./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/prod4br-ll_valuebound5.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/prod4br-ll_valuebound5.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 a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:01:45,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:01:45,298 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:01:45,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:01:45,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:01:45,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:01:45,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:01:45,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:01:45,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:01:45,331 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:01:45,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:01:45,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:01:45,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:01:45,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:01:45,333 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:01:45,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:01:45,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:01:45,334 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:01:45,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:01:45,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:01:45,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:01:45,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:01:45,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:01:45,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:01:45,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:01:45,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:01:45,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:01:45,341 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:01:45,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:01:45,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:01:45,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:01:45,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:01:45,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:01:45,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:01:45,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:01:45,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:01:45,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:01:45,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:01:45,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:01:45,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:01:45,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:01:45,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:01:45,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:01:45,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:01:45,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 [2024-10-11 21:01:45,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:01:45,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:01:45,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:01:45,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:01:45,607 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:01:45,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2024-10-11 21:01:46,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:01:47,148 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:01:47,149 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2024-10-11 21:01:47,156 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a8a318d79/3672a7531a294cad9ea43af53519534e/FLAGadc6f2ad1 [2024-10-11 21:01:47,169 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a8a318d79/3672a7531a294cad9ea43af53519534e [2024-10-11 21:01:47,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:01:47,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:01:47,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:01:47,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:01:47,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:01:47,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a41198f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47, skipping insertion in model container [2024-10-11 21:01:47,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:01:47,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:01:47,460 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:01:47,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:01:47,503 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:01:47,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47 WrapperNode [2024-10-11 21:01:47,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:01:47,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:01:47,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:01:47,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:01:47,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,554 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2024-10-11 21:01:47,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:01:47,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:01:47,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:01:47,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:01:47,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,584 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 21:01:47,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:01:47,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:01:47,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:01:47,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:01:47,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (1/1) ... [2024-10-11 21:01:47,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:01:47,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:47,641 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 21:01:47,646 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 21:01:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:01:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 21:01:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 21:01:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:01:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:01:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:01:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 21:01:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 21:01:47,739 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:01:47,741 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:01:48,153 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-10-11 21:01:48,153 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:01:48,188 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:01:48,188 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 21:01:48,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:01:48 BoogieIcfgContainer [2024-10-11 21:01:48,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:01:48,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:01:48,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:01:48,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:01:48,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:01:47" (1/3) ... [2024-10-11 21:01:48,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b10e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:01:48, skipping insertion in model container [2024-10-11 21:01:48,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:47" (2/3) ... [2024-10-11 21:01:48,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b10e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:01:48, skipping insertion in model container [2024-10-11 21:01:48,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:01:48" (3/3) ... [2024-10-11 21:01:48,200 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound5.c [2024-10-11 21:01:48,215 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:01:48,216 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-10-11 21:01:48,283 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:01:48,290 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;@e5b4aea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:01:48,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-10-11 21:01:48,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 57 states have (on average 1.8771929824561404) internal successors, (107), 99 states have internal predecessors, (107), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:01:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 21:01:48,301 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:48,302 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:48,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:48,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:48,306 INFO L85 PathProgramCache]: Analyzing trace with hash -639812028, now seen corresponding path program 1 times [2024-10-11 21:01:48,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:48,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658591377] [2024-10-11 21:01:48,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:48,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:48,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:01:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:48,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:01:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:48,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:01:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:48,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:48,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658591377] [2024-10-11 21:01:48,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658591377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:48,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:48,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:01:48,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471121792] [2024-10-11 21:01:48,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:48,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 21:01:48,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:48,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 21:01:48,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 21:01:48,479 INFO L87 Difference]: Start difference. First operand has 108 states, 57 states have (on average 1.8771929824561404) internal successors, (107), 99 states have internal predecessors, (107), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 21:01:48,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:48,508 INFO L93 Difference]: Finished difference Result 214 states and 241 transitions. [2024-10-11 21:01:48,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 21:01:48,513 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-10-11 21:01:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:48,519 INFO L225 Difference]: With dead ends: 214 [2024-10-11 21:01:48,519 INFO L226 Difference]: Without dead ends: 105 [2024-10-11 21:01:48,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 21:01:48,524 INFO L432 NwaCegarLoop]: 113 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, 113 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 21:01:48,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:01:48,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-11 21:01:48,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-11 21:01:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 56 states have (on average 1.8035714285714286) internal successors, (101), 97 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:01:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2024-10-11 21:01:48,559 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 20 [2024-10-11 21:01:48,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:48,559 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2024-10-11 21:01:48,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 21:01:48,560 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2024-10-11 21:01:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 21:01:48,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:48,561 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:48,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:01:48,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:48,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:48,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1469837050, now seen corresponding path program 1 times [2024-10-11 21:01:48,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:48,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907787180] [2024-10-11 21:01:48,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:48,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:48,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [50681868] [2024-10-11 21:01:48,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:48,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:48,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:48,598 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 21:01:48,599 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 21:01:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:48,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 21:01:48,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:01:48,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:01:49,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:49,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907787180] [2024-10-11 21:01:49,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:49,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50681868] [2024-10-11 21:01:49,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50681868] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:01:49,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:01:49,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 21:01:49,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268186086] [2024-10-11 21:01:49,015 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:01:49,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:01:49,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:49,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:01:49,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:01:49,017 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 21:01:49,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:49,479 INFO L93 Difference]: Finished difference Result 143 states and 167 transitions. [2024-10-11 21:01:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:01:49,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-10-11 21:01:49,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:49,481 INFO L225 Difference]: With dead ends: 143 [2024-10-11 21:01:49,481 INFO L226 Difference]: Without dead ends: 134 [2024-10-11 21:01:49,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:01:49,483 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 156 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:49,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 212 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:01:49,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-11 21:01:49,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 127. [2024-10-11 21:01:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 78 states have (on average 1.705128205128205) internal successors, (133), 117 states have internal predecessors, (133), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 21:01:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2024-10-11 21:01:49,507 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 20 [2024-10-11 21:01:49,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:49,509 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2024-10-11 21:01:49,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 21:01:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2024-10-11 21:01:49,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 21:01:49,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:49,510 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:49,527 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 21:01:49,711 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 21:01:49,712 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:49,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:49,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1679691756, now seen corresponding path program 1 times [2024-10-11 21:01:49,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:49,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106509783] [2024-10-11 21:01:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:49,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:49,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582187286] [2024-10-11 21:01:49,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:49,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:49,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:49,738 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 21:01:49,741 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 21:01:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:49,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 21:01:49,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:49,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:49,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:49,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106509783] [2024-10-11 