./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:19:07,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:19:07,230 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:19:07,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:19:07,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:19:07,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:19:07,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:19:07,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:19:07,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:19:07,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:19:07,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:19:07,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:19:07,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:19:07,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:19:07,280 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:19:07,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:19:07,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:19:07,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:19:07,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:19:07,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:19:07,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:19:07,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:19:07,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:19:07,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:19:07,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:19:07,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:19:07,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:19:07,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:19:07,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:19:07,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:19:07,286 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:19:07,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:19:07,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:19:07,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:19:07,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:19:07,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:19:07,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:19:07,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:19:07,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:19:07,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:19:07,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:19:07,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:19:07,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:19:07,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:19:07,290 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 [2024-11-10 19:19:07,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:19:07,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:19:07,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:19:07,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:19:07,584 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:19:07,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2024-11-10 19:19:09,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:19:09,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:19:09,242 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2024-11-10 19:19:09,257 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b15375d3b/000e78b0472a490ca800a3c37e44f4fd/FLAGc885b19b5 [2024-11-10 19:19:09,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b15375d3b/000e78b0472a490ca800a3c37e44f4fd [2024-11-10 19:19:09,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:19:09,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:19:09,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:19:09,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:19:09,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:19:09,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d52676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09, skipping insertion in model container [2024-11-10 19:19:09,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:19:09,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:19:09,862 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:19:09,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:19:09,902 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:19:09,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09 WrapperNode [2024-11-10 19:19:09,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:19:09,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:19:09,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:19:09,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:19:09,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,938 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-11-10 19:19:09,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:19:09,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:19:09,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:19:09,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:19:09,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,967 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]. [2024-11-10 19:19:09,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,973 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:19:09,980 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:19:09,980 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:19:09,980 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:19:09,981 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (1/1) ... [2024-11-10 19:19:09,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:19:10,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:10,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:19:10,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:19:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:19:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:19:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:19:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:19:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:19:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:19:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:19:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:19:10,135 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:19:10,138 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:19:10,505 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-10 19:19:10,506 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:19:10,522 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:19:10,522 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:19:10,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:19:10 BoogieIcfgContainer [2024-11-10 19:19:10,523 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:19:10,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:19:10,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:19:10,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:19:10,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:19:09" (1/3) ... [2024-11-10 19:19:10,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7979f7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:19:10, skipping insertion in model container [2024-11-10 19:19:10,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:09" (2/3) ... [2024-11-10 19:19:10,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7979f7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:19:10, skipping insertion in model container [2024-11-10 19:19:10,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:19:10" (3/3) ... [2024-11-10 19:19:10,534 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound5.c [2024-11-10 19:19:10,551 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:19:10,551 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-10 19:19:10,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:19:10,630 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;@7785ddda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:19:10,630 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-10 19:19:10,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 53 states have (on average 1.6603773584905661) internal successors, (88), 83 states have internal predecessors, (88), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:19:10,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:10,641 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:10,641 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:10,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:10,645 INFO L85 PathProgramCache]: Analyzing trace with hash 99156531, now seen corresponding path program 1 times [2024-11-10 19:19:10,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:10,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753434026] [2024-11-10 19:19:10,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:10,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:10,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:19:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:10,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:19:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:10,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:10,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:10,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753434026] [2024-11-10 19:19:10,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753434026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:10,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:10,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:10,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092087224] [2024-11-10 19:19:10,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:10,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:19:10,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:19:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:19:10,837 INFO L87 Difference]: Start difference. First operand has 91 states, 53 states have (on average 1.6603773584905661) internal successors, (88), 83 states have internal predecessors, (88), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:19:10,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:10,858 INFO L93 Difference]: Finished difference Result 178 states and 196 transitions. [2024-11-10 19:19:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:19:10,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-10 19:19:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:10,866 INFO L225 Difference]: With dead ends: 178 [2024-11-10 19:19:10,866 INFO L226 Difference]: Without dead ends: 84 [2024-11-10 19:19:10,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:19:10,871 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:10,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:10,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-10 19:19:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-10 19:19:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 48 states have (on average 1.625) internal successors, (78), 77 states have internal predecessors, (78), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2024-11-10 19:19:10,906 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 21 [2024-11-10 19:19:10,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:10,906 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2024-11-10 19:19:10,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:19:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2024-11-10 19:19:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:19:10,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:10,908 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:10,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:19:10,908 