProgramCache]: Analyzing trace with hash -251836423, now seen corresponding path program 1 times [2024-10-11 20:43:01,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:01,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292053526] [2024-10-11 20:43:01,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:01,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:01,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1812391550] [2024-10-11 20:43:01,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:01,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:01,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:01,197 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 20:43:01,201 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 20:43:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:43:01,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:43:01,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:01,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:01,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292053526] [2024-10-11 20:43:01,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:01,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812391550] [2024-10-11 20:43:01,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812391550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:01,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:01,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:43:01,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275717204] [2024-10-11 20:43:01,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:01,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:43:01,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:01,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:43:01,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:43:01,255 INFO L87 Difference]: Start difference. First operand 307 states and 423 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:01,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:01,352 INFO L93 Difference]: Finished difference Result 355 states and 447 transitions. [2024-10-11 20:43:01,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:43:01,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-10-11 20:43:01,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:01,354 INFO L225 Difference]: With dead ends: 355 [2024-10-11 20:43:01,354 INFO L226 Difference]: Without dead ends: 351 [2024-10-11 20:43:01,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 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 20:43:01,355 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 84 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:01,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 285 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:43:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-11 20:43:01,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 312. [2024-10-11 20:43:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.676991150442478) internal successors, (379), 285 states have internal predecessors, (379), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:43:01,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 427 transitions. [2024-10-11 20:43:01,363 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 427 transitions. Word has length 50 [2024-10-11 20:43:01,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:01,363 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 427 transitions. [2024-10-11 20:43:01,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 427 transitions. [2024-10-11 20:43:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 20:43:01,364 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:01,364 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:01,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:01,564 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,SelfDestructingSolverStorable11 [2024-10-11 20:43:01,565 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:01,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:01,565 INFO L85 PathProgramCache]: Analyzing trace with hash -901112636, now seen corresponding path program 1 times [2024-10-11 20:43:01,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:01,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965483910] [2024-10-11 20:43:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:43:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,639 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:43:01,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:01,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965483910] [2024-10-11 20:43:01,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965483910] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:01,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754908237] [2024-10-11 20:43:01,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:01,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:01,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:01,641 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 20:43:01,643 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 20:43:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:01,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:43:01,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:43:01,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:01,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754908237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:01,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:01,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:43:01,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668012296] [2024-10-11 20:43:01,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:01,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:01,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:01,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:01,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:43:01,734 INFO L87 Difference]: Start difference. First operand 312 states and 427 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:02,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:02,070 INFO L93 Difference]: Finished difference Result 333 states and 431 transitions. [2024-10-11 20:43:02,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:02,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-10-11 20:43:02,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:02,072 INFO L225 Difference]: With dead ends: 333 [2024-10-11 20:43:02,072 INFO L226 Difference]: Without dead ends: 331 [2024-10-11 20:43:02,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:43:02,074 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 166 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:02,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 214 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:02,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-11 20:43:02,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-11 20:43:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.663716814159292) internal successors, (376), 285 states have internal predecessors, (376), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:43:02,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 424 transitions. [2024-10-11 20:43:02,085 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 424 transitions. Word has length 51 [2024-10-11 20:43:02,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:02,085 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 424 transitions. [2024-10-11 20:43:02,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:02,085 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2024-10-11 20:43:02,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 20:43:02,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:02,088 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:02,100 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 20:43:02,288 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,SelfDestructingSolverStorable12 [2024-10-11 20:43:02,289 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:02,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:02,289 INFO L85 PathProgramCache]: Analyzing trace with hash 2130279556, now seen corresponding path program 1 times [2024-10-11 20:43:02,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:02,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522371549] [2024-10-11 20:43:02,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:02,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 20:43:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:43:02,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:02,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522371549] [2024-10-11 20:43:02,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522371549] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:02,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961788600] [2024-10-11 20:43:02,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:02,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:02,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:02,372 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 20:43:02,373 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 20:43:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:43:02,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:43:02,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:02,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961788600] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:02,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:02,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:43:02,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624617561] [2024-10-11 20:43:02,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:02,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:02,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:02,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:02,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:43:02,459 INFO L87 Difference]: Start difference. First operand 312 states and 424 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:02,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:02,711 INFO L93 Difference]: Finished difference Result 333 states and 428 transitions. [2024-10-11 20:43:02,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:02,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-10-11 20:43:02,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:02,713 INFO L225 Difference]: With dead ends: 333 [2024-10-11 20:43:02,713 INFO L226 Difference]: Without dead ends: 331 [2024-10-11 20:43:02,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:43:02,713 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 229 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:02,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 197 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:43:02,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-11 20:43:02,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 312. [2024-10-11 20:43:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 226 states have (on average 1.6504424778761062) internal successors, (373), 285 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:43:02,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 421 transitions. [2024-10-11 20:43:02,722 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 421 transitions. Word has length 52 [2024-10-11 20:43:02,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:02,722 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 421 transitions. [2024-10-11 20:43:02,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:02,722 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 421 transitions. [2024-10-11 20:43:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 20:43:02,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:02,723 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:02,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:43:02,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:02,924 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:02,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:02,924 INFO L85 PathProgramCache]: Analyzing trace with hash 551428221, now seen corresponding path program 1 times [2024-10-11 20:43:02,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:02,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613154011] [2024-10-11 20:43:02,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:02,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:02,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787064880] [2024-10-11 20:43:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:02,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:02,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:02,933 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 20:43:02,934 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 20:43:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:02,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:43:02,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:43:02,996 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:02,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:02,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613154011] [2024-10-11 20:43:02,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:02,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787064880] [2024-10-11 20:43:02,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787064880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:02,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:02,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:43:02,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308056394] [2024-10-11 20:43:02,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:02,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:02,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:02,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:02,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:02,998 INFO L87 Difference]: Start difference. First operand 312 states and 421 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:03,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:03,712 INFO L93 Difference]: Finished difference Result 349 states and 435 transitions. [2024-10-11 20:43:03,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:03,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2024-10-11 20:43:03,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:03,714 INFO L225 Difference]: With dead ends: 349 [2024-10-11 20:43:03,714 INFO L226 Difference]: Without dead ends: 347 [2024-10-11 20:43:03,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:03,714 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 82 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:03,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 363 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:43:03,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-11 20:43:03,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 313. [2024-10-11 20:43:03,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6387665198237886) internal successors, (372), 286 states have internal predecessors, (372), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-11 20:43:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 420 transitions. [2024-10-11 20:43:03,723 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 420 transitions. Word has length 54 [2024-10-11 20:43:03,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:03,723 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 420 transitions. [2024-10-11 20:43:03,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:03,723 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 420 transitions. [2024-10-11 20:43:03,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 20:43:03,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:03,724 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:03,737 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 20:43:03,924 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,SelfDestructingSolverStorable14 [2024-10-11 20:43:03,925 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:03,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:03,925 INFO L85 PathProgramCache]: Analyzing trace with hash -85594241, now seen corresponding path program 1 times [2024-10-11 20:43:03,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:03,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765712938] [2024-10-11 20:43:03,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:03,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:03,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159537976] [2024-10-11 20:43:03,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:03,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:03,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:03,946 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 20:43:03,947 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 20:43:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:03,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:43:03,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:43:04,042 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:04,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:04,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765712938] [2024-10-11 20:43:04,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:04,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159537976] [2024-10-11 20:43:04,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159537976] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:04,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:04,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:43:04,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076584578] [2024-10-11 20:43:04,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:04,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:04,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:04,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:04,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:04,043 INFO L87 Difference]: Start difference. First operand 313 states and 420 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:04,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:04,517 INFO L93 Difference]: Finished difference Result 349 states and 432 transitions. [2024-10-11 20:43:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:04,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-10-11 20:43:04,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:04,518 INFO L225 Difference]: With dead ends: 349 [2024-10-11 20:43:04,518 INFO L226 Difference]: Without dead ends: 334 [2024-10-11 20:43:04,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:04,519 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 135 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:04,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 291 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:43:04,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-11 20:43:04,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 301. [2024-10-11 20:43:04,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6574074074074074) internal successors, (358), 275 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:04,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 404 transitions. [2024-10-11 20:43:04,527 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 404 transitions. Word has length 55 [2024-10-11 20:43:04,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:04,527 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 404 transitions. [2024-10-11 20:43:04,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:43:04,528 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 404 transitions. [2024-10-11 