21:01:49,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:49,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582187286] [2024-10-11 21:01:49,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582187286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:49,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:49,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 21:01:49,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122550436] [2024-10-11 21:01:49,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:49,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:01:49,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:49,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:01:49,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:01:49,915 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:01:50,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:50,249 INFO L93 Difference]: Finished difference Result 173 states and 213 transitions. [2024-10-11 21:01:50,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:01:50,250 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2024-10-11 21:01:50,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:50,251 INFO L225 Difference]: With dead ends: 173 [2024-10-11 21:01:50,251 INFO L226 Difference]: Without dead ends: 155 [2024-10-11 21:01:50,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:01:50,253 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 164 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:50,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 204 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:01:50,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-11 21:01:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 152. [2024-10-11 21:01:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 104 states have (on average 1.6153846153846154) internal successors, (168), 141 states have internal predecessors, (168), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 184 transitions. [2024-10-11 21:01:50,265 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 184 transitions. Word has length 21 [2024-10-11 21:01:50,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:50,265 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 184 transitions. [2024-10-11 21:01:50,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:01:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 184 transitions. [2024-10-11 21:01:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 21:01:50,267 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:50,267 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:50,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 21:01:50,471 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 21:01:50,473 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:50,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:50,473 INFO L85 PathProgramCache]: Analyzing trace with hash 530836936, now seen corresponding path program 1 times [2024-10-11 21:01:50,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:50,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444298468] [2024-10-11 21:01:50,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:50,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:50,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489239044] [2024-10-11 21:01:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:50,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:50,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:50,491 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 21:01:50,494 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 21:01:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:50,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 21:01:50,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:01:50,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:01:50,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:50,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444298468] [2024-10-11 21:01:50,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:50,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489239044] [2024-10-11 21:01:50,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489239044] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:01:50,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:01:50,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 21:01:50,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22530703] [2024-10-11 21:01:50,905 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:01:50,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:01:50,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:50,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:01:50,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:01:50,907 INFO L87 Difference]: Start difference. First operand 152 states and 184 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 21:01:51,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:51,381 INFO L93 Difference]: Finished difference Result 160 states and 191 transitions. [2024-10-11 21:01:51,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:01:51,382 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-10-11 21:01:51,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:51,383 INFO L225 Difference]: With dead ends: 160 [2024-10-11 21:01:51,384 INFO L226 Difference]: Without dead ends: 159 [2024-10-11 21:01:51,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:01:51,385 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 254 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:51,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 228 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:01:51,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-10-11 21:01:51,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2024-10-11 21:01:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 104 states have (on average 1.6057692307692308) internal successors, (167), 141 states have internal predecessors, (167), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 183 transitions. [2024-10-11 21:01:51,395 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 183 transitions. Word has length 22 [2024-10-11 21:01:51,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:51,395 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 183 transitions. [2024-10-11 21:01:51,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 21:01:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2024-10-11 21:01:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 21:01:51,396 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:51,396 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:51,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 21:01:51,600 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 21:01:51,601 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:51,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:51,601 INFO L85 PathProgramCache]: Analyzing trace with hash -723924114, now seen corresponding path program 1 times [2024-10-11 21:01:51,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:51,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162653506] [2024-10-11 21:01:51,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:51,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:51,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871048066] [2024-10-11 21:01:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:51,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:51,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:51,632 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 21:01:51,633 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 21:01:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:51,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 21:01:51,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:51,818 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:51,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:51,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162653506] [2024-10-11 21:01:51,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:51,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871048066] [2024-10-11 21:01:51,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871048066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:51,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:51,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 21:01:51,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530807599] [2024-10-11 21:01:51,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:51,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:01:51,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:51,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:01:51,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:01:51,821 INFO L87 Difference]: Start difference. First operand 152 states and 183 transitions. Second operand has 9 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:01:52,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:52,231 INFO L93 Difference]: Finished difference Result 160 states and 190 transitions. [2024-10-11 21:01:52,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 21:01:52,232 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 23 [2024-10-11 21:01:52,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:52,233 INFO L225 Difference]: With dead ends: 160 [2024-10-11 21:01:52,234 INFO L226 Difference]: Without dead ends: 159 [2024-10-11 21:01:52,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:01:52,235 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 251 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:52,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 241 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:01:52,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-10-11 21:01:52,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2024-10-11 21:01:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 104 states have (on average 1.5961538461538463) internal successors, (166), 141 states have internal predecessors, (166), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 182 transitions. [2024-10-11 21:01:52,244 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 182 transitions. Word has length 23 [2024-10-11 21:01:52,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:52,244 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 182 transitions. [2024-10-11 21:01:52,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:01:52,244 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 182 transitions. [2024-10-11 21:01:52,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 21:01:52,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:52,245 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:52,261 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 21:01:52,449 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 21:01:52,450 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:52,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:52,450 INFO L85 PathProgramCache]: Analyzing trace with hash -966810998, now seen corresponding path program 1 times [2024-10-11 21:01:52,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:52,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757022543] [2024-10-11 21:01:52,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:52,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:52,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:01:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:52,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:01:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:01:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:52,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:52,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757022543] [2024-10-11 21:01:52,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757022543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:52,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:52,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:52,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951554497] [2024-10-11 21:01:52,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:52,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:52,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:52,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:52,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:52,564 INFO L87 Difference]: Start difference. First operand 152 states and 182 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:01:53,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:53,616 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2024-10-11 21:01:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:53,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-10-11 21:01:53,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:53,619 INFO L225 Difference]: With dead ends: 245 [2024-10-11 21:01:53,619 INFO L226 Difference]: Without dead ends: 244 [2024-10-11 21:01:53,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 21:01:53,620 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 93 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:53,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 161 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 21:01:53,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-10-11 21:01:53,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 173. [2024-10-11 21:01:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 124 states have (on average 1.596774193548387) internal successors, (198), 161 states have internal predecessors, (198), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 21:01:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 216 transitions. [2024-10-11 21:01:53,646 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 216 transitions. Word has length 24 [2024-10-11 21:01:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:53,646 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 216 transitions. [2024-10-11 21:01:53,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:01:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 216 transitions. [2024-10-11 21:01:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 21:01:53,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:53,647 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:53,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 21:01:53,647 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:53,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:53,647 INFO L85 PathProgramCache]: Analyzing trace with hash 93630192, now seen corresponding path program 1 times [2024-10-11 21:01:53,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:53,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22995765] [2024-10-11 21:01:53,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:53,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:53,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:01:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:53,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:01:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:53,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:01:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:53,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:53,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:53,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22995765] [2024-10-11 21:01:53,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22995765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:53,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:53,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:53,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747591793] [2024-10-11 21:01:53,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:53,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:53,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:53,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:53,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:53,938 INFO L87 Difference]: Start difference. First operand 173 states and 216 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:01:56,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:56,067 INFO L93 Difference]: Finished difference Result 245 states and 289 transitions. [2024-10-11 21:01:56,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:56,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-10-11 21:01:56,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:56,069 INFO L225 Difference]: With dead ends: 245 [2024-10-11 21:01:56,070 INFO L226 Difference]: Without dead ends: 244 [2024-10-11 21:01:56,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:56,071 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 69 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:56,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 186 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 21:01:56,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-10-11 21:01:56,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 173. [2024-10-11 21:01:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 124 