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:10,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:10,909 INFO L85 PathProgramCache]: Analyzing trace with hash -343561610, now seen corresponding path program 1 times [2024-11-10 19:19:10,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:10,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071447909] [2024-11-10 19:19:10,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:10,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:10,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229232510] [2024-11-10 19:19:10,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:10,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:10,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:10,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:19:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:11,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:19:11,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:11,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:11,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:11,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071447909] [2024-11-10 19:19:11,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:11,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229232510] [2024-11-10 19:19:11,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229232510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:11,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:11,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:19:11,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441312721] [2024-11-10 19:19:11,410 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:11,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:19:11,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:11,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:19:11,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:11,414 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:19:11,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:11,639 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2024-11-10 19:19:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:19:11,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2024-11-10 19:19:11,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:11,641 INFO L225 Difference]: With dead ends: 84 [2024-11-10 19:19:11,642 INFO L226 Difference]: Without dead ends: 82 [2024-11-10 19:19:11,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:11,643 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 86 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:11,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 94 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:19:11,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-10 19:19:11,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-10 19:19:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.5833333333333333) internal successors, (76), 75 states have internal predecessors, (76), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 84 transitions. [2024-11-10 19:19:11,655 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 84 transitions. Word has length 21 [2024-11-10 19:19:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:11,656 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 84 transitions. [2024-11-10 19:19:11,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:19:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2024-11-10 19:19:11,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 19:19:11,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:11,657 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:11,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:19:11,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:11,859 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:11,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:11,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1663366414, now seen corresponding path program 1 times [2024-11-10 19:19:11,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:11,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201082808] [2024-11-10 19:19:11,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:11,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:11,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1941461516] [2024-11-10 19:19:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:11,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:11,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:11,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:11,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:19:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:11,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:19:11,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:12,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:12,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:12,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201082808] [2024-11-10 19:19:12,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:12,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941461516] [2024-11-10 19:19:12,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941461516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:12,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:12,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:19:12,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555043721] [2024-11-10 19:19:12,182 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:12,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:19:12,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:12,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:19:12,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:19:12,183 INFO L87 Difference]: Start difference. First operand 82 states and 84 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:19:12,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:12,388 INFO L93 Difference]: Finished difference Result 82 states and 84 transitions. [2024-11-10 19:19:12,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:19:12,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2024-11-10 19:19:12,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:12,390 INFO L225 Difference]: With dead ends: 82 [2024-11-10 19:19:12,390 INFO L226 Difference]: Without dead ends: 78 [2024-11-10 19:19:12,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:19:12,392 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 81 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:12,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 106 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:19:12,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-10 19:19:12,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-10 19:19:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.5) internal successors, (72), 71 states have internal predecessors, (72), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2024-11-10 19:19:12,406 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 26 [2024-11-10 19:19:12,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:12,406 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2024-11-10 19:19:12,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:19:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2024-11-10 19:19:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:19:12,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:12,408 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:12,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:19:12,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-10 19:19:12,612 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:12,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:12,613 INFO L85 PathProgramCache]: Analyzing trace with hash 24751314, now seen corresponding path program 1 times [2024-11-10 19:19:12,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:12,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682223369] [2024-11-10 19:19:12,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:12,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:12,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912210957] [2024-11-10 19:19:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:12,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:12,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:12,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:12,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:19:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:12,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:19:12,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:12,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:13,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:13,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682223369] [2024-11-10 19:19:13,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:13,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912210957] [2024-11-10 19:19:13,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912210957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:13,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:13,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:19:13,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431870704] [2024-11-10 19:19:13,345 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:13,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:19:13,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:13,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:19:13,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:19:13,347 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:19:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:13,679 INFO L93 Difference]: Finished difference Result 128 states and 135 transitions. [2024-11-10 19:19:13,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:19:13,680 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 27 [2024-11-10 19:19:13,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:13,682 INFO L225 Difference]: With dead ends: 128 [2024-11-10 19:19:13,683 INFO L226 Difference]: Without dead ends: 116 [2024-11-10 19:19:13,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:19:13,685 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 114 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:13,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 133 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:19:13,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-10 19:19:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 105. [2024-11-10 19:19:13,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 74 states have (on average 1.4189189189189189) internal successors, (105), 97 states have internal predecessors, (105), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions. [2024-11-10 19:19:13,702 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 27 [2024-11-10 19:19:13,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:13,703 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions. [2024-11-10 19:19:13,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:19:13,703 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2024-11-10 19:19:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:19:13,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:13,706 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:13,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:13,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:13,907 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:13,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:13,907 