20:43:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 20:43:04,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:04,528 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:04,541 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 20:43:04,728 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,SelfDestructingSolverStorable15 [2024-10-11 20:43:04,729 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:04,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:04,730 INFO L85 PathProgramCache]: Analyzing trace with hash -793094161, now seen corresponding path program 1 times [2024-10-11 20:43:04,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:04,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577807341] [2024-10-11 20:43:04,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:04,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:04,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423624463] [2024-10-11 20:43:04,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:04,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:04,741 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 20:43:04,742 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 20:43:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:04,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:43:04,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:43:04,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:04,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:04,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577807341] [2024-10-11 20:43:04,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:04,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423624463] [2024-10-11 20:43:04,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423624463] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:04,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:04,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:43:04,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202252122] [2024-10-11 20:43:04,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:04,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:04,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:04,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:04,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:04,856 INFO L87 Difference]: Start difference. First operand 301 states and 404 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:43:05,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:05,352 INFO L93 Difference]: Finished difference Result 325 states and 425 transitions. [2024-10-11 20:43:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:05,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-10-11 20:43:05,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:05,353 INFO L225 Difference]: With dead ends: 325 [2024-10-11 20:43:05,354 INFO L226 Difference]: Without dead ends: 324 [2024-10-11 20:43:05,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:05,354 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 207 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:05,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 155 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:43:05,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-11 20:43:05,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-11 20:43:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6527777777777777) internal successors, (357), 275 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 403 transitions. [2024-10-11 20:43:05,362 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 403 transitions. Word has length 63 [2024-10-11 20:43:05,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:05,363 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 403 transitions. [2024-10-11 20:43:05,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:43:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 403 transitions. [2024-10-11 20:43:05,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:43:05,363 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:05,363 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:05,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:05,567 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,SelfDestructingSolverStorable16 [2024-10-11 20:43:05,568 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:05,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:05,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1183884886, now seen corresponding path program 1 times [2024-10-11 20:43:05,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:05,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878764212] [2024-10-11 20:43:05,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:05,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821424039] [2024-10-11 20:43:05,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:05,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:05,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:05,584 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 20:43:05,585 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 20:43:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:05,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:43:05,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 20:43:05,684 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:05,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:05,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878764212] [2024-10-11 20:43:05,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:05,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821424039] [2024-10-11 20:43:05,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821424039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:05,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:05,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:43:05,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054485059] [2024-10-11 20:43:05,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:05,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:05,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:05,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:05,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:05,686 INFO L87 Difference]: Start difference. First operand 301 states and 403 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:43:05,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:05,934 INFO L93 Difference]: Finished difference Result 325 states and 424 transitions. [2024-10-11 20:43:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:05,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-10-11 20:43:05,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:05,936 INFO L225 Difference]: With dead ends: 325 [2024-10-11 20:43:05,936 INFO L226 Difference]: Without dead ends: 324 [2024-10-11 20:43:05,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:05,936 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 205 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:05,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 155 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:43:05,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-11 20:43:05,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 301. [2024-10-11 20:43:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6481481481481481) internal successors, (356), 275 states have internal predecessors, (356), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:05,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 402 transitions. [2024-10-11 20:43:05,952 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 402 transitions. Word has length 64 [2024-10-11 20:43:05,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:05,953 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 402 transitions. [2024-10-11 20:43:05,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:43:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 402 transitions. [2024-10-11 20:43:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 20:43:05,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:05,953 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:05,970 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 20:43:06,157 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,SelfDestructingSolverStorable17 [2024-10-11 20:43:06,158 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:06,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:06,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1511060975, now seen corresponding path program 1 times [2024-10-11 20:43:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:06,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405926470] [2024-10-11 20:43:06,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:06,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:06,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130020918] [2024-10-11 20:43:06,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:06,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:06,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:06,185 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 20:43:06,189 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 20:43:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:06,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:43:06,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:43:06,366 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:06,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:06,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405926470] [2024-10-11 20:43:06,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:06,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130020918] [2024-10-11 20:43:06,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130020918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:06,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:06,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:43:06,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157460114] [2024-10-11 20:43:06,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:06,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:06,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:06,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:06,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:06,369 INFO L87 Difference]: Start difference. First operand 301 states and 402 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:06,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:06,700 INFO L93 Difference]: Finished difference Result 327 states and 423 transitions. [2024-10-11 20:43:06,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:06,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2024-10-11 20:43:06,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:06,702 INFO L225 Difference]: With dead ends: 327 [2024-10-11 20:43:06,702 INFO L226 Difference]: Without dead ends: 326 [2024-10-11 20:43:06,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:06,703 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 44 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:06,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 325 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:06,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-11 20:43:06,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-11 20:43:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6388888888888888) internal successors, (354), 275 states have internal predecessors, (354), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 400 transitions. [2024-10-11 20:43:06,713 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 400 transitions. Word has length 74 [2024-10-11 20:43:06,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:06,714 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 400 transitions. [2024-10-11 20:43:06,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 400 transitions. [2024-10-11 20:43:06,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 20:43:06,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:06,715 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:06,727 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 20:43:06,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:06,916 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:06,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:06,917 INFO L85 PathProgramCache]: Analyzing trace with hash 401750145, now seen corresponding path program 1 times [2024-10-11 20:43:06,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:06,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384807818] [2024-10-11 20:43:06,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:06,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:06,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1465822444] [2024-10-11 20:43:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:06,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:06,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:06,935 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 20:43:06,942 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 20:43:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:06,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:43:06,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:43:08,075 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:08,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:08,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384807818] [2024-10-11 20:43:08,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:08,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465822444] [2024-10-11 20:43:08,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465822444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:08,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:08,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:43:08,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814078298] [2024-10-11 20:43:08,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:08,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:08,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:08,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:08,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-11 20:43:08,077 INFO L87 Difference]: Start difference. First operand 301 states and 400 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:12,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 20:43:14,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:14,193 INFO L93 Difference]: Finished difference Result 327 states and 421 transitions. [2024-10-11 20:43:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:14,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-10-11 20:43:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:14,194 INFO L225 Difference]: With dead ends: 327 [2024-10-11 20:43:14,194 INFO L226 Difference]: Without dead ends: 326 [2024-10-11 20:43:14,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-11 20:43:14,195 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 86 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:14,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 223 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 6.1s Time] [2024-10-11 20:43:14,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-11 20:43:14,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 301. [2024-10-11 20:43:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6296296296296295) internal successors, (352), 275 states have internal predecessors, (352), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 398 transitions. [2024-10-11 20:43:14,204 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 398 transitions. Word has length 75 [2024-10-11 20:43:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:14,204 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 398 transitions. [2024-10-11 20:43:14,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 398 transitions. [2024-10-11 20:43:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 20:43:14,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:14,205 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:14,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:14,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:14,406 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:14,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:14,406 INFO L85 PathProgramCache]: Analyzing trace with hash -430647277, now seen corresponding path program 1 times [2024-10-11 20:43:14,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:14,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886384581] [2024-10-11 20:43:14,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:14,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:14,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1927291468] [2024-10-11 20:43:14,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:14,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:14,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:14,425 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 20:43:14,426 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 20:43:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:14,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:43:14,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:43:14,505 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:14,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:14,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886384581] [2024-10-11 20:43:14,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:14,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927291468] [2024-10-11 20:43:14,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927291468] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:14,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:14,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:43:14,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017751823] [2024-10-11 20:43:14,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:14,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:14,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:14,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:14,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:14,506 INFO L87 Difference]: Start difference. First operand 301 states and 398 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:14,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:14,917 INFO L93 Difference]: Finished difference Result 320 states and 409 transitions. [2024-10-11 20:43:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:14,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-10-11 20:43:14,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:14,919 INFO L225 Difference]: With dead ends: 320 [2024-10-11 20:43:14,920 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 20:43:14,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:14,920 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 91 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:14,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 260 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:43:14,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 20:43:14,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-11 20:43:14,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 275 states have internal predecessors, (348), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:14,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 394 transitions. [2024-10-11 20:43:14,930 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 394 transitions. Word has length 76 [2024-10-11 20:43:14,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:14,930 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 394 transitions. [2024-10-11 20:43:14,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 394 transitions. [2024-10-11 