states have (on average 1.5806451612903225) internal successors, (196), 161 states have internal predecessors, (196), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 21:01:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 214 transitions. [2024-10-11 21:01:56,091 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 214 transitions. Word has length 25 [2024-10-11 21:01:56,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:56,091 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 214 transitions. [2024-10-11 21:01:56,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:01:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 214 transitions. [2024-10-11 21:01:56,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 21:01:56,095 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:56,095 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:01:56,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 21:01:56,095 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:56,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:56,096 INFO L85 PathProgramCache]: Analyzing trace with hash 591387408, now seen corresponding path program 1 times [2024-10-11 21:01:56,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:56,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660710890] [2024-10-11 21:01:56,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:56,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:56,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [788205007] [2024-10-11 21:01:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:56,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:56,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:56,139 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 21:01:56,141 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 21:01:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:56,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:01:56,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:56,265 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:56,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:56,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660710890] [2024-10-11 21:01:56,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:56,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788205007] [2024-10-11 21:01:56,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788205007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:56,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:56,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:56,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467378793] [2024-10-11 21:01:56,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:56,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:56,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:56,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:56,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:56,269 INFO L87 Difference]: Start difference. First operand 173 states and 214 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:01:56,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:56,500 INFO L93 Difference]: Finished difference Result 183 states and 222 transitions. [2024-10-11 21:01:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:56,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2024-10-11 21:01:56,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:56,502 INFO L225 Difference]: With dead ends: 183 [2024-10-11 21:01:56,503 INFO L226 Difference]: Without dead ends: 180 [2024-10-11 21:01:56,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 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 21:01:56,504 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 151 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:56,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 118 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:01:56,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-11 21:01:56,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2024-10-11 21:01:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 128 states have (on average 1.5546875) internal successors, (199), 165 states have internal predecessors, (199), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 21:01:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 217 transitions. [2024-10-11 21:01:56,515 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 217 transitions. Word has length 38 [2024-10-11 21:01:56,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:56,516 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 217 transitions. [2024-10-11 21:01:56,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:01:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 217 transitions. [2024-10-11 21:01:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 21:01:56,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:56,520 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:01:56,537 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 21:01:56,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:56,721 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:56,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:56,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1166531614, now seen corresponding path program 1 times [2024-10-11 21:01:56,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:56,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061138717] [2024-10-11 21:01:56,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:56,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:56,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709324235] [2024-10-11 21:01:56,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:56,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:56,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:56,747 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 21:01:56,748 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 21:01:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:56,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:01:56,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:56,860 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:56,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:56,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061138717] [2024-10-11 21:01:56,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:56,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709324235] [2024-10-11 21:01:56,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709324235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:56,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:56,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:56,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077624083] [2024-10-11 21:01:56,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:56,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:56,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:56,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:56,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:56,862 INFO L87 Difference]: Start difference. First operand 177 states and 217 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:01:57,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:57,288 INFO L93 Difference]: Finished difference Result 226 states and 285 transitions. [2024-10-11 21:01:57,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:57,289 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-10-11 21:01:57,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:57,290 INFO L225 Difference]: With dead ends: 226 [2024-10-11 21:01:57,290 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 21:01:57,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 21:01:57,291 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 148 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:57,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 118 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:01:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 21:01:57,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 205. [2024-10-11 21:01:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 155 states have (on average 1.5741935483870968) internal successors, (244), 192 states have internal predecessors, (244), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:01:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 264 transitions. [2024-10-11 21:01:57,301 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 264 transitions. Word has length 39 [2024-10-11 21:01:57,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:57,301 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 264 transitions. [2024-10-11 21:01:57,301 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:01:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 264 transitions. [2024-10-11 21:01:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 21:01:57,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:57,302 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:01:57,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 21:01:57,503 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,SelfDestructingSolverStorable8 [2024-10-11 21:01:57,503 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:57,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:57,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1153140560, now seen corresponding path program 1 times [2024-10-11 21:01:57,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:57,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205582484] [2024-10-11 21:01:57,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:57,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:57,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1998511180] [2024-10-11 21:01:57,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:57,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:57,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:57,523 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 21:01:57,527 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 21:01:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:57,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:01:57,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:57,646 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:57,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:57,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205582484] [2024-10-11 21:01:57,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:57,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998511180] [2024-10-11 21:01:57,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998511180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:57,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:57,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:57,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606409434] [2024-10-11 21:01:57,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:57,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:57,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:57,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:57,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:57,648 INFO L87 Difference]: Start difference. First operand 205 states and 264 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:01:57,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:57,885 INFO L93 Difference]: Finished difference Result 266 states and 356 transitions. [2024-10-11 21:01:57,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:57,885 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), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 39 [2024-10-11 21:01:57,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:57,887 INFO L225 Difference]: With dead ends: 266 [2024-10-11 21:01:57,887 INFO L226 Difference]: Without dead ends: 260 [2024-10-11 21:01:57,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 21:01:57,888 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 204 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:57,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 82 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:01:57,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-10-11 21:01:57,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 240. [2024-10-11 21:01:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 189 states have (on average 1.6243386243386244) internal successors, (307), 226 states have internal predecessors, (307), 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 21:01:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 329 transitions. [2024-10-11 21:01:57,898 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 329 transitions. Word has length 39 [2024-10-11 21:01:57,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:57,898 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 329 transitions. [2024-10-11 21:01:57,899 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), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:01:57,899 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 329 transitions. [2024-10-11 21:01:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 21:01:57,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:57,900 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:01:57,916 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 21:01:58,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:58,101 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:58,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:58,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1802741779, now seen corresponding path program 1 times [2024-10-11 21:01:58,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:58,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200373037] [2024-10-11 21:01:58,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:58,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:58,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70797084] [2024-10-11 21:01:58,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:58,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:58,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:58,125 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 21:01:58,126 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 21:01:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:58,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:01:58,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:58,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:58,233 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:58,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:58,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200373037] [2024-10-11 21:01:58,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:58,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70797084] [2024-10-11 21:01:58,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70797084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:58,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:58,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:58,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550408076] [2024-10-11 21:01:58,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:58,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:58,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:58,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:58,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:58,235 INFO L87 Difference]: Start difference. First operand 240 states and 329 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:01:58,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:58,559 INFO L93 Difference]: Finished difference Result 252 states and 336 transitions. [2024-10-11 21:01:58,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:58,560 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-10-11 21:01:58,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:58,561 INFO L225 Difference]: With dead ends: 252 [2024-10-11 21:01:58,561 INFO L226 Difference]: Without dead ends: 248 [2024-10-11 21:01:58,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 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 21:01:58,562 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 196 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:58,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 82 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:01:58,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-11 21:01:58,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 240. [2024-10-11 21:01:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 189 states have (on average 1.597883597883598) internal successors, (302), 226 states have internal predecessors, (302), 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 21:01:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 324 transitions. [2024-10-11 21:01:58,571 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 324 transitions. Word has length 40 [2024-10-11 21:01:58,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:58,572 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 324 transitions. [2024-10-11 21:01:58,572 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:01:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 324 