INFO L85 PathProgramCache]: Analyzing trace with hash -339777912, now seen corresponding path program 1 times [2024-11-10 19:19:13,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:13,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909685207] [2024-11-10 19:19:13,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:13,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:13,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755719813] [2024-11-10 19:19:13,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:13,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:13,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:13,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:13,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:19:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:13,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:19:13,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:14,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:14,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:14,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909685207] [2024-11-10 19:19:14,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:14,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755719813] [2024-11-10 19:19:14,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755719813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:14,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:14,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:19:14,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484679594] [2024-11-10 19:19:14,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:14,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:19:14,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:14,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:19:14,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:14,272 INFO L87 Difference]: Start difference. First operand 105 states and 115 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:14,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:14,432 INFO L93 Difference]: Finished difference Result 117 states and 128 transitions. [2024-11-10 19:19:14,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:14,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-11-10 19:19:14,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:14,433 INFO L225 Difference]: With dead ends: 117 [2024-11-10 19:19:14,435 INFO L226 Difference]: Without dead ends: 115 [2024-11-10 19:19:14,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:14,436 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 90 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:14,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 99 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:14,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-10 19:19:14,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 106. [2024-11-10 19:19:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 75 states have (on average 1.4) internal successors, (105), 98 states have internal predecessors, (105), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2024-11-10 19:19:14,445 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 32 [2024-11-10 19:19:14,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:14,445 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2024-11-10 19:19:14,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2024-11-10 19:19:14,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:19:14,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:14,447 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:14,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:14,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:14,651 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:14,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:14,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1943180660, now seen corresponding path program 1 times [2024-11-10 19:19:14,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:14,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437243551] [2024-11-10 19:19:14,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:14,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:14,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638272788] [2024-11-10 19:19:14,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:14,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:14,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:14,673 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:14,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:19:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:14,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:19:14,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:16,303 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:16,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:16,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437243551] [2024-11-10 19:19:16,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:16,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638272788] [2024-11-10 19:19:16,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638272788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:16,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:16,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:19:16,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578740144] [2024-11-10 19:19:16,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:16,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:19:16,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:16,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:19:16,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:16,306 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:17,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:17,138 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2024-11-10 19:19:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:17,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-11-10 19:19:17,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:17,140 INFO L225 Difference]: With dead ends: 117 [2024-11-10 19:19:17,140 INFO L226 Difference]: Without dead ends: 115 [2024-11-10 19:19:17,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:17,141 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 62 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:17,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 128 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:19:17,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-10 19:19:17,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 107. [2024-11-10 19:19:17,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 76 states have (on average 1.381578947368421) internal successors, (105), 99 states have internal predecessors, (105), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:17,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 115 transitions. [2024-11-10 19:19:17,149 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 115 transitions. Word has length 33 [2024-11-10 19:19:17,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:17,150 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 115 transitions. [2024-11-10 19:19:17,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:17,150 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 115 transitions. [2024-11-10 19:19:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:19:17,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:17,151 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:17,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:17,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:17,356 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:17,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:17,356 INFO L85 PathProgramCache]: Analyzing trace with hash -109058298, now seen corresponding path program 1 times [2024-11-10 19:19:17,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:17,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086261770] [2024-11-10 19:19:17,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:17,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:17,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2009489707] [2024-11-10 19:19:17,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:17,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:17,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:17,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:17,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:19:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:17,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:19:17,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:17,712 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:17,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:17,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086261770] [2024-11-10 19:19:17,840 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:17,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009489707] [2024-11-10 19:19:17,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009489707] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:17,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:17,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-10 19:19:17,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060814875] [2024-11-10 19:19:17,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:17,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:17,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:17,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:17,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:19:17,843 INFO L87 Difference]: Start difference. First operand 107 states and 115 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:22,099 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 [1] [2024-11-10 19:19:26,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-10 19:19:30,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-10 19:19:30,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:30,828 INFO L93 Difference]: Finished difference Result 113 states and 119 transitions. [2024-11-10 19:19:30,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:30,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2024-11-10 19:19:30,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:30,829 INFO L225 Difference]: With dead ends: 113 [2024-11-10 19:19:30,829 INFO L226 Difference]: Without dead ends: 111 [2024-11-10 19:19:30,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:19:30,830 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 76 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:30,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 83 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 126 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2024-11-10 19:19:30,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-10 19:19:30,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 106. [2024-11-10 19:19:30,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 76 states have (on average 1.355263157894737) internal successors, (103), 98 states have internal predecessors, (103), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 113 transitions. [2024-11-10 19:19:30,851 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 113 transitions. Word has length 34 [2024-11-10 19:19:30,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:30,851 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 113 transitions. [2024-11-10 19:19:30,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 113 transitions. [2024-11-10 