20:43:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 20:43:14,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:14,931 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:14,943 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 20:43:15,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:15,132 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:15,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:15,132 INFO L85 PathProgramCache]: Analyzing trace with hash -465163581, now seen corresponding path program 1 times [2024-10-11 20:43:15,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:15,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388264966] [2024-10-11 20:43:15,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:15,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:15,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [809531564] [2024-10-11 20:43:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:15,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:15,143 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 20:43:15,146 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 20:43:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:15,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:43:15,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:43:15,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:15,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:15,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388264966] [2024-10-11 20:43:15,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:15,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809531564] [2024-10-11 20:43:15,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809531564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:15,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:15,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:43:15,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326607198] [2024-10-11 20:43:15,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:15,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:15,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:15,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:15,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:15,255 INFO L87 Difference]: Start difference. First operand 301 states and 394 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:15,721 INFO L93 Difference]: Finished difference Result 320 states and 405 transitions. [2024-10-11 20:43:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:15,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-10-11 20:43:15,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:15,724 INFO L225 Difference]: With dead ends: 320 [2024-10-11 20:43:15,724 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 20:43:15,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:15,724 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 90 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:15,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 263 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:43:15,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 20:43:15,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-11 20:43:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5925925925925926) internal successors, (344), 275 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 390 transitions. [2024-10-11 20:43:15,736 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 390 transitions. Word has length 77 [2024-10-11 20:43:15,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:15,736 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 390 transitions. [2024-10-11 20:43:15,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 390 transitions. [2024-10-11 20:43:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 20:43:15,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:15,737 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:15,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:15,937 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,SelfDestructingSolverStorable21 [2024-10-11 20:43:15,938 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:15,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:15,938 INFO L85 PathProgramCache]: Analyzing trace with hash -694586855, now seen corresponding path program 1 times [2024-10-11 20:43:15,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:15,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591019124] [2024-10-11 20:43:15,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:15,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:15,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288323235] [2024-10-11 20:43:15,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:15,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:15,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:15,963 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 20:43:15,965 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 20:43:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:16,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:43:16,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:16,149 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-11 20:43:16,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-11 20:43:16,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:16,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591019124] [2024-10-11 20:43:16,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:16,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288323235] [2024-10-11 20:43:16,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288323235] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:16,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:43:16,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-11 20:43:16,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031358910] [2024-10-11 20:43:16,345 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:16,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:43:16,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:16,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:43:16,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:43:16,346 INFO L87 Difference]: Start difference. First operand 301 states and 390 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 20:43:17,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:17,032 INFO L93 Difference]: Finished difference Result 319 states and 391 transitions. [2024-10-11 20:43:17,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:43:17,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 82 [2024-10-11 20:43:17,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:17,034 INFO L225 Difference]: With dead ends: 319 [2024-10-11 20:43:17,034 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 20:43:17,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:17,034 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 156 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:17,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 562 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:43:17,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 20:43:17,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 301. [2024-10-11 20:43:17,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5787037037037037) internal successors, (341), 275 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 387 transitions. [2024-10-11 20:43:17,046 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 387 transitions. Word has length 82 [2024-10-11 20:43:17,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:17,046 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 387 transitions. [2024-10-11 20:43:17,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 20:43:17,047 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 387 transitions. [2024-10-11 20:43:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-11 20:43:17,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:17,047 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:17,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:17,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:17,248 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:17,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:17,249 INFO L85 PathProgramCache]: Analyzing trace with hash -57355895, now seen corresponding path program 1 times [2024-10-11 20:43:17,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:17,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46395884] [2024-10-11 20:43:17,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:17,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:17,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835727215] [2024-10-11 20:43:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:17,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:17,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:17,260 INFO L229 MonitoredProcess]: Starting monitored process 24 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 20:43:17,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:43:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:17,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:43:17,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:17,601 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 20:43:17,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:18,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:18,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46395884] [2024-10-11 20:43:18,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:18,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835727215] [2024-10-11 20:43:18,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835727215] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:18,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:18,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:43:18,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228533926] [2024-10-11 20:43:18,332 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:18,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:43:18,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:18,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:43:18,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:18,333 INFO L87 Difference]: Start difference. First operand 301 states and 387 transitions. Second operand has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:43:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:18,659 INFO L93 Difference]: Finished difference Result 305 states and 388 transitions. [2024-10-11 20:43:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:43:18,659 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 83 [2024-10-11 20:43:18,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:18,660 INFO L225 Difference]: With dead ends: 305 [2024-10-11 20:43:18,660 INFO L226 Difference]: Without dead ends: 304 [2024-10-11 20:43:18,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:18,661 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 141 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:18,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 318 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:18,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-11 20:43:18,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-10-11 20:43:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5694444444444444) internal successors, (339), 275 states have internal predecessors, (339), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 385 transitions. [2024-10-11 20:43:18,684 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 385 transitions. Word has length 83 [2024-10-11 20:43:18,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:18,685 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 385 transitions. [2024-10-11 20:43:18,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:43:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 385 transitions. [2024-10-11 20:43:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-11 20:43:18,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:18,685 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:18,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:18,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:18,890 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:18,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:18,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1778032613, now seen corresponding path program 1 times [2024-10-11 20:43:18,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:18,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802218982] [2024-10-11 20:43:18,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:18,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:18,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460538160] [2024-10-11 20:43:18,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:18,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:18,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:18,904 INFO L229 MonitoredProcess]: Starting monitored process 25 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 20:43:18,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:43:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:18,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:43:18,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-11 20:43:19,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:19,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:19,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802218982] [2024-10-11 20:43:19,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:19,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460538160] [2024-10-11 20:43:19,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460538160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:19,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:19,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:43:19,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331626265] [2024-10-11 20:43:19,759 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:19,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:19,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:19,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:19,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:19,760 INFO L87 Difference]: Start difference. First operand 301 states and 385 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:20,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:20,557 INFO L93 Difference]: Finished difference Result 319 states and 396 transitions. [2024-10-11 20:43:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:43:20,557 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2024-10-11 20:43:20,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:20,559 INFO L225 Difference]: With dead ends: 319 [2024-10-11 20:43:20,559 INFO L226 Difference]: Without dead ends: 316 [2024-10-11 20:43:20,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:20,560 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 167 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:20,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 328 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:43:20,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-11 20:43:20,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 301. [2024-10-11 20:43:20,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5416666666666667) internal successors, (333), 275 states have internal predecessors, (333), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 379 transitions. [2024-10-11 20:43:20,570 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 379 transitions. Word has length 84 [2024-10-11 20:43:20,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:20,570 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 379 transitions. [2024-10-11 20:43:20,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 20:43:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 379 transitions. [2024-10-11 20:43:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 20:43:20,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:20,575 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:20,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:20,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:43:20,776 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:20,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:20,777 INFO L85 PathProgramCache]: Analyzing trace with hash 715563979, now seen corresponding path program 1 times [2024-10-11 20:43:20,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:20,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547527392] [2024-10-11 20:43:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:20,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:20,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1008279263] [2024-10-11 20:43:20,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:20,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:20,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:20,792 INFO L229 MonitoredProcess]: Starting monitored process 26 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 20:43:20,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:43:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:20,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:43:20,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:21,259 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-11 20:43:21,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:21,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:21,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547527392] [2024-10-11 20:43:21,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:21,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008279263] [2024-10-11 20:43:21,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008279263] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:21,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:21,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:43:21,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932890474] [2024-10-11 20:43:21,416 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:21,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:21,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:21,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:21,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:43:21,418 INFO L87 Difference]: Start difference. First operand 301 states and 379 transitions. Second operand has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:43:22,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:22,108 INFO L93 Difference]: Finished difference Result 309 states and 382 transitions. [2024-10-11 20:43:22,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:22,108 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2024-10-11 20:43:22,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:22,109 INFO L225 Difference]: With dead ends: 309 [2024-10-11 20:43:22,109 INFO L226 Difference]: Without dead ends: 306 [2024-10-11 20:43:22,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:22,110 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 230 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:22,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 252 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:43:22,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-11 20:43:22,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 301. [2024-10-11 20:43:22,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.5138888888888888) internal successors, (327), 275 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 373 transitions. [2024-10-11 20:43:22,151 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 373 transitions. Word has length 85 [2024-10-11 20:43:22,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:22,152 