transitions. [2024-10-11 21:01:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 21:01:58,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:58,573 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:01:58,590 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 21:01:58,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 21:01:58,777 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:58,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:58,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1387619090, now seen corresponding path program 1 times [2024-10-11 21:01:58,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:58,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583520570] [2024-10-11 21:01:58,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:58,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:01:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:01:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:01:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 21:01:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:58,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:58,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583520570] [2024-10-11 21:01:58,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583520570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:58,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:58,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:58,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065570159] [2024-10-11 21:01:58,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:58,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:58,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:58,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:58,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:58,879 INFO L87 Difference]: Start difference. First operand 240 states and 324 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:01:59,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:59,549 INFO L93 Difference]: Finished difference Result 323 states and 416 transitions. [2024-10-11 21:01:59,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:59,549 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-10-11 21:01:59,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:59,551 INFO L225 Difference]: With dead ends: 323 [2024-10-11 21:01:59,551 INFO L226 Difference]: Without dead ends: 322 [2024-10-11 21:01:59,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 21:01:59,552 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 62 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:59,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 210 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 21:01:59,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-11 21:01:59,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 250. [2024-10-11 21:01:59,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 199 states have (on average 1.592964824120603) internal successors, (317), 236 states have internal predecessors, (317), 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 21:01:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 339 transitions. [2024-10-11 21:01:59,563 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 339 transitions. Word has length 40 [2024-10-11 21:01:59,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:59,563 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 339 transitions. [2024-10-11 21:01:59,563 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:01:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 339 transitions. [2024-10-11 21:01:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 21:01:59,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:59,564 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:01:59,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 21:01:59,565 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:01:59,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:59,565 INFO L85 PathProgramCache]: Analyzing trace with hash 464588800, now seen corresponding path program 1 times [2024-10-11 21:01:59,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:59,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214616598] [2024-10-11 21:01:59,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:59,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:59,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:01:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:59,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:01:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:59,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:01:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:59,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 21:01:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:01:59,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:59,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214616598] [2024-10-11 21:01:59,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214616598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:59,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:59,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 21:01:59,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481795177] [2024-10-11 21:01:59,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:59,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:01:59,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:59,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:01:59,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:01:59,701 INFO L87 Difference]: Start difference. First operand 250 states and 339 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:00,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:00,236 INFO L93 Difference]: Finished difference Result 352 states and 500 transitions. [2024-10-11 21:02:00,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:02:00,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2024-10-11 21:02:00,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:00,238 INFO L225 Difference]: With dead ends: 352 [2024-10-11 21:02:00,238 INFO L226 Difference]: Without dead ends: 350 [2024-10-11 21:02:00,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:02:00,239 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 462 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:00,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 92 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:02:00,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-11 21:02:00,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 256. [2024-10-11 21:02:00,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 205 states have (on average 1.5804878048780489) internal successors, (324), 242 states have internal predecessors, (324), 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 21:02:00,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 346 transitions. [2024-10-11 21:02:00,250 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 346 transitions. Word has length 41 [2024-10-11 21:02:00,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:00,251 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 346 transitions. [2024-10-11 21:02:00,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:00,251 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 346 transitions. [2024-10-11 21:02:00,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 21:02:00,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:00,252 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:02:00,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 21:02:00,252 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:00,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:00,252 INFO L85 PathProgramCache]: Analyzing trace with hash 50420416, now seen corresponding path program 1 times [2024-10-11 21:02:00,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:00,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89555739] [2024-10-11 21:02:00,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:00,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:00,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:02:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:00,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:02:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:00,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:02:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:00,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 21:02:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:02:00,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:00,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89555739] [2024-10-11 21:02:00,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89555739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:00,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:00,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:02:00,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223798724] [2024-10-11 21:02:00,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:00,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:02:00,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:00,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:02:00,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:00,311 INFO L87 Difference]: Start difference. First operand 256 states and 346 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:00,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:00,842 INFO L93 Difference]: Finished difference Result 323 states and 412 transitions. [2024-10-11 21:02:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:02:00,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-10-11 21:02:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:00,844 INFO L225 Difference]: With dead ends: 323 [2024-10-11 21:02:00,844 INFO L226 Difference]: Without dead ends: 322 [2024-10-11 21:02:00,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 21:02:00,845 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 61 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:00,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 198 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:02:00,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-11 21:02:00,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 266. [2024-10-11 21:02:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 215 states have (on average 1.5767441860465117) internal successors, (339), 252 states have internal predecessors, (339), 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 21:02:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 361 transitions. [2024-10-11 21:02:00,856 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 361 transitions. Word has length 41 [2024-10-11 21:02:00,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:00,857 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 361 transitions. [2024-10-11 21:02:00,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 361 transitions. [2024-10-11 21:02:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 21:02:00,858 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:00,858 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:02:00,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 21:02:00,859 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:00,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:00,860 INFO L85 PathProgramCache]: Analyzing trace with hash 66518930, now seen corresponding path program 1 times [2024-10-11 21:02:00,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:00,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586532035] [2024-10-11 21:02:00,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:00,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:00,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:02:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:01,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:02:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:01,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:02:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:01,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 21:02:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:02:01,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:01,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586532035] [2024-10-11 21:02:01,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586532035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:01,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:01,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:02:01,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124426687] [2024-10-11 21:02:01,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:01,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:02:01,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:01,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:02:01,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:01,010 INFO L87 Difference]: Start difference. First operand 266 states and 361 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:01,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:01,706 INFO L93 Difference]: Finished difference Result 323 states and 410 transitions. [2024-10-11 21:02:01,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:02:01,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-10-11 21:02:01,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:01,707 INFO L225 Difference]: With dead ends: 323 [2024-10-11 21:02:01,707 INFO L226 Difference]: Without dead ends: 322 [2024-10-11 21:02:01,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:01,708 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 60 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:01,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 216 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 21:02:01,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-11 21:02:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 268. [2024-10-11 21:02:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 217 states have (on average 1.5714285714285714) internal successors, (341), 254 states have internal predecessors, (341), 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 21:02:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 363 transitions. [2024-10-11 21:02:01,720 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 363 transitions. Word has length 41 [2024-10-11 21:02:01,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:01,721 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 363 transitions. [2024-10-11 21:02:01,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 363 transitions. [2024-10-11 21:02:01,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 21:02:01,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:01,722 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:02:01,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 21:02:01,722 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:01,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:01,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1517351043, now seen corresponding path program 1 times [2024-10-11 21:02:01,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:01,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429894880] [2024-10-11 21:02:01,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:01,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:01,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:02:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:01,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:02:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:01,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:02:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:01,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 21:02:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:02:01,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:01,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429894880] [2024-10-11 21:02:01,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429894880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:01,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:01,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 21:02:01,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391688446] [2024-10-11 21:02:01,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:01,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:02:01,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:01,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:02:01,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:02:01,840 INFO L87 Difference]: Start difference. First operand 268 states and 363 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:02,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:02,311 INFO L93 Difference]: Finished difference Result 275 states and 370 transitions. [2024-10-11 21:02:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:02:02,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2024-10-11 21:02:02,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:02,313 INFO L225 Difference]: With dead ends: 275 [2024-10-11 21:02:02,314 INFO L226 Difference]: Without dead ends: 273 [2024-10-11 