./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/ps5-ll_unwindbound2.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/ps5-ll_unwindbound2.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 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:07:37,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:07:37,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:07:37,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:07:37,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:07:37,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:07:37,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:07:37,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:07:37,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:07:37,483 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:07:37,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:07:37,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:07:37,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:07:37,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:07:37,485 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:07:37,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:07:37,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:07:37,491 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:07:37,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:07:37,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:07:37,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:07:37,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:07:37,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:07:37,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:07:37,493 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:07:37,496 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:07:37,496 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:07:37,496 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:07:37,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:07:37,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:07:37,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:07:37,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:07:37,498 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:07:37,498 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:07:37,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:07:37,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:07:37,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:07:37,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:07:37,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:07:37,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:07:37,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:07:37,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:07:37,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:07:37,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:07:37,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 [2024-10-11 21:07:37,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:07:37,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:07:37,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:07:37,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:07:37,756 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:07:37,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2024-10-11 21:07:39,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:07:39,307 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:07:39,307 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2024-10-11 21:07:39,315 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/76d64d2e9/f52c0684514d4eaf81b05d9d371c96da/FLAG339273cae [2024-10-11 21:07:39,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/76d64d2e9/f52c0684514d4eaf81b05d9d371c96da [2024-10-11 21:07:39,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:07:39,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:07:39,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:07:39,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:07:39,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:07:39,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:39,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1ecdcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39, skipping insertion in model container [2024-10-11 21:07:39,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:39,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:07:39,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:07:39,937 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:07:39,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:07:39,972 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:07:39,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39 WrapperNode [2024-10-11 21:07:39,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:07:39,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:07:39,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:07:39,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:07:39,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:39,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,015 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-10-11 21:07:40,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:07:40,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:07:40,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:07:40,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:07:40,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,041 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 21:07:40,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:07:40,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:07:40,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:07:40,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:07:40,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (1/1) ... [2024-10-11 21:07:40,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:07:40,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:07:40,090 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 21:07:40,093 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 21:07:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:07:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:07:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:07:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:07:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 21:07:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 21:07:40,196 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:07:40,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:07:40,670 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-10-11 21:07:40,671 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:07:40,707 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:07:40,707 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 21:07:40,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:07:40 BoogieIcfgContainer [2024-10-11 21:07:40,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:07:40,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:07:40,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:07:40,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:07:40,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:07:39" (1/3) ... [2024-10-11 21:07:40,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2267f3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:07:40, skipping insertion in model container [2024-10-11 21:07:40,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:07:39" (2/3) ... [2024-10-11 21:07:40,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2267f3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:07:40, skipping insertion in model container [2024-10-11 21:07:40,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:07:40" (3/3) ... [2024-10-11 21:07:40,716 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound2.c [2024-10-11 21:07:40,732 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:07:40,732 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-10-11 21:07:40,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:07:40,804 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;@680e241c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:07:40,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-10-11 21:07:40,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 96 states have (on average 1.9479166666666667) internal successors, (187), 182 states have internal predecessors, (187), 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 21:07:40,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 21:07:40,813 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:40,813 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 21:07:40,814 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:40,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:40,817 INFO L85 PathProgramCache]: Analyzing trace with hash 238429960, now seen corresponding path program 1 times [2024-10-11 21:07:40,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:40,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898976031] [2024-10-11 21:07:40,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:40,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:40,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:40,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898976031] [2024-10-11 21:07:40,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898976031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:40,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:40,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:07:40,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878959540] [2024-10-11 21:07:40,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:40,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 21:07:40,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:40,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 21:07:40,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 21:07:40,992 INFO L87 Difference]: Start difference. First operand has 187 states, 96 states have (on average 1.9479166666666667) internal successors, (187), 182 states have internal predecessors, (187), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:41,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:41,032 INFO L93 Difference]: Finished difference Result 359 states and 386 transitions. [2024-10-11 21:07:41,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 21:07:41,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 21:07:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:41,041 INFO L225 Difference]: With dead ends: 359 [2024-10-11 21:07:41,041 INFO L226 Difference]: Without dead ends: 171 [2024-10-11 21:07:41,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 21:07:41,047 INFO L432 NwaCegarLoop]: 175 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, 175 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 21:07:41,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:07:41,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-11 21:07:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-10-11 21:07:41,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 95 states have (on average 1.7789473684210526) internal successors, (169), 167 states have internal predecessors, (169), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:07:41,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-10-11 21:07:41,088 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 5 [2024-10-11 21:07:41,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:41,089 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-10-11 21:07:41,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-10-11 21:07:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 21:07:41,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:41,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 21:07:41,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:07:41,091 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:41,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:41,092 INFO L85 PathProgramCache]: Analyzing trace with hash 238486053, now seen corresponding path program 1 times [2024-10-11 21:07:41,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:41,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63028134] [2024-10-11 21:07:41,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:41,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:41,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:41,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63028134] [2024-10-11 21:07:41,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63028134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:41,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:41,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:07:41,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872663455] [2024-10-11 21:07:41,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:41,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:07:41,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:41,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:07:41,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:07:41,186 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:41,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:41,262 INFO L93 Difference]: Finished difference Result 252 states and 254 transitions. [2024-10-11 