19:19:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:19:30,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:30,852 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:30,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:19:31,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:31,055 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:31,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:31,055 INFO L85 PathProgramCache]: Analyzing trace with hash 914160074, now seen corresponding path program 1 times [2024-11-10 19:19:31,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:31,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150261722] [2024-11-10 19:19:31,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:31,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350425205] [2024-11-10 19:19:31,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:31,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:31,096 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:31,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:19:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:19:31,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:31,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:32,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:32,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150261722] [2024-11-10 19:19:32,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:32,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350425205] [2024-11-10 19:19:32,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350425205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:32,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:32,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:19:32,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95942174] [2024-11-10 19:19:32,386 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:32,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:19:32,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:32,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:19:32,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:19:32,387 INFO L87 Difference]: Start difference. First operand 106 states and 113 transitions. Second operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:19:32,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:32,712 INFO L93 Difference]: Finished difference Result 118 states and 121 transitions. [2024-11-10 19:19:32,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:19:32,713 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35 [2024-11-10 19:19:32,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:32,714 INFO L225 Difference]: With dead ends: 118 [2024-11-10 19:19:32,714 INFO L226 Difference]: Without dead ends: 104 [2024-11-10 19:19:32,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:19:32,715 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 126 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:32,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 124 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:19:32,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-10 19:19:32,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2024-11-10 19:19:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 71 states have (on average 1.352112676056338) internal successors, (96), 93 states have internal predecessors, (96), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 106 transitions. [2024-11-10 19:19:32,731 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 106 transitions. Word has length 35 [2024-11-10 19:19:32,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:32,732 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 106 transitions. [2024-11-10 19:19:32,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:19:32,732 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2024-11-10 19:19:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:19:32,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:32,733 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:32,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:32,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:32,934 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:32,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:32,934 INFO L85 PathProgramCache]: Analyzing trace with hash -755546472, now seen corresponding path program 1 times [2024-11-10 19:19:32,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:32,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84432396] [2024-11-10 19:19:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:32,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:33,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:19:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:19:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:33,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:33,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:19:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:33,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:33,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84432396] [2024-11-10 19:19:33,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84432396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:33,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:33,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:33,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404566487] [2024-11-10 19:19:33,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:33,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:33,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:33,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:33,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:33,075 INFO L87 Difference]: Start difference. First operand 101 states and 106 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:19:33,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:33,096 INFO L93 Difference]: Finished difference Result 103 states and 106 transitions. [2024-11-10 19:19:33,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:33,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-10 19:19:33,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:33,098 INFO L225 Difference]: With dead ends: 103 [2024-11-10 19:19:33,098 INFO L226 Difference]: Without dead ends: 101 [2024-11-10 19:19:33,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:33,099 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:33,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:33,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-10 19:19:33,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-10 19:19:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 71 states have (on average 1.323943661971831) internal successors, (94), 93 states have internal predecessors, (94), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 104 transitions. [2024-11-10 19:19:33,105 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 104 transitions. Word has length 42 [2024-11-10 19:19:33,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:33,105 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 104 transitions. [2024-11-10 19:19:33,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:19:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 104 transitions. [2024-11-10 19:19:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:19:33,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:33,109 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:33,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:19:33,110 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:33,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:33,110 INFO L85 PathProgramCache]: Analyzing trace with hash -270474451, now seen corresponding path program 1 times [2024-11-10 19:19:33,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:33,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986123588] [2024-11-10 19:19:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:33,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:33,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183308310] [2024-11-10 19:19:33,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:33,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:33,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:33,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:33,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:19:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:33,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:19:33,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:33,556 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:34,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:34,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986123588] [2024-11-10 19:19:34,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:34,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183308310] [2024-11-10 19:19:34,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183308310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:34,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:34,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:19:34,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019687014] [2024-11-10 19:19:34,086 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:34,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:19:34,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:34,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:19:34,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:19:34,088 INFO L87 Difference]: Start difference. First operand 101 states and 104 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:34,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:34,401 INFO L93 Difference]: Finished difference Result 144 states and 159 transitions. [2024-11-10 19:19:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:19:34,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 56 [2024-11-10 19:19:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:34,402 INFO L225 Difference]: With dead ends: 144 [2024-11-10 19:19:34,402 INFO L226 Difference]: Without dead ends: 140 [2024-11-10 19:19:34,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:19:34,403 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 114 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:34,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 161 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:19:34,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-10 19:19:34,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 125. [2024-11-10 19:19:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 116 states have internal predecessors, (128), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:19:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 140 transitions. [2024-11-10 19:19:34,410 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 140 transitions. Word has length 56 [2024-11-10 19:19:34,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:34,411 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 140 transitions. [2024-11-10 19:19:34,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 140 transitions. [2024-11-10 19:19:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:19:34,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:34,412 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:34,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:34,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 19:19:34,617 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:34,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:34,617 INFO L85 PathProgramCache]: Analyzing trace with hash 205226641, now