21:02:02,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:02:02,315 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 374 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:02,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 95 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:02:02,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-10-11 21:02:02,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 268. [2024-10-11 21:02:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 217 states have (on average 1.5576036866359446) internal successors, (338), 254 states have internal predecessors, (338), 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 21:02:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 360 transitions. [2024-10-11 21:02:02,329 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 360 transitions. Word has length 42 [2024-10-11 21:02:02,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:02,329 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 360 transitions. [2024-10-11 21:02:02,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 360 transitions. [2024-10-11 21:02:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 21:02:02,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:02,329 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:02:02,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 21:02:02,330 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:02,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:02,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1563033013, now seen corresponding path program 1 times [2024-10-11 21:02:02,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:02,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475838770] [2024-10-11 21:02:02,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:02,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:02,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:02:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:02,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:02:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:02,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:02:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:02,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 21:02:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:02:02,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:02,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475838770] [2024-10-11 21:02:02,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475838770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:02,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:02,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:02:02,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268021779] [2024-10-11 21:02:02,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:02,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:02:02,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:02,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:02:02,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:02,404 INFO L87 Difference]: Start difference. First operand 268 states and 360 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:03,352 INFO L93 Difference]: Finished difference Result 323 states and 404 transitions. [2024-10-11 21:02:03,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:02:03,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-10-11 21:02:03,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:03,354 INFO L225 Difference]: With dead ends: 323 [2024-10-11 21:02:03,354 INFO L226 Difference]: Without dead ends: 322 [2024-10-11 21:02:03,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 21:02:03,355 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 59 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:03,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 202 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 21:02:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-11 21:02:03,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 270. [2024-10-11 21:02:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 219 states have (on average 1.552511415525114) internal successors, (340), 256 states have internal predecessors, (340), 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 21:02:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 362 transitions. [2024-10-11 21:02:03,368 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 362 transitions. Word has length 42 [2024-10-11 21:02:03,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:03,368 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 362 transitions. [2024-10-11 21:02:03,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 362 transitions. [2024-10-11 21:02:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 21:02:03,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:03,369 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:03,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 21:02:03,369 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:03,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:03,370 INFO L85 PathProgramCache]: Analyzing trace with hash 352887974, now seen corresponding path program 1 times [2024-10-11 21:02:03,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:03,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527492698] [2024-10-11 21:02:03,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:03,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:03,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381446351] [2024-10-11 21:02:03,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:03,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:03,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:03,391 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 21:02:03,399 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 21:02:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:03,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 21:02:03,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:03,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:06,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:06,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527492698] [2024-10-11 21:02:06,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:06,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381446351] [2024-10-11 21:02:06,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381446351] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:06,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:06,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 21:02:06,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125569892] [2024-10-11 21:02:06,456 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:06,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 21:02:06,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:06,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 21:02:06,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:02:06,457 INFO L87 Difference]: Start difference. First operand 270 states and 362 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:07,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:07,110 INFO L93 Difference]: Finished difference Result 339 states and 460 transitions. [2024-10-11 21:02:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 21:02:07,110 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 42 [2024-10-11 21:02:07,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:07,112 INFO L225 Difference]: With dead ends: 339 [2024-10-11 21:02:07,112 INFO L226 Difference]: Without dead ends: 330 [2024-10-11 21:02:07,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-10-11 21:02:07,113 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 201 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:07,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 264 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:02:07,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-11 21:02:07,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 307. [2024-10-11 21:02:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 254 states have (on average 1.5039370078740157) internal successors, (382), 291 states have internal predecessors, (382), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 21:02:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 408 transitions. [2024-10-11 21:02:07,126 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 408 transitions. Word has length 42 [2024-10-11 21:02:07,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:07,127 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 408 transitions. [2024-10-11 21:02:07,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 408 transitions. [2024-10-11 21:02:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 21:02:07,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:07,127 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:07,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 21:02:07,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 21:02:07,332 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:07,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:07,332 INFO L85 PathProgramCache]: Analyzing trace with hash -499816236, now seen corresponding path program 1 times [2024-10-11 21:02:07,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:07,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473023082] [2024-10-11 21:02:07,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:07,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:07,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613525273] [2024-10-11 21:02:07,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:07,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:07,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:07,353 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 21:02:07,355 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 21:02:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:07,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 21:02:07,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:07,499 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:02:07,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:07,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473023082] [2024-10-11 21:02:07,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:07,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613525273] [2024-10-11 21:02:07,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613525273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:07,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:07,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 21:02:07,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358604774] [2024-10-11 21:02:07,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:07,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:02:07,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:07,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:02:07,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:02:07,503 INFO L87 Difference]: Start difference. First operand 307 states and 408 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:07,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:07,939 INFO L93 Difference]: Finished difference Result 315 states and 411 transitions. [2024-10-11 21:02:07,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 21:02:07,939 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-10-11 21:02:07,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:07,941 INFO L225 Difference]: With dead ends: 315 [2024-10-11 21:02:07,941 INFO L226 Difference]: Without dead ends: 305 [2024-10-11 21:02:07,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-11 21:02:07,942 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 159 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:07,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 291 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:02:07,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-10-11 21:02:07,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2024-10-11 21:02:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 250 states have (on average 1.484) internal successors, (371), 286 states have internal predecessors, (371), 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 21:02:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 395 transitions. [2024-10-11 21:02:07,955 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 395 transitions. Word has length 43 [2024-10-11 21:02:07,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:07,955 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 395 transitions. [2024-10-11 21:02:07,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 395 transitions. [2024-10-11 21:02:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 21:02:07,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:07,956 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:07,972 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 21:02:08,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:08,156 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:08,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:08,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1945374644, now seen corresponding path program 1 times [2024-10-11 21:02:08,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:08,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175479275] [2024-10-11 21:02:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:08,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:08,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926234490] [2024-10-11 21:02:08,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:08,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:08,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:08,179 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 21:02:08,182 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 21:02:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:08,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 21:02:08,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:08,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:10,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:10,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175479275] [2024-10-11 21:02:10,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:10,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926234490] [2024-10-11 21:02:10,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926234490] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:10,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:10,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 21:02:10,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733002504] [2024-10-11 21:02:10,156 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:10,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:02:10,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:10,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:02:10,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:02:10,158 INFO L87 Difference]: Start difference. First operand 301 states and 395 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:12,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:12,141 INFO L93 Difference]: Finished difference Result 469 states and 644 transitions. [2024-10-11 21:02:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 21:02:12,141 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 43 [2024-10-11 21:02:12,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:12,143 INFO L225 Difference]: With dead ends: 469 [2024-10-11 21:02:12,143 INFO L226 Difference]: Without dead ends: 420 [2024-10-11 21:02:12,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2024-10-11 21:02:12,145 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 382 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:12,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 256 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 21:02:12,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-10-11 21:02:12,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 285. [2024-10-11 21:02:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 236 states have (on average 1.423728813559322) internal successors, (336), 272 states have internal predecessors, (336), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:02:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 356 transitions. [2024-10-11 21:02:12,163 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 356 transitions. Word has length 43 [2024-10-11 21:02:12,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:12,163 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 356 transitions. [2024-10-11 21:02:12,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 356 transitions. [2024-10-11 21:02:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 21:02:12,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:12,164 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:02:12,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 21:02:12,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:12,369 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:12,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:12,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1125736252, now