21:07:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:07:41,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 21:07:41,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:41,265 INFO L225 Difference]: With dead ends: 252 [2024-10-11 21:07:41,265 INFO L226 Difference]: Without dead ends: 175 [2024-10-11 21:07:41,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:07:41,271 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 4 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:41,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 500 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:07:41,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-11 21:07:41,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-10-11 21:07:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 99 states have (on average 1.7474747474747474) internal successors, (173), 171 states have internal predecessors, (173), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:07:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 177 transitions. [2024-10-11 21:07:41,287 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 177 transitions. Word has length 5 [2024-10-11 21:07:41,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:41,287 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 177 transitions. [2024-10-11 21:07:41,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 177 transitions. [2024-10-11 21:07:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 21:07:41,288 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:41,288 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:07:41,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 21:07:41,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:41,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:41,290 INFO L85 PathProgramCache]: Analyzing trace with hash 862145165, now seen corresponding path program 1 times [2024-10-11 21:07:41,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:41,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618836010] [2024-10-11 21:07:41,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:41,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:41,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:41,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:41,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618836010] [2024-10-11 21:07:41,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618836010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:41,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:41,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:07:41,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119881022] [2024-10-11 21:07:41,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:41,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:07:41,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:41,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:07:41,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:07:41,353 INFO L87 Difference]: Start difference. First operand 175 states and 177 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:41,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:41,776 INFO L93 Difference]: Finished difference Result 311 states and 323 transitions. [2024-10-11 21:07:41,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:07:41,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 21:07:41,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:41,779 INFO L225 Difference]: With dead ends: 311 [2024-10-11 21:07:41,779 INFO L226 Difference]: Without dead ends: 255 [2024-10-11 21:07:41,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:07:41,781 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:41,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 124 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:07:41,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-11 21:07:41,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2024-10-11 21:07:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 172 states have (on average 1.5116279069767442) internal successors, (260), 244 states have internal predecessors, (260), 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 21:07:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2024-10-11 21:07:41,806 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 8 [2024-10-11 21:07:41,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:41,807 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2024-10-11 21:07:41,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2024-10-11 21:07:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 21:07:41,808 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:41,808 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:41,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 21:07:41,812 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:41,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:41,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1590441751, now seen corresponding path program 1 times [2024-10-11 21:07:41,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:41,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130178350] [2024-10-11 21:07:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:41,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:41,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130178350] [2024-10-11 21:07:41,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130178350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:41,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:41,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:07:41,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558262687] [2024-10-11 21:07:41,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:41,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:07:41,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:41,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:07:41,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:07:41,955 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:42,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:42,036 INFO L93 Difference]: Finished difference Result 268 states and 280 transitions. [2024-10-11 21:07:42,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:07:42,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-10-11 21:07:42,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:42,038 INFO L225 Difference]: With dead ends: 268 [2024-10-11 21:07:42,038 INFO L226 Difference]: Without dead ends: 263 [2024-10-11 21:07:42,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:07:42,039 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:42,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 293 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:07:42,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-10-11 21:07:42,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-10-11 21:07:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 179 states have (on average 1.4916201117318435) internal successors, (267), 251 states have internal predecessors, (267), 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 21:07:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-10-11 21:07:42,050 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 36 [2024-10-11 21:07:42,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:42,050 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-10-11 21:07:42,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-10-11 21:07:42,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 21:07:42,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:42,052 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:42,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 21:07:42,052 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:42,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:42,052 INFO L85 PathProgramCache]: Analyzing trace with hash 593838283, now seen corresponding path program 1 times [2024-10-11 21:07:42,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:42,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082892233] [2024-10-11 21:07:42,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:42,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:42,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:42,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082892233] [2024-10-11 21:07:42,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082892233] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:42,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:42,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:07:42,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069689474] [2024-10-11 21:07:42,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:42,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:07:42,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:42,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:07:42,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:07:42,237 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:42,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:42,619 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2024-10-11 21:07:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:07:42,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-10-11 21:07:42,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:42,621 INFO L225 Difference]: With dead ends: 267 [2024-10-11 21:07:42,622 INFO L226 Difference]: Without dead ends: 262 [2024-10-11 21:07:42,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:07:42,623 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 84 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:42,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 251 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:07:42,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-11 21:07:42,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 256. [2024-10-11 21:07:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 179 states have (on average 1.4636871508379887) internal successors, (262), 251 states have internal predecessors, (262), 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 21:07:42,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 268 transitions. [2024-10-11 21:07:42,634 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 268 transitions. Word has length 38 [2024-10-11 21:07:42,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:42,634 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 268 transitions. [2024-10-11 21:07:42,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 268 transitions. [2024-10-11 21:07:42,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 21:07:42,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:42,636 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:42,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 21:07:42,636 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:42,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:42,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1229117706, now seen corresponding path program 1 times [2024-10-11 21:07:42,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:42,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142969690] [2024-10-11 21:07:42,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:42,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:42,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:42,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:42,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142969690] [2024-10-11 21:07:42,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142969690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:42,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:42,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:07:42,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056521380] [2024-10-11 21:07:42,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:42,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:07:42,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:42,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:07:42,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:07:42,740 INFO L87 Difference]: Start difference. First operand 256 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:42,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:42,885 INFO L93 Difference]: Finished difference Result 266 states and 270 transitions. [2024-10-11 21:07:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:07:42,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-10-11 21:07:42,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:42,887 INFO L225 Difference]: With dead ends: 266 [2024-10-11 21:07:42,887 INFO L226 Difference]: Without dead ends: 228 [2024-10-11 21:07:42,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:07:42,888 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 128 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:42,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 243 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:07:42,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-11 21:07:42,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-10-11 21:07:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 145 states have (on average 1.5448275862068965) internal successors, (224), 217 states have internal predecessors, (224), 