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 373 transitions. [2024-10-11 20:43:22,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:43:22,152 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 373 transitions. [2024-10-11 20:43:22,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:43:22,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:22,152 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:22,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-11 20:43:22,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 20:43:22,353 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:22,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:22,353 INFO L85 PathProgramCache]: Analyzing trace with hash 772495050, now seen corresponding path program 1 times [2024-10-11 20:43:22,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:22,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282668292] [2024-10-11 20:43:22,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:22,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:43:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:43:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:43:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:43:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:22,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:22,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282668292] [2024-10-11 20:43:22,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282668292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:22,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:22,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:43:22,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365231339] [2024-10-11 20:43:22,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:22,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:43:22,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:22,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:43:22,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:43:22,404 INFO L87 Difference]: Start difference. First operand 301 states and 373 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-11 20:43:22,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:22,494 INFO L93 Difference]: Finished difference Result 301 states and 373 transitions. [2024-10-11 20:43:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:43:22,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2024-10-11 20:43:22,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:22,496 INFO L225 Difference]: With dead ends: 301 [2024-10-11 20:43:22,496 INFO L226 Difference]: Without dead ends: 300 [2024-10-11 20:43:22,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 20:43:22,497 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:22,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:43:22,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-10-11 20:43:22,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2024-10-11 20:43:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4953703703703705) internal successors, (323), 274 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 369 transitions. [2024-10-11 20:43:22,506 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 369 transitions. Word has length 98 [2024-10-11 20:43:22,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:22,506 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 369 transitions. [2024-10-11 20:43:22,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-11 20:43:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 369 transitions. [2024-10-11 20:43:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 20:43:22,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:22,507 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:22,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 20:43:22,507 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:22,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:22,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1822457070, now seen corresponding path program 1 times [2024-10-11 20:43:22,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:22,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620756856] [2024-10-11 20:43:22,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:22,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:43:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:43:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:43:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:43:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:22,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:22,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620756856] [2024-10-11 20:43:22,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620756856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:22,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:22,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:43:22,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104308288] [2024-10-11 20:43:22,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:22,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:43:22,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:22,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:43:22,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:43:22,619 INFO L87 Difference]: Start difference. First operand 300 states and 369 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:43:23,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:23,456 INFO L93 Difference]: Finished difference Result 304 states and 370 transitions. [2024-10-11 20:43:23,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:43:23,456 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 99 [2024-10-11 20:43:23,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:23,457 INFO L225 Difference]: With dead ends: 304 [2024-10-11 20:43:23,457 INFO L226 Difference]: Without dead ends: 303 [2024-10-11 20:43:23,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:23,458 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 423 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:23,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 225 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:43:23,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-11 20:43:23,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-10-11 20:43:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4907407407407407) internal successors, (322), 274 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 368 transitions. [2024-10-11 20:43:23,486 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 368 transitions. Word has length 99 [2024-10-11 20:43:23,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:23,486 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 368 transitions. [2024-10-11 20:43:23,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:43:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 368 transitions. [2024-10-11 20:43:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-11 20:43:23,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:23,487 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:23,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 20:43:23,487 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:23,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:23,488 INFO L85 PathProgramCache]: Analyzing trace with hash 963878354, now seen corresponding path program 1 times [2024-10-11 20:43:23,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:23,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395235018] [2024-10-11 20:43:23,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:43:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:43:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:43:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:43:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:23,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:23,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395235018] [2024-10-11 20:43:23,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395235018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:23,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:23,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:43:23,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626518806] [2024-10-11 20:43:23,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:23,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:43:23,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:23,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:43:23,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:23,618 INFO L87 Difference]: Start difference. First operand 300 states and 368 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:43:23,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:23,726 INFO L93 Difference]: Finished difference Result 315 states and 379 transitions. [2024-10-11 20:43:23,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:43:23,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2024-10-11 20:43:23,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:23,728 INFO L225 Difference]: With dead ends: 315 [2024-10-11 20:43:23,728 INFO L226 Difference]: Without dead ends: 314 [2024-10-11 20:43:23,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:23,729 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 14 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:23,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 432 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:43:23,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-11 20:43:23,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2024-10-11 20:43:23,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 221 states have (on average 1.4796380090497738) internal successors, (327), 279 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 373 transitions. [2024-10-11 20:43:23,741 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 373 transitions. Word has length 101 [2024-10-11 20:43:23,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:23,741 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 373 transitions. [2024-10-11 20:43:23,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:43:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 373 transitions. [2024-10-11 20:43:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 20:43:23,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:23,742 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:23,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 20:43:23,743 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:23,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:23,743 INFO L85 PathProgramCache]: Analyzing trace with hash -184541926, now seen corresponding path program 1 times [2024-10-11 20:43:23,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:23,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78225368] [2024-10-11 20:43:23,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:23,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [746260532] [2024-10-11 20:43:23,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:23,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:23,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:23,755 INFO L229 MonitoredProcess]: Starting monitored process 27 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 20:43:23,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:43:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:23,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:43:23,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:23,914 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:23,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:23,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:23,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78225368] [2024-10-11 20:43:23,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:23,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746260532] [2024-10-11 20:43:23,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746260532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:23,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:23,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:43:23,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69722926] [2024-10-11 20:43:23,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:23,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:43:23,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:23,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:43:23,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:43:23,916 INFO L87 Difference]: Start difference. First operand 305 states and 373 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:43:24,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:24,226 INFO L93 Difference]: Finished difference Result 315 states and 377 transitions. [2024-10-11 20:43:24,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:43:24,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-10-11 20:43:24,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:24,228 INFO L225 Difference]: With dead ends: 315 [2024-10-11 20:43:24,228 INFO L226 Difference]: Without dead ends: 314 [2024-10-11 20:43:24,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 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 20:43:24,228 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 15 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:24,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 309 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:24,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-11 20:43:24,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 307. [2024-10-11 20:43:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4753363228699552) internal successors, (329), 281 states have internal predecessors, (329), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2024-10-11 20:43:24,258 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 102 [2024-10-11 20:43:24,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:24,259 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2024-10-11 20:43:24,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:43:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2024-10-11 20:43:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 20:43:24,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:24,260 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:24,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:24,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:24,461 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:24,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:24,461 INFO L85 PathProgramCache]: Analyzing trace with hash 53337654, now seen corresponding path program 1 times [2024-10-11 20:43:24,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:24,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442389680] [2024-10-11 20:43:24,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:24,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:24,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559322372] [2024-10-11 20:43:24,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:24,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:24,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:24,472 INFO L229 MonitoredProcess]: Starting monitored process 28 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 20:43:24,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:43:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:24,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 20:43:24,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:43:24,645 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:24,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:24,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442389680] [2024-10-11 20:43:24,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:24,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559322372] [2024-10-11 20:43:24,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559322372] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:24,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:24,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:43:24,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305242925] [2024-10-11 20:43:24,691 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:24,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:24,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:24,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:24,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:24,692 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:43:24,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:24,965 INFO L93 Difference]: Finished difference Result 310 states and 375 transitions. [2024-10-11 20:43:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:43:24,966 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 103 [2024-10-11 20:43:24,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:24,967 INFO L225 Difference]: With dead ends: 310 [2024-10-11 20:43:24,967 INFO L226 Difference]: Without dead ends: 308 [2024-10-11 20:43:24,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:43:24,968 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 199 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:24,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 411 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:43:24,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-11 20:43:24,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 307. [2024-10-11 20:43:24,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 223 states have (on average 1.4663677130044843) internal successors, (327), 281 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:43:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 373 transitions. [2024-10-11 20:43:24,977 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 373 transitions. Word has length 103 [2024-10-11 20:43:24,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:24,978 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 373 transitions. [2024-10-11 20:43:24,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:43:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 373 transitions. [2024-10-11 20:43:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 20:43:24,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:24,978 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:24,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-11 20:43:25,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:25,180 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:25,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:25,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1653467349, now seen corresponding path program 1 times [2024-10-11 20:43:25,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:25,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774188477] [2024-10-11 20:43:25,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:25,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:25,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [43684066] [2024-10-11 20:43:25,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:25,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:25,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:25,194 INFO L229 MonitoredProcess]: Starting monitored process 29 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 20:43:25,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:43:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:25,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:43:25,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:43:25,466 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:25,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:25,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774188477] [2024-10-11 