seen corresponding path program 1 times [2024-10-11 21:02:12,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:12,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240821521] [2024-10-11 21:02:12,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:12,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:12,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1719440172] [2024-10-11 21:02:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:12,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:12,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:12,398 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 21:02:12,400 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 21:02:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:12,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:02:12,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:02:12,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:02:12,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:12,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240821521] [2024-10-11 21:02:12,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:12,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719440172] [2024-10-11 21:02:12,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719440172] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:12,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:12,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 21:02:12,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190130329] [2024-10-11 21:02:12,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:12,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:02:12,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:12,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:02:12,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:02:12,597 INFO L87 Difference]: Start difference. First operand 285 states and 356 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:13,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:13,353 INFO L93 Difference]: Finished difference Result 373 states and 485 transitions. [2024-10-11 21:02:13,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:02:13,353 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2024-10-11 21:02:13,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:13,354 INFO L225 Difference]: With dead ends: 373 [2024-10-11 21:02:13,354 INFO L226 Difference]: Without dead ends: 366 [2024-10-11 21:02:13,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:02:13,355 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 246 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:13,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 105 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 21:02:13,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-10-11 21:02:13,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 320. [2024-10-11 21:02:13,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 270 states have (on average 1.4333333333333333) internal successors, (387), 306 states have internal predecessors, (387), 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 21:02:13,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 409 transitions. [2024-10-11 21:02:13,370 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 409 transitions. Word has length 45 [2024-10-11 21:02:13,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:13,371 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 409 transitions. [2024-10-11 21:02:13,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 409 transitions. [2024-10-11 21:02:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 21:02:13,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:13,372 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:13,390 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 21:02:13,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:13,572 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:13,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:13,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1194257458, now seen corresponding path program 1 times [2024-10-11 21:02:13,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:13,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661385767] [2024-10-11 21:02:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:13,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1603208372] [2024-10-11 21:02:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:13,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:13,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:13,589 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 21:02:13,590 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 21:02:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:13,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 21:02:13,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:14,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:16,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:16,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661385767] [2024-10-11 21:02:16,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:16,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603208372] [2024-10-11 21:02:16,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603208372] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:16,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:16,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 21:02:16,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42558669] [2024-10-11 21:02:16,352 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:16,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 21:02:16,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:16,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 21:02:16,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-10-11 21:02:16,353 INFO L87 Difference]: Start difference. First operand 320 states and 409 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:17,384 INFO L93 Difference]: Finished difference Result 364 states and 464 transitions. [2024-10-11 21:02:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:02:17,384 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 45 [2024-10-11 21:02:17,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:17,386 INFO L225 Difference]: With dead ends: 364 [2024-10-11 21:02:17,386 INFO L226 Difference]: Without dead ends: 363 [2024-10-11 21:02:17,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-10-11 21:02:17,387 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 218 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:17,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 217 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 21:02:17,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-11 21:02:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 330. [2024-10-11 21:02:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 280 states have (on average 1.4142857142857144) internal successors, (396), 316 states have internal predecessors, (396), 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 21:02:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 418 transitions. [2024-10-11 21:02:17,404 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 418 transitions. Word has length 45 [2024-10-11 21:02:17,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:17,404 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 418 transitions. [2024-10-11 21:02:17,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 418 transitions. [2024-10-11 21:02:17,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 21:02:17,405 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:17,405 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:02:17,428 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 21:02:17,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:17,610 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:17,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:17,610 INFO L85 PathProgramCache]: Analyzing trace with hash -538085305, now seen corresponding path program 1 times [2024-10-11 21:02:17,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:17,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35136022] [2024-10-11 21:02:17,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:17,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:17,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [568675456] [2024-10-11 21:02:17,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:17,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:17,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:17,630 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 21:02:17,632 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 21:02:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:17,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:02:17,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:02:17,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:02:17,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35136022] [2024-10-11 21:02:17,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568675456] [2024-10-11 21:02:17,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568675456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:17,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:17,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 21:02:17,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010513488] [2024-10-11 21:02:17,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:17,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:02:17,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:17,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:02:17,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:02:17,816 INFO L87 Difference]: Start difference. First operand 330 states and 418 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:18,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:18,154 INFO L93 Difference]: Finished difference Result 356 states and 451 transitions. [2024-10-11 21:02:18,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:02:18,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2024-10-11 21:02:18,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:18,155 INFO L225 Difference]: With dead ends: 356 [2024-10-11 21:02:18,155 INFO L226 Difference]: Without dead ends: 355 [2024-10-11 21:02:18,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:02:18,156 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 238 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:18,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 88 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:02:18,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-11 21:02:18,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 330. [2024-10-11 21:02:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 280 states have (on average 1.4071428571428573) internal successors, (394), 316 states have internal predecessors, (394), 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 21:02:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 416 transitions. [2024-10-11 21:02:18,172 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 416 transitions. Word has length 46 [2024-10-11 21:02:18,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:18,172 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 416 transitions. [2024-10-11 21:02:18,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 416 transitions. [2024-10-11 21:02:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 21:02:18,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:18,173 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:02:18,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-11 21:02:18,373 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,SelfDestructingSolverStorable22 [2024-10-11 21:02:18,374 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:18,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:18,374 INFO L85 PathProgramCache]: Analyzing trace with hash 499224870, now seen corresponding path program 1 times [2024-10-11 21:02:18,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:18,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790027563] [2024-10-11 21:02:18,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:18,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:18,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:02:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:18,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:02:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:18,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:02:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:18,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 21:02:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:18,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:02:18,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:18,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790027563] [2024-10-11 21:02:18,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790027563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:18,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:18,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:02:18,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522950170] [2024-10-11 21:02:18,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:18,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:02:18,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:18,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:02:18,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:18,512 INFO L87 Difference]: Start difference. First operand 330 states and 416 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:19,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:19,091 INFO L93 Difference]: Finished difference Result 354 states and 437 transitions. [2024-10-11 21:02:19,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:02:19,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-10-11 21:02:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:19,093 INFO L225 Difference]: With dead ends: 354 [2024-10-11 21:02:19,093 INFO L226 Difference]: Without dead ends: 353 [2024-10-11 21:02:19,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 21:02:19,093 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 31 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:19,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 204 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:02:19,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-10-11 21:02:19,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 341. [2024-10-11 21:02:19,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 291 states have (on average 1.4123711340206186) internal successors, (411), 327 states have internal predecessors, (411), 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 21:02:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 433 transitions. [2024-10-11 21:02:19,112 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 433 transitions. Word has length 47 [2024-10-11 21:02:19,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:19,113 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 433 transitions. [2024-10-11 21:02:19,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 433 transitions. [2024-10-11 21:02:19,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 21:02:19,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:19,113 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:19,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 21:02:19,114 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:19,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:19,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2063309992, now seen corresponding path program 1 times [2024-10-11 21:02:19,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:19,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776103433] [2024-10-11 21:02:19,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:19,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:19,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1858111687] [2024-10-11 21:02:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:19,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:19,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:19,129 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 21:02:19,139 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 21:02:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:19,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 21:02:19,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:19,341 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:02:19,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:19,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776103433] [2024-10-11 21:02:19,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:19,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858111687] [2024-10-11 21:02:19,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858111687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:19,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:19,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 