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 21:07:42,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 230 transitions. [2024-10-11 21:07:42,898 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 230 transitions. Word has length 39 [2024-10-11 21:07:42,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:42,898 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 230 transitions. [2024-10-11 21:07:42,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:07:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 230 transitions. [2024-10-11 21:07:42,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 21:07:42,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:42,900 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:42,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 21:07:42,900 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:42,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:42,901 INFO L85 PathProgramCache]: Analyzing trace with hash -396838182, now seen corresponding path program 1 times [2024-10-11 21:07:42,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:42,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273534843] [2024-10-11 21:07:42,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:42,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:42,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:07:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:42,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:42,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273534843] [2024-10-11 21:07:42,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273534843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:42,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:42,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:07:42,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557851674] [2024-10-11 21:07:42,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:42,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:07:42,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:42,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:07:42,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:07:42,977 INFO L87 Difference]: Start difference. First operand 222 states and 230 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:42,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:42,994 INFO L93 Difference]: Finished difference Result 224 states and 230 transitions. [2024-10-11 21:07:42,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:07:42,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2024-10-11 21:07:42,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:42,996 INFO L225 Difference]: With dead ends: 224 [2024-10-11 21:07:42,996 INFO L226 Difference]: Without dead ends: 222 [2024-10-11 21:07:42,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:07:42,997 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:42,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 334 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:07:42,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-11 21:07:43,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-10-11 21:07:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 145 states have (on average 1.5310344827586206) internal successors, (222), 217 states have internal predecessors, (222), 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 21:07:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 228 transitions. [2024-10-11 21:07:43,009 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 228 transitions. Word has length 48 [2024-10-11 21:07:43,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:43,011 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 228 transitions. [2024-10-11 21:07:43,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:43,011 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 228 transitions. [2024-10-11 21:07:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 21:07:43,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:43,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:43,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 21:07:43,014 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:43,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1870693805, now seen corresponding path program 1 times [2024-10-11 21:07:43,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:43,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268776802] [2024-10-11 21:07:43,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:43,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:07:43,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1572955380] [2024-10-11 21:07:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:43,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:43,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:07:43,050 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 21:07:43,052 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 21:07:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:43,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:07:43,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:07:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:43,246 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:07:43,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:43,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268776802] [2024-10-11 21:07:43,247 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:07:43,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572955380] [2024-10-11 21:07:43,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572955380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:43,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:43,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:07:43,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383614268] [2024-10-11 21:07:43,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:43,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:07:43,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:43,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:07:43,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:07:43,251 INFO L87 Difference]: Start difference. First operand 222 states and 228 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:43,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:43,611 INFO L93 Difference]: Finished difference Result 366 states and 383 transitions. [2024-10-11 21:07:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:07:43,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2024-10-11 21:07:43,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:43,618 INFO L225 Difference]: With dead ends: 366 [2024-10-11 21:07:43,619 INFO L226 Difference]: Without dead ends: 312 [2024-10-11 21:07:43,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:07:43,620 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 96 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:43,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 152 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:07:43,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-10-11 21:07:43,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2024-10-11 21:07:43,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 225 states have (on average 1.4177777777777778) internal successors, (319), 297 states have internal predecessors, (319), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:07:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 329 transitions. [2024-10-11 21:07:43,629 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 329 transitions. Word has length 53 [2024-10-11 21:07:43,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:43,629 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 329 transitions. [2024-10-11 21:07:43,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:43,630 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 329 transitions. [2024-10-11 21:07:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 21:07:43,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:43,631 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:43,646 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 21:07:43,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:43,836 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:43,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:43,836 INFO L85 PathProgramCache]: Analyzing trace with hash 614294739, now seen corresponding path program 1 times [2024-10-11 21:07:43,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:43,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527253208] [2024-10-11 21:07:43,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:43,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:43,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:07:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:43,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:43,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527253208] [2024-10-11 21:07:43,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527253208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:43,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:43,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:07:43,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091123932] [2024-10-11 21:07:43,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:43,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:07:43,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:43,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:07:43,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:07:43,933 INFO L87 Difference]: Start difference. First operand 304 states and 329 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:48,097 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 [] [2024-10-11 21:07:52,193 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 [] [2024-10-11 21:07:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:52,247 INFO L93 Difference]: Finished difference Result 305 states and 329 transitions. [2024-10-11 21:07:52,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:07:52,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2024-10-11 21:07:52,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:52,249 INFO L225 Difference]: With dead ends: 305 [2024-10-11 21:07:52,249 INFO L226 Difference]: Without dead ends: 304 [2024-10-11 21:07:52,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 21:07:52,250 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 42 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:52,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 298 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-10-11 21:07:52,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-11 21:07:52,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-10-11 21:07:52,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 225 states have (on average 1.4133333333333333) internal successors, (318), 297 states have internal predecessors, (318), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:07:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 328 transitions. [2024-10-11 21:07:52,259 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 328 transitions. Word has length 59 [2024-10-11 21:07:52,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:52,260 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 328 transitions. [2024-10-11 21:07:52,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 328 transitions. [2024-10-11 21:07:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 21:07:52,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:52,261 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:07:52,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 21:07:52,261 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:52,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:52,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1926726037, now seen corresponding path program 1 times [2024-10-11 21:07:52,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:52,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975858290] [2024-10-11 21:07:52,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:52,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:52,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:07:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:52,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:52,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975858290] [2024-10-11 21:07:52,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975858290] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:07:52,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031158589] [2024-10-11 21:07:52,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:52,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:52,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:07:52,410 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 21:07:52,411 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 21:07:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:52,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:07:52,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:07:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:52,585 