20:43:25,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:25,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43684066] [2024-10-11 20:43:25,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43684066] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:25,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:25,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:43:25,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94248327] [2024-10-11 20:43:25,764 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:25,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:43:25,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:25,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:43:25,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:43:25,765 INFO L87 Difference]: Start difference. First operand 307 states and 373 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:43:26,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:26,142 INFO L93 Difference]: Finished difference Result 357 states and 430 transitions. [2024-10-11 20:43:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:26,142 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-10-11 20:43:26,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:26,143 INFO L225 Difference]: With dead ends: 357 [2024-10-11 20:43:26,143 INFO L226 Difference]: Without dead ends: 355 [2024-10-11 20:43:26,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:43:26,144 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 326 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:26,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 369 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:26,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-11 20:43:26,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-10-11 20:43:26,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 265 states have (on average 1.4075471698113207) internal successors, (373), 323 states have internal predecessors, (373), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:43:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 427 transitions. [2024-10-11 20:43:26,156 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 427 transitions. Word has length 104 [2024-10-11 20:43:26,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:26,156 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 427 transitions. [2024-10-11 20:43:26,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:43:26,157 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 427 transitions. [2024-10-11 20:43:26,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 20:43:26,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:26,157 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:26,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:26,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:26,359 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:26,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:26,359 INFO L85 PathProgramCache]: Analyzing trace with hash -130205738, now seen corresponding path program 1 times [2024-10-11 20:43:26,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:26,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285960275] [2024-10-11 20:43:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:43:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:43:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:43:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:43:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:26,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:26,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285960275] [2024-10-11 20:43:26,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285960275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:26,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:26,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:43:26,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258876839] [2024-10-11 20:43:26,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:26,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:43:26,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:26,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:43:26,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:26,467 INFO L87 Difference]: Start difference. First operand 353 states and 427 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:43:27,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:27,243 INFO L93 Difference]: Finished difference Result 367 states and 437 transitions. [2024-10-11 20:43:27,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:43:27,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2024-10-11 20:43:27,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:27,245 INFO L225 Difference]: With dead ends: 367 [2024-10-11 20:43:27,245 INFO L226 Difference]: Without dead ends: 366 [2024-10-11 20:43:27,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:27,246 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 13 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:27,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 517 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:43:27,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-10-11 20:43:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 358. [2024-10-11 20:43:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4074074074074074) internal successors, (380), 328 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:43:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 434 transitions. [2024-10-11 20:43:27,258 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 434 transitions. Word has length 105 [2024-10-11 20:43:27,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:27,259 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 434 transitions. [2024-10-11 20:43:27,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 20:43:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 434 transitions. [2024-10-11 20:43:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 20:43:27,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:27,259 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:27,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-11 20:43:27,260 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:27,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:27,260 INFO L85 PathProgramCache]: Analyzing trace with hash -282119656, now seen corresponding path program 1 times [2024-10-11 20:43:27,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:27,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082583405] [2024-10-11 20:43:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:27,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:43:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:43:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:43:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:43:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:27,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:27,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082583405] [2024-10-11 20:43:27,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082583405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:27,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:27,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:43:27,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952185264] [2024-10-11 20:43:27,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:27,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:43:27,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:27,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:43:27,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:27,379 INFO L87 Difference]: Start difference. First operand 358 states and 434 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-11 20:43:28,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:28,034 INFO L93 Difference]: Finished difference Result 390 states and 434 transitions. [2024-10-11 20:43:28,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:43:28,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 105 [2024-10-11 20:43:28,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:28,036 INFO L225 Difference]: With dead ends: 390 [2024-10-11 20:43:28,036 INFO L226 Difference]: Without dead ends: 389 [2024-10-11 20:43:28,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:43:28,036 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 134 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:28,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 552 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:43:28,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-11 20:43:28,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 358. [2024-10-11 20:43:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.3962962962962964) internal successors, (377), 328 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:43:28,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 431 transitions. [2024-10-11 20:43:28,049 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 431 transitions. Word has length 105 [2024-10-11 20:43:28,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:28,050 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 431 transitions. [2024-10-11 20:43:28,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-11 20:43:28,050 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 431 transitions. [2024-10-11 20:43:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 20:43:28,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:28,051 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:28,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-11 20:43:28,051 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:28,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:28,051 INFO L85 PathProgramCache]: Analyzing trace with hash 258589598, now seen corresponding path program 1 times [2024-10-11 20:43:28,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:28,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407164894] [2024-10-11 20:43:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:28,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:28,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411521232] [2024-10-11 20:43:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:28,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:28,069 INFO L229 MonitoredProcess]: Starting monitored process 30 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 20:43:28,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:43:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:28,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:43:28,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:28,252 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:28,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:28,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407164894] [2024-10-11 20:43:28,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:28,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411521232] [2024-10-11 20:43:28,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411521232] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:28,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:43:28,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:43:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227785209] [2024-10-11 20:43:28,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:28,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:43:28,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:28,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:43:28,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:28,254 INFO L87 Difference]: Start difference. First operand 358 states and 431 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:43:28,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:28,419 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2024-10-11 20:43:28,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:43:28,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 106 [2024-10-11 20:43:28,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:28,421 INFO L225 Difference]: With dead ends: 365 [2024-10-11 20:43:28,421 INFO L226 Difference]: Without dead ends: 364 [2024-10-11 20:43:28,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:43:28,421 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 60 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:28,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 434 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:43:28,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-11 20:43:28,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-10-11 20:43:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3933823529411764) internal successors, (379), 330 states have internal predecessors, (379), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:43:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 433 transitions. [2024-10-11 20:43:28,453 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 433 transitions. Word has length 106 [2024-10-11 20:43:28,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:28,453 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 433 transitions. [2024-10-11 20:43:28,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:43:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 433 transitions. [2024-10-11 20:43:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 20:43:28,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:28,454 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:28,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:28,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:28,654 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:28,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:28,655 INFO L85 PathProgramCache]: Analyzing trace with hash -155774665, now seen corresponding path program 1 times [2024-10-11 20:43:28,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:28,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365703480] [2024-10-11 20:43:28,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:28,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:28,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [772928664] [2024-10-11 20:43:28,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:28,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:28,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:28,677 INFO L229 MonitoredProcess]: Starting monitored process 31 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 20:43:28,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:43:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:28,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:43:28,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:43:28,976 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-11 20:43:29,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:29,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365703480] [2024-10-11 20:43:29,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:29,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772928664] [2024-10-11 20:43:29,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772928664] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:29,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:43:29,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-10-11 20:43:29,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895404207] [2024-10-11 20:43:29,164 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:29,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:43:29,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:29,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:43:29,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:43:29,165 INFO L87 Difference]: Start difference. First operand 360 states and 433 transitions. Second operand has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:43:30,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:30,188 INFO L93 Difference]: Finished difference Result 365 states and 434 transitions. [2024-10-11 20:43:30,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:43:30,188 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 106 [2024-10-11 20:43:30,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:30,189 INFO L225 Difference]: With dead ends: 365 [2024-10-11 20:43:30,189 INFO L226 Difference]: Without dead ends: 364 [2024-10-11 20:43:30,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:43:30,190 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 500 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:30,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 484 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:43:30,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-11 20:43:30,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-10-11 20:43:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.3823529411764706) internal successors, (376), 330 states have internal predecessors, (376), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 20:43:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 430 transitions. [2024-10-11 20:43:30,205 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 430 transitions. Word has length 106 [2024-10-11 20:43:30,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:30,205 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 430 transitions. [2024-10-11 20:43:30,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-11 20:43:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 430 transitions. [2024-10-11 20:43:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 20:43:30,206 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:30,206 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:30,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-11 20:43:30,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:30,407 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:30,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:30,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1528558184, now seen corresponding path program 1 times [2024-10-11 20:43:30,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:30,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588347173] [2024-10-11 20:43:30,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:30,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:43:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:43:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:43:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:43:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:43:30,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:30,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588347173] [2024-10-11 20:43:30,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588347173] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:30,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490289291] [2024-10-11 20:43:30,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:30,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:30,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:30,547 INFO L229 MonitoredProcess]: Starting monitored process 32 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 20:43:30,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:43:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:30,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:43:30,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:43:30,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:43:30,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490289291] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:30,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:43:30,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-10-11 20:43:30,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136607947] [2024-10-11 