21:02:19,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616857695] [2024-10-11 21:02:19,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:19,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:02:19,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:19,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:02:19,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:02:19,343 INFO L87 Difference]: Start difference. First operand 341 states and 433 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:19,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:19,937 INFO L93 Difference]: Finished difference Result 373 states and 471 transitions. [2024-10-11 21:02:19,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:02:19,938 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-10-11 21:02:19,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:19,939 INFO L225 Difference]: With dead ends: 373 [2024-10-11 21:02:19,939 INFO L226 Difference]: Without dead ends: 371 [2024-10-11 21:02:19,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:02:19,940 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 155 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:19,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 295 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:02:19,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-10-11 21:02:19,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 360. [2024-10-11 21:02:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 309 states have (on average 1.401294498381877) internal successors, (433), 345 states have internal predecessors, (433), 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 21:02:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 457 transitions. [2024-10-11 21:02:19,957 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 457 transitions. Word has length 47 [2024-10-11 21:02:19,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:19,957 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 457 transitions. [2024-10-11 21:02:19,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 457 transitions. [2024-10-11 21:02:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 21:02:19,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:19,958 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 21:02:19,975 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 21:02:20,162 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,SelfDestructingSolverStorable24 [2024-10-11 21:02:20,163 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:20,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:20,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1703898071, now seen corresponding path program 1 times [2024-10-11 21:02:20,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:20,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21552959] [2024-10-11 21:02:20,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:20,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:20,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:02:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:20,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 21:02:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:20,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 21:02:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:20,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 21:02:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:02:20,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:20,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21552959] [2024-10-11 21:02:20,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21552959] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:20,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:20,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:02:20,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577151491] [2024-10-11 21:02:20,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:20,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:02:20,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:20,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:02:20,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:20,305 INFO L87 Difference]: Start difference. First operand 360 states and 457 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:20,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:20,766 INFO L93 Difference]: Finished difference Result 373 states and 459 transitions. [2024-10-11 21:02:20,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:02:20,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2024-10-11 21:02:20,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:20,768 INFO L225 Difference]: With dead ends: 373 [2024-10-11 21:02:20,768 INFO L226 Difference]: Without dead ends: 372 [2024-10-11 21:02:20,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 21:02:20,768 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 30 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:20,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 192 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:02:20,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-10-11 21:02:20,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 361. [2024-10-11 21:02:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 310 states have (on average 1.396774193548387) internal successors, (433), 346 states have internal predecessors, (433), 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 21:02:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 457 transitions. [2024-10-11 21:02:20,786 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 457 transitions. Word has length 48 [2024-10-11 21:02:20,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:20,786 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 457 transitions. [2024-10-11 21:02:20,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:02:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 457 transitions. [2024-10-11 21:02:20,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 21:02:20,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:20,787 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:20,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-11 21:02:20,787 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:20,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:20,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1526397755, now seen corresponding path program 1 times [2024-10-11 21:02:20,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:20,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430411696] [2024-10-11 21:02:20,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:20,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:20,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953123720] [2024-10-11 21:02:20,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:20,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:20,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:20,803 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 21:02:20,805 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 21:02:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:20,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 21:02:20,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:21,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:25,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:25,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430411696] [2024-10-11 21:02:25,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:25,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953123720] [2024-10-11 21:02:25,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953123720] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:25,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:25,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 21:02:25,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951004659] [2024-10-11 21:02:25,686 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:25,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:02:25,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:25,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:02:25,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=80, Unknown=1, NotChecked=0, Total=110 [2024-10-11 21:02:25,688 INFO L87 Difference]: Start difference. First operand 361 states and 457 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:26,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:26,191 INFO L93 Difference]: Finished difference Result 393 states and 495 transitions. [2024-10-11 21:02:26,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:02:26,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2024-10-11 21:02:26,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:26,192 INFO L225 Difference]: With dead ends: 393 [2024-10-11 21:02:26,192 INFO L226 Difference]: Without dead ends: 391 [2024-10-11 21:02:26,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2024-10-11 21:02:26,193 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 151 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:26,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 257 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:02:26,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-10-11 21:02:26,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 381. [2024-10-11 21:02:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 329 states have (on average 1.3890577507598785) internal successors, (457), 365 states have internal predecessors, (457), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 21:02:26,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 483 transitions. [2024-10-11 21:02:26,211 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 483 transitions. Word has length 48 [2024-10-11 21:02:26,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:26,211 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 483 transitions. [2024-10-11 21:02:26,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 21:02:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 483 transitions. [2024-10-11 21:02:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 21:02:26,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:26,212 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:26,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 21:02:26,412 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,SelfDestructingSolverStorable26 [2024-10-11 21:02:26,413 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:26,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:26,413 INFO L85 PathProgramCache]: Analyzing trace with hash 461899746, now seen corresponding path program 1 times [2024-10-11 21:02:26,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:26,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931534375] [2024-10-11 21:02:26,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:26,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:26,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1686364455] [2024-10-11 21:02:26,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:26,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:26,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:26,430 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 21:02:26,432 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 21:02:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:26,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-11 21:02:26,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:26,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:27,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931534375] [2024-10-11 21:02:27,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686364455] [2024-10-11 21:02:27,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686364455] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:27,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:27,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 21:02:27,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562610869] [2024-10-11 21:02:27,212 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:27,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 21:02:27,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:27,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 21:02:27,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:02:27,213 INFO L87 Difference]: Start difference. First operand 381 states and 483 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:27,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:27,753 INFO L93 Difference]: Finished difference Result 610 states and 772 transitions. [2024-10-11 21:02:27,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:02:27,754 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2024-10-11 21:02:27,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:27,755 INFO L225 Difference]: With dead ends: 610 [2024-10-11 21:02:27,755 INFO L226 Difference]: Without dead ends: 382 [2024-10-11 21:02:27,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2024-10-11 21:02:27,756 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 155 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:27,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 249 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:02:27,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-10-11 21:02:27,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 375. [2024-10-11 21:02:27,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 323 states have (on average 1.3869969040247678) internal successors, (448), 359 states have internal predecessors, (448), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 21:02:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 474 transitions. [2024-10-11 21:02:27,776 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 474 transitions. Word has length 48 [2024-10-11 21:02:27,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:27,776 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 474 transitions. [2024-10-11 21:02:27,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:27,776 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 474 transitions. [2024-10-11 21:02:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 21:02:27,776 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:27,777 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:27,794 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 21:02:27,977 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,SelfDestructingSolverStorable27 [2024-10-11 21:02:27,977 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:27,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:27,977 INFO L85 PathProgramCache]: Analyzing trace with hash 73690207, now seen corresponding path program 1 times [2024-10-11 21:02:27,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:27,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020261128] [2024-10-11 21:02:27,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:27,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:27,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [659749064] [2024-10-11 21:02:27,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:27,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:27,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:28,000 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 21:02:28,001 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 21:02:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:28,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 21:02:28,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:28,336 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:28,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:29,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:29,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020261128] [2024-10-11 21:02:29,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:29,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659749064] [2024-10-11 21:02:29,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659749064] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:29,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:29,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 21:02:29,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883142081] [2024-10-11 21:02:29,069 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:29,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:02:29,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:29,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:02:29,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:02:29,070 INFO L87 Difference]: Start difference. First operand 375 states and 474 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:29,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:29,462 INFO L93 Difference]: Finished difference Result 398 states and 501 transitions. [2024-10-11 21:02:29,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 21:02:29,462 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2024-10-11 21:02:29,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:29,463 INFO L225 Difference]: With dead ends: 398 [2024-10-11 21:02:29,463 INFO L226 Difference]: Without dead ends: 397 [2024-10-11 21:02:29,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-10-11 