seen corresponding path program 1 times [2024-11-10 19:19:34,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:34,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657165730] [2024-11-10 19:19:34,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:34,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:34,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [49431846] [2024-11-10 19:19:34,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:34,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:34,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:34,642 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:34,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:19:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:19:34,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:34,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:36,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:36,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657165730] [2024-11-10 19:19:36,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:36,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49431846] [2024-11-10 19:19:36,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49431846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:36,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:36,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:19:36,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343348080] [2024-11-10 19:19:36,591 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:36,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:19:36,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:36,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:19:36,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2024-11-10 19:19:36,592 INFO L87 Difference]: Start difference. First operand 125 states and 140 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:19:36,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:36,858 INFO L93 Difference]: Finished difference Result 125 states and 140 transitions. [2024-11-10 19:19:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:19:36,858 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2024-11-10 19:19:36,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:36,859 INFO L225 Difference]: With dead ends: 125 [2024-11-10 19:19:36,860 INFO L226 Difference]: Without dead ends: 123 [2024-11-10 19:19:36,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=44, Invalid=111, Unknown=1, NotChecked=0, Total=156 [2024-11-10 19:19:36,860 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 32 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:36,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 209 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:19:36,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-10 19:19:36,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-10 19:19:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 114 states have internal predecessors, (125), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:19:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 137 transitions. [2024-11-10 19:19:36,870 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 137 transitions. Word has length 57 [2024-11-10 19:19:36,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:36,871 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 137 transitions. [2024-11-10 19:19:36,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:19:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 137 transitions. [2024-11-10 19:19:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 19:19:36,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:36,872 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:36,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:19:37,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:37,073 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:37,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:37,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2067058603, now seen corresponding path program 1 times [2024-11-10 19:19:37,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:37,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766437888] [2024-11-10 19:19:37,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:37,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:37,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1561133991] [2024-11-10 19:19:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:37,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:37,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:37,100 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:37,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:19:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:37,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:19:37,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:37,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:38,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:38,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766437888] [2024-11-10 19:19:38,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:38,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561133991] [2024-11-10 19:19:38,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561133991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:38,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:38,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:19:38,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758248301] [2024-11-10 19:19:38,512 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:38,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:19:38,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:38,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:19:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:19:38,513 INFO L87 Difference]: Start difference. First operand 123 states and 137 transitions. Second operand has 13 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 13 states have internal predecessors, (47), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:39,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:39,135 INFO L93 Difference]: Finished difference Result 123 states and 137 transitions. [2024-11-10 19:19:39,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:19:39,135 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 13 states have internal predecessors, (47), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 58 [2024-11-10 19:19:39,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:39,136 INFO L225 Difference]: With dead ends: 123 [2024-11-10 19:19:39,136 INFO L226 Difference]: Without dead ends: 115 [2024-11-10 19:19:39,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:19:39,137 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 157 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:39,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 174 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:19:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-10 19:19:39,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2024-11-10 19:19:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 92 states have (on average 1.2173913043478262) internal successors, (112), 104 states have internal predecessors, (112), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:19:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 124 transitions. [2024-11-10 19:19:39,143 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 124 transitions. Word has length 58 [2024-11-10 19:19:39,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:39,143 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 124 transitions. [2024-11-10 19:19:39,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 13 states have internal predecessors, (47), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:39,143 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2024-11-10 19:19:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 19:19:39,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:39,144 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:19:39,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:39,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 19:19:39,345 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:39,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1498222323, now seen corresponding path program 1 times [2024-11-10 19:19:39,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:39,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984228588] [2024-11-10 19:19:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:39,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:39,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1297480052] [2024-11-10 19:19:39,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:39,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:39,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:39,360 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:39,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:19:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:39,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:19:39,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:39,961 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:39,961 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:40,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:40,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984228588] [2024-11-10 19:19:40,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:40,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297480052] [2024-11-10 19:19:40,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297480052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:40,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:40,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:19:40,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118169652] [2024-11-10 19:19:40,115 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:40,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:19:40,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:40,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:19:40,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:19:40,116 INFO L87 Difference]: Start difference. First operand 113 states and 124 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:40,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:40,389 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2024-11-10 19:19:40,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:19:40,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 61 [2024-11-10 19:19:40,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:40,390 INFO L225 Difference]: With dead ends: 113 [2024-11-10 19:19:40,390 INFO L226 Difference]: Without dead ends: 110 [2024-11-10 19:19:40,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:19:40,391 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 116 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:40,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 111 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:19:40,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-10 19:19:40,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-10 19:19:40,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.173913043478261) internal successors, (108), 101 states have internal predecessors, (108), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:19:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2024-11-10 19:19:40,398 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 61 [2024-11-10 19:19:40,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:40,398 