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:07:52,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031158589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:52,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:07:52,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 21:07:52,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602001129] [2024-10-11 21:07:52,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:52,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:07:52,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:52,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:07:52,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:07:52,588 INFO L87 Difference]: Start difference. First operand 304 states and 328 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:52,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:52,616 INFO L93 Difference]: Finished difference Result 304 states and 328 transitions. [2024-10-11 21:07:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:07:52,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2024-10-11 21:07:52,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:52,618 INFO L225 Difference]: With dead ends: 304 [2024-10-11 21:07:52,618 INFO L226 Difference]: Without dead ends: 303 [2024-10-11 21:07:52,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:07:52,619 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 119 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:52,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 495 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:07:52,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-11 21:07:52,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2024-10-11 21:07:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 225 states have (on average 1.4044444444444444) internal successors, (316), 296 states have internal predecessors, (316), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:07:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 326 transitions. [2024-10-11 21:07:52,630 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 326 transitions. Word has length 61 [2024-10-11 21:07:52,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:52,631 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 326 transitions. [2024-10-11 21:07:52,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:52,631 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 326 transitions. [2024-10-11 21:07:52,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 21:07:52,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:52,633 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:07:52,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 21:07:52,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:52,833 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:52,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:52,834 INFO L85 PathProgramCache]: Analyzing trace with hash -401034949, now seen corresponding path program 1 times [2024-10-11 21:07:52,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:52,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127788463] [2024-10-11 21:07:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:52,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:07:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:52,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:52,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127788463] [2024-10-11 21:07:52,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127788463] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:07:52,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664261277] [2024-10-11 21:07:52,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:52,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:52,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:07:52,944 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 21:07:52,945 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 21:07:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:53,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:07:53,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:07:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:53,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:07:53,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664261277] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:53,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:07:53,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 21:07:53,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607018085] [2024-10-11 21:07:53,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:53,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:07:53,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:53,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:07:53,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:07:53,122 INFO L87 Difference]: Start difference. First operand 303 states and 326 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:53,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:53,173 INFO L93 Difference]: Finished difference Result 415 states and 445 transitions. [2024-10-11 21:07:53,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:07:53,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-10-11 21:07:53,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:53,175 INFO L225 Difference]: With dead ends: 415 [2024-10-11 21:07:53,175 INFO L226 Difference]: Without dead ends: 414 [2024-10-11 21:07:53,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:07:53,176 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 117 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:53,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 778 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:07:53,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-11 21:07:53,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 376. [2024-10-11 21:07:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 296 states have (on average 1.4189189189189189) internal successors, (420), 368 states have internal predecessors, (420), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 21:07:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 434 transitions. [2024-10-11 21:07:53,189 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 434 transitions. Word has length 62 [2024-10-11 21:07:53,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:53,190 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 434 transitions. [2024-10-11 21:07:53,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 434 transitions. [2024-10-11 21:07:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 21:07:53,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:53,194 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:07:53,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 21:07:53,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:53,395 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:53,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:53,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2065179616, now seen corresponding path program 1 times [2024-10-11 21:07:53,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:53,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164368118] [2024-10-11 21:07:53,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:53,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:53,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:07:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:53,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:53,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164368118] [2024-10-11 21:07:53,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164368118] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:07:53,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208239817] [2024-10-11 21:07:53,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:53,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:53,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:07:53,514 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 21:07:53,516 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 21:07:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:53,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:07:53,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:07:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:53,676 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:07:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:53,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208239817] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:07:53,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:07:53,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 9 [2024-10-11 21:07:53,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522251108] [2024-10-11 21:07:53,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:07:53,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:07:53,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:53,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:07:53,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:07:53,802 INFO L87 Difference]: Start difference. First operand 376 states and 434 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:07:53,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:53,852 INFO L93 Difference]: Finished difference Result 394 states and 443 transitions. [2024-10-11 21:07:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:07:53,853 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 92 [2024-10-11 21:07:53,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:53,856 INFO L225 Difference]: With dead ends: 394 [2024-10-11 21:07:53,857 INFO L226 Difference]: Without dead ends: 345 [2024-10-11 21:07:53,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 179 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:07:53,859 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 7 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:53,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 823 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:07:53,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-11 21:07:53,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-10-11 21:07:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 265 states have (on average 1.441509433962264) internal successors, (382), 336 states have internal predecessors, (382), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:07:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 394 transitions. [2024-10-11 21:07:53,870 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 394 transitions. Word has length 92 [2024-10-11 21:07:53,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:53,870 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 394 transitions. [2024-10-11 21:07:53,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:07:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 394 transitions. [2024-10-11 21:07:53,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 21:07:53,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:53,874 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:07:53,890 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 21:07:54,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 21:07:54,078 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:54,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:54,078 INFO L85 PathProgramCache]: Analyzing trace with hash 761224057, now seen corresponding path program 1 times [2024-10-11 21:07:54,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:54,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743460976] [2024-10-11 21:07:54,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:54,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:07:54,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156670741] [2024-10-11 21:07:54,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:54,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:54,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:07:54,104 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 21:07:54,106 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 21:07:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:54,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:07:54,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:07:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-11 21:07:54,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:07:54,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:54,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743460976] [2024-10-11 21:07:54,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:07:54,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156670741] [2024-10-11 21:07:54,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156670741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:07:54,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:07:54,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:07:54,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465929098] [2024-10-11 21:07:54,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:54,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:07:54,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:54,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:07:54,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:07:54,316 INFO L87 Difference]: Start difference. First operand 345 states and 394 