21:02:29,464 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 161 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:29,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 267 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:02:29,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-11 21:02:29,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 382. [2024-10-11 21:02:29,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 330 states have (on average 1.378787878787879) internal successors, (455), 366 states have internal predecessors, (455), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 21:02:29,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 481 transitions. [2024-10-11 21:02:29,484 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 481 transitions. Word has length 49 [2024-10-11 21:02:29,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:29,484 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 481 transitions. [2024-10-11 21:02:29,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:02:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 481 transitions. [2024-10-11 21:02:29,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-11 21:02:29,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:29,485 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 21:02:29,502 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 21:02:29,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 21:02:29,686 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:29,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1063504981, now seen corresponding path program 1 times [2024-10-11 21:02:29,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:29,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307990398] [2024-10-11 21:02:29,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:29,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:29,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1259296314] [2024-10-11 21:02:29,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:29,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:29,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:29,714 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 21:02:29,717 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 21:02:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:29,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 21:02:29,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:29,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:30,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:30,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307990398] [2024-10-11 21:02:30,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:30,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259296314] [2024-10-11 21:02:30,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259296314] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:30,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:30,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 21:02:30,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623484109] [2024-10-11 21:02:30,511 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:30,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:02:30,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:30,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:02:30,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2024-10-11 21:02:30,512 INFO L87 Difference]: Start difference. First operand 382 states and 481 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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 21:02:30,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:30,825 INFO L93 Difference]: Finished difference Result 442 states and 574 transitions. [2024-10-11 21:02:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 21:02:30,825 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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 50 [2024-10-11 21:02:30,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:30,827 INFO L225 Difference]: With dead ends: 442 [2024-10-11 21:02:30,827 INFO L226 Difference]: Without dead ends: 433 [2024-10-11 21:02:30,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=171, Unknown=1, NotChecked=0, Total=240 [2024-10-11 21:02:30,827 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 136 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:30,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 95 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:02:30,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-10-11 21:02:30,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 365. [2024-10-11 21:02:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 322 states have (on average 1.326086956521739) internal successors, (427), 349 states have internal predecessors, (427), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 21:02:30,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 453 transitions. [2024-10-11 21:02:30,848 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 453 transitions. Word has length 50 [2024-10-11 21:02:30,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:30,848 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 453 transitions. [2024-10-11 21:02:30,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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 21:02:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 453 transitions. [2024-10-11 21:02:30,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 21:02:30,849 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:30,849 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:30,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 21:02:31,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:31,049 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:31,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:31,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1391084007, now seen corresponding path program 1 times [2024-10-11 21:02:31,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:31,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670925751] [2024-10-11 21:02:31,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:31,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:31,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970664272] [2024-10-11 21:02:31,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:31,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:31,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:31,072 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 21:02:31,073 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 21:02:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:31,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 21:02:31,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:31,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:32,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:32,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670925751] [2024-10-11 21:02:32,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:32,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970664272] [2024-10-11 21:02:32,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970664272] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:02:32,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:02:32,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2024-10-11 21:02:32,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990169947] [2024-10-11 21:02:32,775 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:32,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 21:02:32,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:32,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 21:02:32,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:02:32,776 INFO L87 Difference]: Start difference. First operand 365 states and 453 transitions. Second operand has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 14 states have internal predecessors, (71), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 21:02:42,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-11 21:02:48,644 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 [1] [2024-10-11 21:02:52,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:52,759 INFO L93 Difference]: Finished difference Result 927 states and 1240 transitions. [2024-10-11 21:02:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 21:02:52,760 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 14 states have internal predecessors, (71), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2024-10-11 21:02:52,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:52,763 INFO L225 Difference]: With dead ends: 927 [2024-10-11 21:02:52,763 INFO L226 Difference]: Without dead ends: 892 [2024-10-11 21:02:52,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=280, Invalid=776, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 21:02:52,764 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 838 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 109 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:52,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 166 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1128 Invalid, 1 Unknown, 0 Unchecked, 15.2s Time] [2024-10-11 21:02:52,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2024-10-11 21:02:52,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 686. [2024-10-11 21:02:52,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 635 states have (on average 1.3433070866141732) internal successors, (853), 661 states have internal predecessors, (853), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 21:02:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 897 transitions. [2024-10-11 21:02:52,807 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 897 transitions. Word has length 51 [2024-10-11 21:02:52,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:52,807 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 897 transitions. [2024-10-11 21:02:52,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 14 states have internal predecessors, (71), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 21:02:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 897 transitions. [2024-10-11 21:02:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 21:02:52,808 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:52,808 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:52,825 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 21:02:53,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:53,009 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:53,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:53,009 INFO L85 PathProgramCache]: Analyzing trace with hash 173931309, now seen corresponding path program 1 times [2024-10-11 21:02:53,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:53,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395572083] [2024-10-11 21:02:53,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:53,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900450492] [2024-10-11 21:02:53,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:53,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:53,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:53,024 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 21:02:53,025 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 21:02:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:53,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 21:02:53,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:53,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:53,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:53,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395572083] [2024-10-11 21:02:53,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:53,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900450492] [2024-10-11 21:02:53,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900450492] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:53,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:53,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 21:02:53,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642285822] [2024-10-11 21:02:53,940 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:53,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:02:53,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:53,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:02:53,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-11 21:02:53,941 INFO L87 Difference]: Start difference. First operand 686 states and 897 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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 21:02:54,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:54,274 INFO L93 Difference]: Finished difference Result 796 states and 1050 transitions. [2024-10-11 21:02:54,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 21:02:54,274 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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 52 [2024-10-11 21:02:54,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:54,276 INFO L225 Difference]: With dead ends: 796 [2024-10-11 21:02:54,276 INFO L226 Difference]: Without dead ends: 791 [2024-10-11 21:02:54,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:02:54,277 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 185 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:54,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 58 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:02:54,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2024-10-11 21:02:54,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 655. [2024-10-11 21:02:54,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 610 states have (on average 1.3032786885245902) internal successors, (795), 631 states have internal predecessors, (795), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 21:02:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 837 transitions. [2024-10-11 21:02:54,318 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 837 transitions. Word has length 52 [2024-10-11 21:02:54,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:54,319 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 837 transitions. [2024-10-11 21:02:54,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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 21:02:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 837 transitions. [2024-10-11 21:02:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 21:02:54,319 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:54,319 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-11 21:02:54,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-11 21:02:54,520 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,SelfDestructingSolverStorable31 [2024-10-11 21:02:54,520 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-10-11 21:02:54,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:54,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1096903337, now seen corresponding path program 1 times [2024-10-11 21:02:54,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:54,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098145335] [2024-10-11 21:02:54,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:54,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:54,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909081706] [2024-10-11 21:02:54,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:54,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:54,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:54,542 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 21:02:54,543 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 21:02:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:54,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 21:02:54,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:54,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:57,463 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 21:02:57,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:57,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098145335] [2024-10-11 21:02:57,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:57,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909081706] [2024-10-11 21:02:57,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909081706] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:02:57,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:02:57,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2024-10-11 21:02:57,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924382756] [2024-10-11 21:02:57,464 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:57,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 21:02:57,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:57,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 21:02:57,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:02:57,467 INFO L87 Difference]: Start difference. First operand 655 states and 837 transitions. Second operand has 16 states, 15 states have (on average 5.0) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 21:03:03,220 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 [1]