20:43:30,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:30,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:43:30,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:30,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:43:30,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:43:30,771 INFO L87 Difference]: Start difference. First operand 360 states and 430 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:43:31,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:31,424 INFO L93 Difference]: Finished difference Result 753 states and 866 transitions. [2024-10-11 20:43:31,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:43:31,425 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 109 [2024-10-11 20:43:31,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:31,427 INFO L225 Difference]: With dead ends: 753 [2024-10-11 20:43:31,427 INFO L226 Difference]: Without dead ends: 724 [2024-10-11 20:43:31,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 232 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:43:31,428 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 725 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:31,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 703 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:43:31,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-10-11 20:43:31,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 516. [2024-10-11 20:43:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 416 states have (on average 1.5408653846153846) internal successors, (641), 474 states have internal predecessors, (641), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-11 20:43:31,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 719 transitions. [2024-10-11 20:43:31,445 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 719 transitions. Word has length 109 [2024-10-11 20:43:31,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:31,446 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 719 transitions. [2024-10-11 20:43:31,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:43:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 719 transitions. [2024-10-11 20:43:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 20:43:31,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:31,447 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:31,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:31,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:43:31,648 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:31,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:31,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2035063929, now seen corresponding path program 1 times [2024-10-11 20:43:31,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:31,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158063498] [2024-10-11 20:43:31,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:31,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:43:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:43:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:43:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:43:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:43:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:43:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:43:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:43:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 20:43:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:43:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-11 20:43:31,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:31,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158063498] [2024-10-11 20:43:31,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158063498] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:31,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172314241] [2024-10-11 20:43:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:31,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:31,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:31,866 INFO L229 MonitoredProcess]: Starting monitored process 33 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 20:43:31,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:43:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:31,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:43:31,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:32,035 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:32,035 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:43:32,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172314241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:43:32,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:32,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-10-11 20:43:32,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870744479] [2024-10-11 20:43:32,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:43:32,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:32,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:32,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:32,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:43:32,037 INFO L87 Difference]: Start difference. First operand 516 states and 719 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:43:33,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:33,605 INFO L93 Difference]: Finished difference Result 978 states and 1302 transitions. [2024-10-11 20:43:33,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:43:33,606 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-10-11 20:43:33,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:33,608 INFO L225 Difference]: With dead ends: 978 [2024-10-11 20:43:33,608 INFO L226 Difference]: Without dead ends: 977 [2024-10-11 20:43:33,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:43:33,609 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 864 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:33,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 682 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 20:43:33,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-10-11 20:43:33,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 716. [2024-10-11 20:43:33,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 600 states have (on average 1.63) internal successors, (978), 658 states have internal predecessors, (978), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:43:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1088 transitions. [2024-10-11 20:43:33,634 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1088 transitions. Word has length 112 [2024-10-11 20:43:33,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:33,634 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 1088 transitions. [2024-10-11 20:43:33,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:43:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1088 transitions. [2024-10-11 20:43:33,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 20:43:33,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:33,635 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:33,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:33,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-11 20:43:33,835 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:33,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:33,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1337527720, now seen corresponding path program 1 times [2024-10-11 20:43:33,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:33,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87603739] [2024-10-11 20:43:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:33,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:33,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490042654] [2024-10-11 20:43:33,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:33,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:33,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:33,856 INFO L229 MonitoredProcess]: Starting monitored process 34 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 20:43:33,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:43:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:33,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:43:33,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:33,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:43:34,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:34,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87603739] [2024-10-11 20:43:34,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:34,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490042654] [2024-10-11 20:43:34,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490042654] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:43:34,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:43:34,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-11 20:43:34,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066714911] [2024-10-11 20:43:34,106 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:34,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:43:34,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:34,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:43:34,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:34,107 INFO L87 Difference]: Start difference. First operand 716 states and 1088 transitions. Second operand has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-10-11 20:43:35,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:35,058 INFO L93 Difference]: Finished difference Result 1127 states and 1680 transitions. [2024-10-11 20:43:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:43:35,059 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 113 [2024-10-11 20:43:35,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:35,061 INFO L225 Difference]: With dead ends: 1127 [2024-10-11 20:43:35,061 INFO L226 Difference]: Without dead ends: 1126 [2024-10-11 20:43:35,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:43:35,063 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 983 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:35,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 557 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:43:35,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2024-10-11 20:43:35,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 875. [2024-10-11 20:43:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 747 states have (on average 1.6546184738955823) internal successors, (1236), 805 states have internal predecessors, (1236), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-11 20:43:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1370 transitions. [2024-10-11 20:43:35,091 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1370 transitions. Word has length 113 [2024-10-11 20:43:35,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:35,092 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1370 transitions. [2024-10-11 20:43:35,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-10-11 20:43:35,092 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1370 transitions. [2024-10-11 20:43:35,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 20:43:35,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:35,092 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:35,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-11 20:43:35,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:35,293 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:35,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:35,294 INFO L85 PathProgramCache]: Analyzing trace with hash -109099795, now seen corresponding path program 1 times [2024-10-11 20:43:35,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:35,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187856511] [2024-10-11 20:43:35,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:35,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:35,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [699684340] [2024-10-11 20:43:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:35,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:35,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:35,306 INFO L229 MonitoredProcess]: Starting monitored process 35 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 20:43:35,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:43:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:35,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 20:43:35,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:35,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:35,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:35,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187856511] [2024-10-11 20:43:35,959 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:35,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699684340] [2024-10-11 20:43:35,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699684340] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:35,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:35,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:43:35,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3955546] [2024-10-11 20:43:35,960 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:35,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:43:35,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:35,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:43:35,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:43:35,960 INFO L87 Difference]: Start difference. First operand 875 states and 1370 transitions. Second operand has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:37,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:37,029 INFO L93 Difference]: Finished difference Result 962 states and 1478 transitions. [2024-10-11 20:43:37,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:43:37,030 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 119 [2024-10-11 20:43:37,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:37,032 INFO L225 Difference]: With dead ends: 962 [2024-10-11 20:43:37,032 INFO L226 Difference]: Without dead ends: 959 [2024-10-11 20:43:37,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:43:37,033 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 689 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:37,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 360 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:43:37,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-10-11 20:43:37,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2024-10-11 20:43:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.6582597730138713) internal successors, (1315), 851 states have internal predecessors, (1315), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-11 20:43:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1457 transitions. [2024-10-11 20:43:37,062 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1457 transitions. Word has length 119 [2024-10-11 20:43:37,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:37,062 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1457 transitions. [2024-10-11 20:43:37,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1457 transitions. [2024-10-11 20:43:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 20:43:37,063 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:37,063 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:37,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:37,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-11 20:43:37,268 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:37,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash 912873735, now seen corresponding path program 1 times [2024-10-11 20:43:37,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:37,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568871924] [2024-10-11 20:43:37,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:37,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:37,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749563018] [2024-10-11 20:43:37,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:37,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:37,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:37,281 INFO L229 MonitoredProcess]: Starting monitored process 36 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 20:43:37,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 20:43:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:37,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 20:43:37,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:37,795 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:38,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:38,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568871924] [2024-10-11 20:43:38,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:38,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749563018] [2024-10-11 20:43:38,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749563018] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:38,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:38,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:43:38,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131766896] [2024-10-11 20:43:38,589 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:38,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:43:38,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:38,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:43:38,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:43:38,590 INFO L87 Difference]: Start difference. First operand 925 states and 1457 transitions. Second operand has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:39,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:39,549 INFO L93 Difference]: Finished difference Result 960 states and 1473 transitions. [2024-10-11 20:43:39,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:43:39,550 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 120 [2024-10-11 20:43:39,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:39,553 INFO L225 Difference]: With dead ends: 960 [2024-10-11 20:43:39,553 INFO L226 Difference]: Without dead ends: 959 [2024-10-11 20:43:39,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:43:39,553 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 634 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:39,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 405 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:43:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-10-11 20:43:39,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 925. [2024-10-11 20:43:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.6557377049180328) internal successors, (1313), 851 states have internal predecessors, (1313), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-11 20:43:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1455 transitions. [2024-10-11 20:43:39,583 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1455 transitions. Word has length 120 [2024-10-11 20:43:39,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:39,583 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1455 transitions. [2024-10-11 20:43:39,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-10-11 20:43:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1455 transitions. [2024-10-11 20:43:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 20:43:39,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:39,584 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:39,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:39,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:39,789 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:39,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:39,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1765685201, now