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2024-11-10 19:19:40,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2024-11-10 19:19:40,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 19:19:40,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:40,399 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:19:40,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:40,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:19:40,600 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:40,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:40,600 INFO L85 PathProgramCache]: Analyzing trace with hash 799748263, now seen corresponding path program 1 times [2024-11-10 19:19:40,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:40,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775809321] [2024-11-10 19:19:40,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:40,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:40,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1215166064] [2024-11-10 19:19:40,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:40,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:40,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:40,619 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:40,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:19:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:40,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 19:19:40,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:41,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:47,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:47,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775809321] [2024-11-10 19:19:47,327 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:47,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215166064] [2024-11-10 19:19:47,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215166064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:47,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:47,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:19:47,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823185316] [2024-11-10 19:19:47,328 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:47,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:19:47,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:47,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:19:47,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=278, Unknown=1, NotChecked=0, Total=342 [2024-11-10 19:19:47,329 INFO L87 Difference]: Start difference. First operand 110 states and 120 transitions. Second operand has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:47,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:47,782 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2024-11-10 19:19:47,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:19:47,783 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 62 [2024-11-10 19:19:47,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:47,784 INFO L225 Difference]: With dead ends: 129 [2024-11-10 19:19:47,784 INFO L226 Difference]: Without dead ends: 126 [2024-11-10 19:19:47,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=99, Invalid=362, Unknown=1, NotChecked=0, Total=462 [2024-11-10 19:19:47,785 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 207 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:47,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 196 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:19:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-10 19:19:47,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 121. [2024-11-10 19:19:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.145631067961165) internal successors, (118), 112 states have internal predecessors, (118), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:19:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 130 transitions. [2024-11-10 19:19:47,793 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 130 transitions. Word has length 62 [2024-11-10 19:19:47,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:47,793 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 130 transitions. [2024-11-10 19:19:47,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:19:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2024-11-10 19:19:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:19:47,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:47,794 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:19:47,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:19:47,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:19:47,999 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:47,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:47,999 INFO L85 PathProgramCache]: Analyzing trace with hash -977607605, now seen corresponding path program 1 times [2024-11-10 19:19:47,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:47,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717976164] [2024-11-10 19:19:47,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:47,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:48,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [495992380] [2024-11-10 19:19:48,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:48,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:48,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:48,019 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:48,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:19:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:48,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:19:48,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:48,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:49,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:49,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717976164] [2024-11-10 19:19:49,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:49,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495992380] [2024-11-10 19:19:49,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495992380] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:49,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:49,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-11-10 19:19:49,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182286534] [2024-11-10 19:19:49,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:49,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:19:49,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:49,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:19:49,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:19:49,495 INFO L87 Difference]: Start difference. First operand 121 states and 130 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:19:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:51,878 INFO L93 Difference]: Finished difference Result 121 states and 130 transitions. [2024-11-10 19:19:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:19:51,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 63 [2024-11-10 19:19:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:51,879 INFO L225 Difference]: With dead ends: 121 [2024-11-10 19:19:51,879 INFO L226 Difference]: Without dead ends: 120 [2024-11-10 19:19:51,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:19:51,880 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 33 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:51,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 136 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 19:19:51,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-10 19:19:51,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-10 19:19:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 103 states have (on average 1.1262135922330097) internal successors, (116), 111 states have internal predecessors, (116), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:19:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 128 transitions. [2024-11-10 19:19:51,887 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 128 transitions. Word has length 63 [2024-11-10 19:19:51,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:51,887 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 128 transitions. [2024-11-10 19:19:51,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:19:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2024-11-10 19:19:51,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-10 19:19:51,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:51,888 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:19:51,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:19:52,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:19:52,089 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:52,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:52,089 INFO L85 PathProgramCache]: Analyzing trace with hash -241064667, now seen corresponding path program 1 times [2024-11-10 19:19:52,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:52,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349851406] [2024-11-10 19:19:52,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:52,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:52,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403559712] [2024-11-10 19:19:52,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:52,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:52,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:52,106 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:52,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:19:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:52,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:19:52,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:19:52,607 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:53,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:53,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349851406] [2024-11-10 19:19:53,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:53,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403559712] [2024-11-10 19:19:53,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403559712] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:53,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:53,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-11-10 19:19:53,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334075542] [2024-11-10 19:19:53,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:53,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:19:53,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:53,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:19:53,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:19:53,444 INFO L87 Difference]: Start difference. First operand 120 states and 128 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:19:58,168 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 [] [2024-11-10 19:19:58,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:58,893 INFO L93 Difference]: Finished difference Result 120 states and 128 transitions. [2024-11-10 19:19:58,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:19:58,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 64 [2024-11-10 19:19:58,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:58,894 INFO L225 Difference]: With dead ends: 120 [2024-11-10 19:19:58,894 INFO L226 Difference]: Without dead ends: 108 [2024-11-10 19:19:58,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:19:58,895 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 32 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:58,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 176 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-10 