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:54,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:54,380 INFO L93 Difference]: Finished difference Result 345 states and 394 transitions. [2024-10-11 21:07:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:07:54,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 92 [2024-10-11 21:07:54,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:54,383 INFO L225 Difference]: With dead ends: 345 [2024-10-11 21:07:54,383 INFO L226 Difference]: Without dead ends: 342 [2024-10-11 21:07:54,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:07:54,383 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 96 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:54,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 148 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:07:54,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-11 21:07:54,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-10-11 21:07:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 265 states have (on average 1.4188679245283018) internal successors, (376), 333 states have internal predecessors, (376), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:07:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 388 transitions. [2024-10-11 21:07:54,396 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 388 transitions. Word has length 92 [2024-10-11 21:07:54,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:54,396 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 388 transitions. [2024-10-11 21:07:54,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:07:54,396 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 388 transitions. [2024-10-11 21:07:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 21:07:54,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:54,399 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:07:54,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 21:07:54,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 21:07:54,600 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:54,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:54,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2123109400, now seen corresponding path program 1 times [2024-10-11 21:07:54,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:54,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650738201] [2024-10-11 21:07:54,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:54,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:07:54,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1365213438] [2024-10-11 21:07:54,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:54,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:54,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:07:54,620 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 21:07:54,622 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 21:07:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:54,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:07:54,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:07:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:54,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:07:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:55,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:55,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650738201] [2024-10-11 21:07:55,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:07:55,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365213438] [2024-10-11 21:07:55,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365213438] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:07:55,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:07:55,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-11 21:07:55,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101525905] [2024-10-11 21:07:55,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:07:55,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:07:55,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:55,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:07:55,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:07:55,128 INFO L87 Difference]: Start difference. First operand 342 states and 388 transitions. Second operand has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:07:55,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:07:55,929 INFO L93 Difference]: Finished difference Result 471 states and 514 transitions. [2024-10-11 21:07:55,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:07:55,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 93 [2024-10-11 21:07:55,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:07:55,931 INFO L225 Difference]: With dead ends: 471 [2024-10-11 21:07:55,931 INFO L226 Difference]: Without dead ends: 464 [2024-10-11 21:07:55,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:07:55,932 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 288 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 21:07:55,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 364 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 21:07:55,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-10-11 21:07:55,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 414. [2024-10-11 21:07:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 337 states have (on average 1.459940652818991) internal successors, (492), 405 states have internal predecessors, (492), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:07:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 504 transitions. [2024-10-11 21:07:55,946 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 504 transitions. Word has length 93 [2024-10-11 21:07:55,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:07:55,946 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 504 transitions. [2024-10-11 21:07:55,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:07:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 504 transitions. [2024-10-11 21:07:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-11 21:07:55,947 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:07:55,947 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:07:55,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 21:07:56,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 21:07:56,152 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:07:56,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:07:56,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1391882075, now seen corresponding path program 1 times [2024-10-11 21:07:56,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:07:56,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149337482] [2024-10-11 21:07:56,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:56,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:07:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:07:56,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [284170285] [2024-10-11 21:07:56,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:07:56,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:07:56,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:07:56,184 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 21:07:56,186 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 21:07:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:07:56,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 21:07:56,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:07:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:56,506 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:07:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:07:59,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:07:59,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149337482] [2024-10-11 21:07:59,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:07:59,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284170285] [2024-10-11 21:07:59,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284170285] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 21:07:59,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:07:59,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-10-11 21:07:59,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273975567] [2024-10-11 21:07:59,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:07:59,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:07:59,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:07:59,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:07:59,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:07:59,260 INFO L87 Difference]: Start difference. First operand 414 states and 504 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:08:03,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:08,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:10,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:14,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:19,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:21,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:23,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:26,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:28,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:32,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:35,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:37,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:40,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:44,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:44,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:08:44,287 INFO L93 Difference]: Finished difference Result 414 states and 504 transitions. [2024-10-11 21:08:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:08:44,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 94 [2024-10-11 21:08:44,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:08:44,289 INFO L225 Difference]: With dead ends: 414 [2024-10-11 21:08:44,290 INFO L226 Difference]: Without dead ends: 412 [2024-10-11 21:08:44,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:08:44,290 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 212 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:08:44,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 54 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 461 Invalid, 6 Unknown, 0 Unchecked, 45.0s Time] [2024-10-11 21:08:44,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-11 21:08:44,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2024-10-11 21:08:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 337 states have (on average 1.4451038575667656) internal successors, (487), 403 states have internal predecessors, (487), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:08:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 499 transitions. [2024-10-11 21:08:44,306 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 499 transitions. Word has length 94 [2024-10-11 21:08:44,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:08:44,307 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 499 transitions. [2024-10-11 21:08:44,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:08:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 499 transitions. [2024-10-11 21:08:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-11 21:08:44,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:08:44,308 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:08:44,326 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 21:08:44,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:44,509 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:08:44,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:08:44,510 INFO L85 PathProgramCache]: Analyzing trace with hash 198671482, now seen corresponding path program 1 times [2024-10-11 21:08:44,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:08:44,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743903246] [2024-10-11 21:08:44,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:08:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:08:44,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535019010] [2024-10-11 21:08:44,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:44,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:44,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:08:44,541 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 21:08:44,544 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 21:08:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:44,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:08:44,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:08:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:08:44,758 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:08:44,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:08:44,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743903246] [2024-10-11 21:08:44,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:08:44,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535019010] [2024-10-11 21:08:44,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535019010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:08:44,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:08:44,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 21:08:44,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849495519] [2024-10-11 