seen corresponding path program 1 times [2024-10-11 20:43:39,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:39,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839323758] [2024-10-11 20:43:39,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:39,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:39,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625303310] [2024-10-11 20:43:39,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:39,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:39,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:39,809 INFO L229 MonitoredProcess]: Starting monitored process 37 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 20:43:39,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 20:43:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:39,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:43:39,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:40,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:40,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:40,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839323758] [2024-10-11 20:43:40,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:40,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625303310] [2024-10-11 20:43:40,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625303310] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:40,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:40,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:43:40,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242444258] [2024-10-11 20:43:40,265 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:40,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:40,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:40,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:40,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:40,266 INFO L87 Difference]: Start difference. First operand 925 states and 1455 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:40,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:40,657 INFO L93 Difference]: Finished difference Result 1069 states and 1661 transitions. [2024-10-11 20:43:40,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:43:40,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 121 [2024-10-11 20:43:40,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:40,660 INFO L225 Difference]: With dead ends: 1069 [2024-10-11 20:43:40,660 INFO L226 Difference]: Without dead ends: 1067 [2024-10-11 20:43:40,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:43:40,661 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 330 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:40,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 449 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:43:40,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-10-11 20:43:40,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1028. [2024-10-11 20:43:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 887 states have (on average 1.6719278466741827) internal successors, (1483), 945 states have internal predecessors, (1483), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:40,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1643 transitions. [2024-10-11 20:43:40,703 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1643 transitions. Word has length 121 [2024-10-11 20:43:40,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:40,704 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1643 transitions. [2024-10-11 20:43:40,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1643 transitions. [2024-10-11 20:43:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:43:40,704 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:40,704 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:40,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:40,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:40,905 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:40,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:40,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1098333705, now seen corresponding path program 1 times [2024-10-11 20:43:40,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:40,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610433684] [2024-10-11 20:43:40,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:40,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:40,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549908876] [2024-10-11 20:43:40,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:40,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:40,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:40,918 INFO L229 MonitoredProcess]: Starting monitored process 38 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 20:43:40,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-11 20:43:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:40,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:43:40,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:41,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:41,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:41,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610433684] [2024-10-11 20:43:41,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:41,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549908876] [2024-10-11 20:43:41,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549908876] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:41,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:41,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 20:43:41,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920526954] [2024-10-11 20:43:41,448 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:41,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:43:41,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:41,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:43:41,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:43:41,449 INFO L87 Difference]: Start difference. First operand 1028 states and 1643 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:41,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:41,852 INFO L93 Difference]: Finished difference Result 1069 states and 1656 transitions. [2024-10-11 20:43:41,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:43:41,853 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 122 [2024-10-11 20:43:41,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:41,855 INFO L225 Difference]: With dead ends: 1069 [2024-10-11 20:43:41,855 INFO L226 Difference]: Without dead ends: 1067 [2024-10-11 20:43:41,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:43:41,856 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 255 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:41,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 576 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:43:41,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-10-11 20:43:41,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1029. [2024-10-11 20:43:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6666666666666667) internal successors, (1480), 946 states have internal predecessors, (1480), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1640 transitions. [2024-10-11 20:43:41,889 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1640 transitions. Word has length 122 [2024-10-11 20:43:41,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:41,890 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1640 transitions. [2024-10-11 20:43:41,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1640 transitions. [2024-10-11 20:43:41,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 20:43:41,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:41,890 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:41,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-11 20:43:42,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-10-11 20:43:42,091 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:42,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:42,091 INFO L85 PathProgramCache]: Analyzing trace with hash -311393423, now seen corresponding path program 1 times [2024-10-11 20:43:42,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:42,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584963356] [2024-10-11 20:43:42,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:42,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:42,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713197345] [2024-10-11 20:43:42,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:42,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:42,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:42,104 INFO L229 MonitoredProcess]: Starting monitored process 39 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 20:43:42,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-11 20:43:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:42,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:43:42,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 20:43:42,583 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:42,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:42,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584963356] [2024-10-11 20:43:42,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:42,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713197345] [2024-10-11 20:43:42,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713197345] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:42,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:42,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:43:42,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206238501] [2024-10-11 20:43:42,774 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:42,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:43:42,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:42,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:43:42,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:43:42,775 INFO L87 Difference]: Start difference. First operand 1029 states and 1640 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:43,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:43,841 INFO L93 Difference]: Finished difference Result 1056 states and 1656 transitions. [2024-10-11 20:43:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:43:43,841 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2024-10-11 20:43:43,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:43,844 INFO L225 Difference]: With dead ends: 1056 [2024-10-11 20:43:43,844 INFO L226 Difference]: Without dead ends: 1055 [2024-10-11 20:43:43,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:43:43,845 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 409 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:43,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 490 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:43:43,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-10-11 20:43:43,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1029. [2024-10-11 20:43:43,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6644144144144144) internal successors, (1478), 946 states have internal predecessors, (1478), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:43,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1638 transitions. [2024-10-11 20:43:43,878 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1638 transitions. Word has length 123 [2024-10-11 20:43:43,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:43,879 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1638 transitions. [2024-10-11 20:43:43,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:43,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1638 transitions. [2024-10-11 20:43:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 20:43:43,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:43,879 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:43,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:44,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:44,084 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:44,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:44,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1063261429, now seen corresponding path program 1 times [2024-10-11 20:43:44,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:44,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790805246] [2024-10-11 20:43:44,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:44,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:44,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097899824] [2024-10-11 20:43:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:44,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:44,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:44,097 INFO L229 MonitoredProcess]: Starting monitored process 40 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 20:43:44,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-11 20:43:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:44,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:43:44,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:44,428 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-11 20:43:44,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:45,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:45,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790805246] [2024-10-11 20:43:45,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:45,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097899824] [2024-10-11 20:43:45,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097899824] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:45,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:45,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:43:45,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300547219] [2024-10-11 20:43:45,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:45,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:43:45,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:45,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:43:45,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2024-10-11 20:43:45,905 INFO L87 Difference]: Start difference. First operand 1029 states and 1638 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:46,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:46,713 INFO L93 Difference]: Finished difference Result 1070 states and 1649 transitions. [2024-10-11 20:43:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:43:46,714 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 124 [2024-10-11 20:43:46,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:46,716 INFO L225 Difference]: With dead ends: 1070 [2024-10-11 20:43:46,717 INFO L226 Difference]: Without dead ends: 1066 [2024-10-11 20:43:46,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=37, Invalid=94, Unknown=1, NotChecked=0, Total=132 [2024-10-11 20:43:46,717 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 235 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:46,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 595 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:43:46,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-10-11 20:43:46,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1032. [2024-10-11 20:43:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6588103254769921) internal successors, (1478), 949 states have internal predecessors, (1478), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1638 transitions. [2024-10-11 20:43:46,764 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1638 transitions. Word has length 124 [2024-10-11 20:43:46,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:46,765 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1638 transitions. [2024-10-11 20:43:46,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-11 20:43:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1638 transitions. [2024-10-11 20:43:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 20:43:46,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:46,766 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:46,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-11 20:43:46,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,40 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:46,967 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:46,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:46,967 INFO L85 PathProgramCache]: Analyzing trace with hash -545325671, now seen corresponding path program 1 times [2024-10-11 20:43:46,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:46,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803939093] [2024-10-11 20:43:46,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:46,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:46,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826083542] [2024-10-11 20:43:46,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:46,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:46,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:46,985 INFO L229 MonitoredProcess]: Starting monitored process 41 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 20:43:46,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-11 20:43:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:47,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 20:43:47,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:43:47,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:43:51,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:43:51,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803939093] [2024-10-11 20:43:51,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:43:51,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826083542] [2024-10-11 20:43:51,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826083542] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:43:51,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:43:51,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:43:51,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418363608] [2024-10-11 20:43:51,735 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:43:51,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:43:51,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:43:51,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:43:51,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=166, Unknown=1, NotChecked=0, Total=210 [2024-10-11 20:43:51,736 INFO L87 Difference]: Start difference. First operand 1032 states and 1638 transitions. Second operand has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:52,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:43:52,524 INFO L93 Difference]: Finished difference Result 1056 states and 1654 transitions. [2024-10-11 20:43:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:43:52,525 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 130 [2024-10-11 20:43:52,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:43:52,528 INFO L225 Difference]: With dead ends: 1056 [2024-10-11 20:43:52,528 INFO L226 Difference]: Without dead ends: 1054 [2024-10-11 20:43:52,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=86, Invalid=293, Unknown=1, NotChecked=0, Total=380 [2024-10-11 20:43:52,529 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 664 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:43:52,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 461 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:43:52,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-10-11 20:43:52,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1032. [2024-10-11 20:43:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.654320987654321) internal successors, (1474), 949 states have internal predecessors, (1474), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:43:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1634 