19:19:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-10 19:19:58,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-10 19:19:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 93 states have (on average 1.096774193548387) internal successors, (102), 99 states have internal predecessors, (102), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:19:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2024-11-10 19:19:58,902 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 64 [2024-11-10 19:19:58,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:58,902 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2024-11-10 19:19:58,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:19:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2024-11-10 19:19:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 19:19:58,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:58,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:58,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:59,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:59,107 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:59,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1565994717, now seen corresponding path program 1 times [2024-11-10 19:19:59,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:59,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616143824] [2024-11-10 19:19:59,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:59,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:19:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:19:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:19:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 19:19:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:19:59,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:59,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616143824] [2024-11-10 19:19:59,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616143824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:59,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137196453] [2024-11-10 19:19:59,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:59,198 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:59,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:19:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:59,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:19:59,306 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:59,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137196453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:59,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:59,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:19:59,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299602705] [2024-11-10 19:19:59,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:59,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:59,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:59,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:59,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:59,308 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:19:59,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:59,333 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2024-11-10 19:19:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:19:59,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 71 [2024-11-10 19:19:59,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:59,335 INFO L225 Difference]: With dead ends: 108 [2024-11-10 19:19:59,335 INFO L226 Difference]: Without dead ends: 107 [2024-11-10 19:19:59,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:59,336 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 10 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:59,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 108 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:59,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-10 19:19:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-10 19:19:59,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.075268817204301) internal successors, (100), 98 states have internal predecessors, (100), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:19:59,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2024-11-10 19:19:59,342 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 71 [2024-11-10 19:19:59,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:59,343 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2024-11-10 19:19:59,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:19:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2024-11-10 19:19:59,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:19:59,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:59,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:59,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:19:59,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:19:59,544 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:19:59,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:59,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1301195980, now seen corresponding path program 1 times [2024-11-10 19:19:59,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:59,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327845193] [2024-11-10 19:19:59,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:59,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:19:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:19:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:19:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 19:19:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,655 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:19:59,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:59,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327845193] [2024-11-10 19:19:59,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327845193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:59,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072837838] [2024-11-10 19:19:59,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:59,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:59,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:59,658 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:19:59,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:19:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:59,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:59,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:19:59,769 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:19:59,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072837838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:59,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:59,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 19:19:59,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698066367] [2024-11-10 19:19:59,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:59,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:19:59,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:59,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:19:59,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:19:59,845 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-10 19:19:59,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:59,885 INFO L93 Difference]: Finished difference Result 156 states and 166 transitions. [2024-11-10 19:19:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:19:59,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 72 [2024-11-10 19:19:59,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:59,886 INFO L225 Difference]: With dead ends: 156 [2024-11-10 19:19:59,886 INFO L226 Difference]: Without dead ends: 155 [2024-11-10 19:19:59,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:19:59,887 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 16 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:59,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 242 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:59,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-10 19:19:59,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 149. [2024-11-10 19:19:59,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 133 states have (on average 1.105263157894737) internal successors, (147), 138 states have internal predecessors, (147), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:19:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 163 transitions. [2024-11-10 19:19:59,904 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 163 transitions. Word has length 72 [2024-11-10 19:19:59,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:59,904 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 163 transitions. [2024-11-10 19:19:59,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-10 19:19:59,904 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2024-11-10 19:19:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-10 19:19:59,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:59,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:59,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:20:00,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:20:00,106 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:20:00,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:00,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2020503218, now seen corresponding path program 2 times [2024-11-10 19:20:00,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:00,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404826644] [2024-11-10 19:20:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:00,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:20:00,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899255499] [2024-11-10 19:20:00,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:20:00,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:00,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:00,121 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:00,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:20:00,230 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:20:00,230 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:20:00,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-10 19:20:00,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-10 19:20:00,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:13,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:13,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404826644] [2024-11-10 19:20:13,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:20:13,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899255499] [2024-11-10 19:20:13,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899255499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:13,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:20:13,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:20:13,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616203207] [2024-11-10 19:20:13,625 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:13,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:20:13,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:13,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:20:13,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=329, Unknown=2, NotChecked=0, Total=420 [2024-11-10 19:20:13,626 INFO L87 Difference]: Start difference. First operand 149 states and 163 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:20:14,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:14,284 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2024-11-10 19:20:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:20:14,286 