21:08:44,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:08:44,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:08:44,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:08:44,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:08:44,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:08:44,760 INFO L87 Difference]: Start difference. First operand 412 states and 499 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:08:45,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:08:45,085 INFO L93 Difference]: Finished difference Result 415 states and 499 transitions. [2024-10-11 21:08:45,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:08:45,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 95 [2024-10-11 21:08:45,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:08:45,087 INFO L225 Difference]: With dead ends: 415 [2024-10-11 21:08:45,087 INFO L226 Difference]: Without dead ends: 395 [2024-10-11 21:08:45,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:08:45,088 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 178 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:08:45,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 47 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:08:45,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-11 21:08:45,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-10-11 21:08:45,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 337 states have (on average 1.314540059347181) internal successors, (443), 386 states have internal predecessors, (443), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:08:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 455 transitions. [2024-10-11 21:08:45,101 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 455 transitions. Word has length 95 [2024-10-11 21:08:45,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:08:45,102 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 455 transitions. [2024-10-11 21:08:45,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:08:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 455 transitions. [2024-10-11 21:08:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-11 21:08:45,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:08:45,103 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:08:45,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 21:08:45,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 21:08:45,304 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:08:45,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:08:45,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1863848765, now seen corresponding path program 1 times [2024-10-11 21:08:45,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:08:45,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185084599] [2024-10-11 21:08:45,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:45,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:08:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:08:45,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622990280] [2024-10-11 21:08:45,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:45,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:45,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:08:45,327 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 21:08:45,329 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 21:08:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:45,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:08:45,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:08:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:08:45,651 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:08:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-11 21:08:45,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:08:45,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185084599] [2024-10-11 21:08:45,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:08:45,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622990280] [2024-10-11 21:08:45,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622990280] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 21:08:45,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:08:45,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-11 21:08:45,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506275609] [2024-10-11 21:08:45,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:08:45,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:08:45,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:08:45,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:08:45,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:08:45,875 INFO L87 Difference]: Start difference. First operand 395 states and 455 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:08:53,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:08:54,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:08:54,236 INFO L93 Difference]: Finished difference Result 395 states and 455 transitions. [2024-10-11 21:08:54,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:08:54,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 96 [2024-10-11 21:08:54,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:08:54,238 INFO L225 Difference]: With dead ends: 395 [2024-10-11 21:08:54,238 INFO L226 Difference]: Without dead ends: 393 [2024-10-11 21:08:54,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:08:54,239 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 83 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:08:54,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 43 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 293 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2024-10-11 21:08:54,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-10-11 21:08:54,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-10-11 21:08:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 337 states have (on average 1.2997032640949555) internal successors, (438), 384 states have internal predecessors, (438), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:08:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 450 transitions. [2024-10-11 21:08:54,252 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 450 transitions. Word has length 96 [2024-10-11 21:08:54,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:08:54,253 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 450 transitions. [2024-10-11 21:08:54,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:08:54,253 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 450 transitions. [2024-10-11 21:08:54,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 21:08:54,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:08:54,254 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:08:54,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 21:08:54,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 21:08:54,455 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:08:54,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:08:54,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1869411690, now seen corresponding path program 1 times [2024-10-11 21:08:54,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:08:54,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430960508] [2024-10-11 21:08:54,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:54,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:08:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:54,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:08:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:54,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 21:08:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:08:54,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:08:54,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430960508] [2024-10-11 21:08:54,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430960508] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:08:54,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296125540] [2024-10-11 21:08:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:54,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:54,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:08:54,561 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 21:08:54,562 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 21:08:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:54,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:08:54,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:08:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:08:54,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:08:54,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296125540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:08:54,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:08:54,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-11 21:08:54,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322445187] [2024-10-11 21:08:54,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:08:54,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:08:54,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:08:54,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:08:54,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:08:54,720 INFO L87 Difference]: Start difference. First operand 393 states and 450 transitions. Second operand has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:08:54,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:08:54,743 INFO L93 Difference]: Finished difference Result 414 states and 456 transitions. [2024-10-11 21:08:54,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:08:54,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 104 [2024-10-11 21:08:54,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:08:54,745 INFO L225 Difference]: With dead ends: 414 [2024-10-11 21:08:54,745 INFO L226 Difference]: Without dead ends: 413 [2024-10-11 21:08:54,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 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 21:08:54,747 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 167 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:08:54,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 316 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:08:54,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-10-11 21:08:54,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 392. [2024-10-11 21:08:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 337 states have (on average 1.2937685459940653) internal successors, (436), 383 states have internal predecessors, (436), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:08:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 448 transitions. [2024-10-11 21:08:54,765 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 448 transitions. Word has length 104 [2024-10-11 21:08:54,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:08:54,765 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 448 transitions. [2024-10-11 21:08:54,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:08:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 448 transitions. [2024-10-11 21:08:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 21:08:54,767 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:08:54,767 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:08:54,784 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 21:08:54,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 21:08:54,968 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:08:54,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:08:54,968 INFO L85 PathProgramCache]: Analyzing trace with hash 2117187673, now seen corresponding path program 1 times [2024-10-11 21:08:54,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:08:54,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546752932] [2024-10-11 21:08:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:08:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:55,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:08:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:55,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 21:08:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:08:55,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:08:55,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546752932] [2024-10-11 21:08:55,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546752932] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:08:55,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458374222] [2024-10-11 21:08:55,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:55,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:55,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:08:55,048 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 21:08:55,051 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 21:08:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:55,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:08:55,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:08:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:08:55,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:08:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:08:55,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458374222] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:08:55,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:08:55,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-11 