transitions. [2024-10-11 20:43:52,573 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1634 transitions. Word has length 130 [2024-10-11 20:43:52,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:43:52,574 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1634 transitions. [2024-10-11 20:43:52,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:43:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1634 transitions. [2024-10-11 20:43:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 20:43:52,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:43:52,575 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:43:52,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-10-11 20:43:52,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-11 20:43:52,779 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:43:52,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:43:52,779 INFO L85 PathProgramCache]: Analyzing trace with hash 274773480, now seen corresponding path program 1 times [2024-10-11 20:43:52,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:43:52,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141760739] [2024-10-11 20:43:52,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:52,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:43:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:43:52,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234620781] [2024-10-11 20:43:52,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:43:52,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:43:52,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:43:52,791 INFO L229 MonitoredProcess]: Starting monitored process 42 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 20:43:52,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-11 20:43:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:43:52,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:43:52,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:43:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:43:53,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:44:01,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:44:01,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141760739] [2024-10-11 20:44:01,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:44:01,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234620781] [2024-10-11 20:44:01,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234620781] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:44:01,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:44:01,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:44:01,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398554322] [2024-10-11 20:44:01,919 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:44:01,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:44:01,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:44:01,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:44:01,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=95, Unknown=2, NotChecked=0, Total=132 [2024-10-11 20:44:01,920 INFO L87 Difference]: Start difference. First operand 1032 states and 1634 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-11 20:44:02,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:44:02,492 INFO L93 Difference]: Finished difference Result 1081 states and 1666 transitions. [2024-10-11 20:44:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:44:02,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 131 [2024-10-11 20:44:02,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:44:02,495 INFO L225 Difference]: With dead ends: 1081 [2024-10-11 20:44:02,495 INFO L226 Difference]: Without dead ends: 1078 [2024-10-11 20:44:02,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=45, Invalid=109, Unknown=2, NotChecked=0, Total=156 [2024-10-11 20:44:02,496 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 429 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:44:02,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 451 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:44:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2024-10-11 20:44:02,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1032. [2024-10-11 20:44:02,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6442199775533108) internal successors, (1465), 949 states have internal predecessors, (1465), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:44:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1625 transitions. [2024-10-11 20:44:02,540 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1625 transitions. Word has length 131 [2024-10-11 20:44:02,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:44:02,541 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1625 transitions. [2024-10-11 20:44:02,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-11 20:44:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1625 transitions. [2024-10-11 20:44:02,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 20:44:02,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:44:02,542 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:44:02,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-10-11 20:44:02,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-10-11 20:44:02,746 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:44:02,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:44:02,746 INFO L85 PathProgramCache]: Analyzing trace with hash -71956613, now seen corresponding path program 1 times [2024-10-11 20:44:02,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:44:02,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870549964] [2024-10-11 20:44:02,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:02,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:44:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:44:02,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1315028625] [2024-10-11 20:44:02,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:02,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:44:02,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:44:02,767 INFO L229 MonitoredProcess]: Starting monitored process 43 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 20:44:02,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-11 20:44:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:44:02,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 20:44:02,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:44:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:44:03,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:44:07,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:44:07,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870549964] [2024-10-11 20:44:07,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:44:07,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315028625] [2024-10-11 20:44:07,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315028625] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:44:07,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:44:07,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:44:07,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963703012] [2024-10-11 20:44:07,679 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:44:07,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:44:07,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:44:07,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:44:07,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2024-10-11 20:44:07,680 INFO L87 Difference]: Start difference. First operand 1032 states and 1625 transitions. Second operand has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:44:08,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:44:08,917 INFO L93 Difference]: Finished difference Result 1064 states and 1655 transitions. [2024-10-11 20:44:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:44:08,917 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 132 [2024-10-11 20:44:08,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:44:08,921 INFO L225 Difference]: With dead ends: 1064 [2024-10-11 20:44:08,921 INFO L226 Difference]: Without dead ends: 1062 [2024-10-11 20:44:08,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2024-10-11 20:44:08,922 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 621 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:44:08,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 305 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:44:08,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-10-11 20:44:08,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1032. [2024-10-11 20:44:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6397306397306397) internal successors, (1461), 949 states have internal predecessors, (1461), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:44:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1621 transitions. [2024-10-11 20:44:08,959 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1621 transitions. Word has length 132 [2024-10-11 20:44:08,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:44:08,959 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1621 transitions. [2024-10-11 20:44:08,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:44:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1621 transitions. [2024-10-11 20:44:08,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-11 20:44:08,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:44:08,960 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:44:08,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-10-11 20:44:09,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-11 20:44:09,165 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:44:09,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:44:09,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2064312394, now seen corresponding path program 1 times [2024-10-11 20:44:09,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:44:09,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877660637] [2024-10-11 20:44:09,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:09,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:44:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:44:09,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103680605] [2024-10-11 20:44:09,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:09,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:44:09,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:44:09,193 INFO L229 MonitoredProcess]: Starting monitored process 44 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 20:44:09,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-10-11 20:44:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:44:09,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 20:44:09,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:44:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:44:09,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:44:22,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:44:22,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877660637] [2024-10-11 20:44:22,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:44:22,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103680605] [2024-10-11 20:44:22,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103680605] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:44:22,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:44:22,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:44:22,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237616258] [2024-10-11 20:44:22,890 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:44:22,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:44:22,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:44:22,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:44:22,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=279, Unknown=3, NotChecked=0, Total=342 [2024-10-11 20:44:22,891 INFO L87 Difference]: Start difference. First operand 1032 states and 1621 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:44:23,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:44:23,863 INFO L93 Difference]: Finished difference Result 1064 states and 1651 transitions. [2024-10-11 20:44:23,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:44:23,863 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 133 [2024-10-11 20:44:23,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:44:23,868 INFO L225 Difference]: With dead ends: 1064 [2024-10-11 20:44:23,868 INFO L226 Difference]: Without dead ends: 1062 [2024-10-11 20:44:23,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=117, Invalid=530, Unknown=3, NotChecked=0, Total=650 [2024-10-11 20:44:23,869 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 603 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:44:23,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 355 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:44:23,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-10-11 20:44:23,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1032. [2024-10-11 20:44:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.6352413019079686) internal successors, (1457), 949 states have internal predecessors, (1457), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:44:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1617 transitions. [2024-10-11 20:44:23,903 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1617 transitions. Word has length 133 [2024-10-11 20:44:23,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:44:23,904 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1617 transitions. [2024-10-11 20:44:23,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:44:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1617 transitions. [2024-10-11 20:44:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 20:44:23,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:44:23,905 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:44:23,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-10-11 20:44:24,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-11 20:44:24,109 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:44:24,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:44:24,109 INFO L85 PathProgramCache]: Analyzing trace with hash -430825123, now seen corresponding path program 1 times [2024-10-11 20:44:24,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:44:24,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633051591] [2024-10-11 20:44:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:44:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:44:24,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138668104] [2024-10-11 20:44:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:24,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:44:24,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:44:24,121 INFO L229 MonitoredProcess]: Starting monitored process 45 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 20:44:24,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-10-11 20:44:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:44:24,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:44:24,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:44:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-11 20:44:24,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:44:25,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:44:25,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633051591] [2024-10-11 20:44:25,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:44:25,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138668104] [2024-10-11 20:44:25,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138668104] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:44:25,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:44:25,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-11 20:44:25,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539512040] [2024-10-11 20:44:25,154 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:44:25,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:44:25,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:44:25,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:44:25,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:44:25,155 INFO L87 Difference]: Start difference. First operand 1032 states and 1617 transitions. Second operand has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:44:26,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:44:26,782 INFO L93 Difference]: Finished difference Result 1063 states and 1647 transitions. [2024-10-11 20:44:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:44:26,782 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 134 [2024-10-11 20:44:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:44:26,793 INFO L225 Difference]: With dead ends: 1063 [2024-10-11 20:44:26,796 INFO L226 Difference]: Without dead ends: 1062 [2024-10-11 20:44:26,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:44:26,797 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 468 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:44:26,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 350 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1807 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 20:44:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-10-11 20:44:26,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1032. [2024-10-11 20:44:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 891 states have (on average 1.632996632996633) internal successors, (1455), 949 states have internal predecessors, (1455), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 20:44:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1615 transitions. [2024-10-11 20:44:26,845 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1615 transitions. Word has length 134 [2024-10-11 20:44:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:44:26,846 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1615 transitions. [2024-10-11 20:44:26,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-11 20:44:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1615 transitions. [2024-10-11 20:44:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 20:44:26,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:44:26,846 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:44:26,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-10-11 20:44:27,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-11 20:44:27,047 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-10-11 20:44:27,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:44:27,047 INFO L85 PathProgramCache]: Analyzing trace with hash -470676820, now seen corresponding path program 1 times [2024-10-11 20:44:27,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:44:27,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006775942] [2024-10-11 20:44:27,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:27,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:44:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:44:27,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702985459] [2024-10-11 20:44:27,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:44:27,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:44:27,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:44:27,064 INFO L229 MonitoredProcess]: Starting monitored process 46 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 20:44:27,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-10-11 20:44:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:44:27,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:44:27,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:44:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-11 20:44:28,005 INFO L311 TraceCheckSpWp]: Computing backward predicates...