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 85 [2024-11-10 19:20:14,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:14,287 INFO L225 Difference]: With dead ends: 161 [2024-11-10 19:20:14,287 INFO L226 Difference]: Without dead ends: 159 [2024-11-10 19:20:14,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=101, Invalid=359, Unknown=2, NotChecked=0, Total=462 [2024-11-10 19:20:14,288 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 176 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:14,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 298 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:20:14,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-10 19:20:14,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 149. [2024-11-10 19:20:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 133 states have (on average 1.0902255639097744) internal successors, (145), 138 states have internal predecessors, (145), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:20:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 161 transitions. [2024-11-10 19:20:14,300 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 161 transitions. Word has length 85 [2024-11-10 19:20:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:14,300 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 161 transitions. [2024-11-10 19:20:14,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:20:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 161 transitions. [2024-11-10 19:20:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 19:20:14,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:14,301 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:14,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-10 19:20:14,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:14,502 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:20:14,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:14,502 INFO L85 PathProgramCache]: Analyzing trace with hash -666811284, now seen corresponding path program 2 times [2024-11-10 19:20:14,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:14,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096187694] [2024-11-10 19:20:14,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:14,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:20:14,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [399051632] [2024-11-10 19:20:14,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:20:14,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:14,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:14,519 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:14,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:20:14,610 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:20:14,611 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:20:14,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 19:20:14,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-10 19:20:15,657 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:16,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:16,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096187694] [2024-11-10 19:20:16,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:20:16,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399051632] [2024-11-10 19:20:16,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399051632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:16,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:20:16,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-10 19:20:16,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240457363] [2024-11-10 19:20:16,497 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:16,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:20:16,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:16,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:20:16,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:20:16,498 INFO L87 Difference]: Start difference. First operand 149 states and 161 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:20:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:17,107 INFO L93 Difference]: Finished difference Result 162 states and 171 transitions. [2024-11-10 19:20:17,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:20:17,108 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 91 [2024-11-10 19:20:17,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:17,109 INFO L225 Difference]: With dead ends: 162 [2024-11-10 19:20:17,109 INFO L226 Difference]: Without dead ends: 151 [2024-11-10 19:20:17,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:20:17,110 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 170 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:17,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 239 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:20:17,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-10 19:20:17,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149. [2024-11-10 19:20:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 133 states have (on average 1.0676691729323309) internal successors, (142), 138 states have internal predecessors, (142), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:20:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 158 transitions. [2024-11-10 19:20:17,120 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 158 transitions. Word has length 91 [2024-11-10 19:20:17,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:17,120 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 158 transitions. [2024-11-10 19:20:17,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:20:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2024-11-10 19:20:17,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:20:17,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:17,121 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:17,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:20:17,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:17,322 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:20:17,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:17,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1847202483, now seen corresponding path program 3 times [2024-11-10 19:20:17,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:17,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449298335] [2024-11-10 19:20:17,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:17,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:20:17,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115646682] [2024-11-10 19:20:17,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:20:17,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:17,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:17,339 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:17,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:20:17,934 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-10 19:20:17,934 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:20:17,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-10 19:20:17,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:20:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-10 19:20:23,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:20:24,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:20:24,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449298335] [2024-11-10 19:20:24,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:20:24,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115646682] [2024-11-10 19:20:24,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115646682] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:20:24,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:20:24,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-10 19:20:24,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038444546] [2024-11-10 19:20:24,349 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:20:24,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 19:20:24,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:20:24,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 19:20:24,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=264, Unknown=1, NotChecked=0, Total=342 [2024-11-10 19:20:24,350 INFO L87 Difference]: Start difference. First operand 149 states and 158 transitions. Second operand has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:20:25,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:20:25,793 INFO L93 Difference]: Finished difference Result 169 states and 175 transitions. [2024-11-10 19:20:25,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:20:25,794 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 114 [2024-11-10 19:20:25,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:20:25,795 INFO L225 Difference]: With dead ends: 169 [2024-11-10 19:20:25,795 INFO L226 Difference]: Without dead ends: 167 [2024-11-10 19:20:25,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=98, Invalid=363, Unknown=1, NotChecked=0, Total=462 [2024-11-10 19:20:25,796 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 129 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:20:25,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 403 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 19:20:25,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-10 19:20:25,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 154. [2024-11-10 19:20:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 138 states have (on average 1.0579710144927537) internal successors, (146), 143 states have internal predecessors, (146), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:20:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 162 transitions. [2024-11-10 19:20:25,808 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 162 transitions. Word has length 114 [2024-11-10 19:20:25,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:20:25,809 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 162 transitions. [2024-11-10 19:20:25,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:20:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 162 transitions. [2024-11-10 19:20:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:20:25,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:20:25,810 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:20:25,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-10 19:20:26,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:26,011 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:20:26,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:20:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash 352854727, now seen corresponding path program 3 times [2024-11-10 19:20:26,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:20:26,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493674755] [2024-11-10 19:20:26,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:20:26,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:20:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:20:26,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156674223] [2024-11-10 19:20:26,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:20:26,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:20:26,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:20:26,027 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:20:26,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:20:26,129 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:20:26,130 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:20:26,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 19:20:26,133 INFO L278 TraceCheckSpWp]: Computing forward predicates...