21:08:55,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647878212] [2024-10-11 21:08:55,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:08:55,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:08:55,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:08:55,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:08:55,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:08:55,370 INFO L87 Difference]: Start difference. First operand 392 states and 448 transitions. Second operand has 7 states, 6 states have (on average 38.833333333333336) internal successors, (233), 7 states have internal predecessors, (233), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:08:55,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:08:55,430 INFO L93 Difference]: Finished difference Result 583 states and 611 transitions. [2024-10-11 21:08:55,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:08:55,430 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 38.833333333333336) internal successors, (233), 7 states have internal predecessors, (233), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 105 [2024-10-11 21:08:55,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:08:55,432 INFO L225 Difference]: With dead ends: 583 [2024-10-11 21:08:55,432 INFO L226 Difference]: Without dead ends: 582 [2024-10-11 21:08:55,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:08:55,434 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 168 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:08:55,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 777 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:08:55,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-10-11 21:08:55,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 452. [2024-10-11 21:08:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 395 states have (on average 1.3164556962025316) internal successors, (520), 441 states have internal predecessors, (520), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:08:55,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 536 transitions. [2024-10-11 21:08:55,451 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 536 transitions. Word has length 105 [2024-10-11 21:08:55,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:08:55,451 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 536 transitions. [2024-10-11 21:08:55,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 38.833333333333336) internal successors, (233), 7 states have internal predecessors, (233), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:08:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 536 transitions. [2024-10-11 21:08:55,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 21:08:55,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:08:55,453 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 21:08:55,471 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 21:08:55,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:55,654 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:08:55,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:08:55,655 INFO L85 PathProgramCache]: Analyzing trace with hash -6393900, now seen corresponding path program 1 times [2024-10-11 21:08:55,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:08:55,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669305694] [2024-10-11 21:08:55,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:55,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:08:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:55,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:08:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:55,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 21:08:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 21:08:55,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:08:55,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669305694] [2024-10-11 21:08:55,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669305694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:08:55,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:08:55,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:08:55,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78550124] [2024-10-11 21:08:55,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:08:55,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:08:55,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:08:55,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:08:55,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:08:55,735 INFO L87 Difference]: Start difference. First operand 452 states and 536 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:08:55,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:08:55,959 INFO L93 Difference]: Finished difference Result 452 states and 536 transitions. [2024-10-11 21:08:55,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:08:55,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 120 [2024-10-11 21:08:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:08:55,962 INFO L225 Difference]: With dead ends: 452 [2024-10-11 21:08:55,962 INFO L226 Difference]: Without dead ends: 445 [2024-10-11 21:08:55,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 21:08:55,962 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 80 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:08:55,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 37 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:08:55,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-10-11 21:08:55,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2024-10-11 21:08:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 395 states have (on average 1.2658227848101267) internal successors, (500), 434 states have internal predecessors, (500), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:08:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 516 transitions. [2024-10-11 21:08:55,982 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 516 transitions. Word has length 120 [2024-10-11 21:08:55,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:08:55,982 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 516 transitions. [2024-10-11 21:08:55,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:08:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 516 transitions. [2024-10-11 21:08:55,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 21:08:55,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:08:55,984 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 21:08:55,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 21:08:55,985 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:08:55,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:08:55,986 INFO L85 PathProgramCache]: Analyzing trace with hash -198210742, now seen corresponding path program 1 times [2024-10-11 21:08:55,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:08:55,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311042662] [2024-10-11 21:08:55,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:55,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:08:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:56,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:08:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:56,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 21:08:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-11 21:08:56,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:08:56,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311042662] [2024-10-11 21:08:56,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311042662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:08:56,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:08:56,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:08:56,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666858751] [2024-10-11 21:08:56,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:08:56,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:08:56,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:08:56,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:08:56,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:08:56,059 INFO L87 Difference]: Start difference. First operand 445 states and 516 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:08:56,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:08:56,215 INFO L93 Difference]: Finished difference Result 445 states and 516 transitions. [2024-10-11 21:08:56,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:08:56,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 121 [2024-10-11 21:08:56,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:08:56,234 INFO L225 Difference]: With dead ends: 445 [2024-10-11 21:08:56,234 INFO L226 Difference]: Without dead ends: 443 [2024-10-11 21:08:56,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 21:08:56,235 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 115 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:08:56,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 31 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:08:56,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-11 21:08:56,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2024-10-11 21:08:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 395 states have (on average 1.2531645569620253) internal successors, (495), 432 states have internal predecessors, (495), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:08:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 511 transitions. [2024-10-11 21:08:56,251 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 511 transitions. Word has length 121 [2024-10-11 21:08:56,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:08:56,251 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 511 transitions. [2024-10-11 21:08:56,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:08:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 511 transitions. [2024-10-11 21:08:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 21:08:56,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:08:56,253 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:08:56,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 21:08:56,253 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:08:56,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:08:56,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1501956916, now seen corresponding path program 1 times [2024-10-11 21:08:56,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:08:56,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181550379] [2024-10-11 21:08:56,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:56,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:08:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:08:56,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34347084] [2024-10-11 21:08:56,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:56,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:56,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:08:56,273 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 21:08:56,288 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 21:08:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:56,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 21:08:56,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:08:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:08:56,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:08:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:08:56,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:08:56,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181550379] [2024-10-11 21:08:56,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:08:56,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34347084] [2024-10-11 21:08:56,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34347084] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:08:56,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:08:56,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-11 21:08:56,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242708115] [2024-10-11 21:08:56,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:08:56,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:08:56,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:08:56,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:08:56,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:08:56,703 INFO L87 Difference]: Start difference. First operand 443 states and 511 transitions. Second operand has 8 states, 7 states have (on average 32.42857142857143) internal successors, (227), 8 states have internal predecessors, (227), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:08:57,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:08:57,249 INFO L93 Difference]: Finished difference Result 511 states and 570 transitions. [2024-10-11 21:08:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:08:57,250 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.42857142857143) internal successors, (227), 8 states have internal predecessors, (227), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 123 [2024-10-11 21:08:57,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:08:57,251 INFO L225 Difference]: With dead ends: 511 [2024-10-11 21:08:57,252 INFO L226 Difference]: Without dead ends: 479 [2024-10-11 21:08:57,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:08:57,252 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 457 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:08:57,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 166 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:08:57,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-10-11 21:08:57,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 427. [2024-10-11 21:08:57,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 384 states have (on average 1.171875) internal successors, (450), 417 states have internal predecessors, (450), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 21:08:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 464 transitions. [2024-10-11 21:08:57,268 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 464 transitions. Word has length 123 [2024-10-11 21:08:57,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:08:57,269 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 464 transitions. [2024-10-11 21:08:57,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.42857142857143) internal successors, (227), 8 states have internal predecessors, (227), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:08:57,269 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 464 transitions. [2024-10-11 21:08:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-11 21:08:57,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:08:57,270 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:08:57,287 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 21:08:57,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:57,471 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:08:57,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:08:57,471 INFO L85 PathProgramCache]: Analyzing trace with hash 639891216, now seen corresponding path program 1 times [2024-10-11 21:08:57,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:08:57,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997836617] [2024-10-11 21:08:57,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:57,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:08:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:08:57,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1102690248] [2024-10-11 21:08:57,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:57,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:57,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:08:57,506 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 21:08:57,508 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 21:08:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:57,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:08:57,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:08:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:08:57,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:08:58,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:08:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997836617] [2024-10-11 21:08:58,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:08:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102690248] [2024-10-11 21:08:58,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102690248] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:08:58,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:08:58,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 21:08:58,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939618910] [2024-10-11 21:08:58,166 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:08:58,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:08:58,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:08:58,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:08:58,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:08:58,168 INFO L87 Difference]: Start difference. First operand 427 states and 464 transitions. Second operand has 5 states, 4 states have (on average 32.75) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 21:08:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:08:58,468 INFO L93 Difference]: Finished difference Result 429 states and 467 transitions. [2024-10-11 21:08:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:08:58,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.75) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 143 [2024-10-11 21:08:58,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:08:58,470 INFO L225 Difference]: With dead ends: 429 [2024-10-11 21:08:58,470 INFO L226 Difference]: Without dead ends: 415 [2024-10-11 21:08:58,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:08:58,471 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 65 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:08:58,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 55 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:08:58,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-10-11 21:08:58,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 410. [2024-10-11 21:08:58,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 381 states have (on average 1.1023622047244095) internal successors, (420), 400 states have internal predecessors, (420), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 21:08:58,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 434 transitions. [2024-10-11 21:08:58,487 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 434 transitions. Word has length 143 [2024-10-11 21:08:58,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:08:58,487 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 434 transitions. [2024-10-11 21:08:58,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.75) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 21:08:58,487 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 434 transitions. [2024-10-11 21:08:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-11 21:08:58,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:08:58,489 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:08:58,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 21:08:58,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:58,689 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:08:58,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:08:58,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1638208557, now seen corresponding path program 1 times [2024-10-11 21:08:58,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:08:58,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827569945] [2024-10-11 21:08:58,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:58,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:08:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:08:58,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000141935] [2024-10-11 21:08:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:08:58,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:08:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:08:58,712 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 21:08:58,714 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 21:08:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:08:58,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 21:08:58,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:08:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:08:59,165 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:08:59,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:08:59,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827569945] [2024-10-11 21:08:59,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:08:59,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000141935] [2024-10-11 21:08:59,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000141935] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:08:59,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:08:59,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 21:08:59,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566385366] [2024-10-11 21:08:59,774 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:08:59,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:08:59,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:08:59,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:08:59,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:08:59,776 INFO L87 Difference]: Start difference. First operand 410 states and 434 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 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 21:09:00,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:09:00,124 INFO L93 Difference]: Finished difference Result 448 states and 472 transitions. [2024-10-11 21:09:00,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:09:00,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 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 144 [2024-10-11 21:09:00,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:09:00,126 INFO L225 Difference]: With dead ends: 448 [2024-10-11 21:09:00,126 INFO L226 Difference]: Without dead ends: 410 [2024-10-11 21:09:00,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:09:00,127 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:09:00,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 130 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:09:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-10-11 21:09:00,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2024-10-11 21:09:00,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 381 states have (on average 1.099737532808399) internal successors, (419), 400 states have internal predecessors, (419), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 21:09:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 433 transitions. [2024-10-11 21:09:00,141 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 433 transitions. Word has length 144 [2024-10-11 21:09:00,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:09:00,142 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 433 transitions. [2024-10-11 21:09:00,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 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 21:09:00,142 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 433 transitions. [2024-10-11 21:09:00,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-11 21:09:00,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:09:00,143 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:09:00,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 21:09:00,343 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,SelfDestructingSolverStorable23 [2024-10-11 21:09:00,344 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-11 21:09:00,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:09:00,344 INFO L85 PathProgramCache]: Analyzing trace with hash 843191648, now seen corresponding path program 1 times [2024-10-11 21:09:00,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:09:00,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294264550] [2024-10-11 21:09:00,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:09:00,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:09:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:09:00,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1388654028] [2024-10-11 21:09:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:09:00,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:09:00,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:09:00,369 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 21:09:00,372 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 21:09:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:09:00,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 21:09:00,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:09:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:09:00,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:09:02,302 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:09:02,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:09:02,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294264550] [2024-10-11 21:09:02,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:09:02,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388654028] [2024-10-11 21:09:02,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388654028] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:09:02,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:09:02,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-11 21:09:02,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264534050] [2024-10-11 21:09:02,303 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:09:02,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:09:02,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:09:02,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:09:02,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:09:02,304 INFO L87 Difference]: Start difference. First operand 410 states and 433 transitions. Second operand has 12 states, 11 states have (on average 26.636363636363637) internal successors, (293), 12 states have internal predecessors, (293), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:09:06,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:09:10,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:09:15,002 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 []