./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound1.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/mannadiv_unwindbound1.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 e62f050c54efcaebe70ca4fab804a982fed550b56ad5b495e4ea54f0b2b8135b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:23:46,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:23:46,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:23:46,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:23:46,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:23:46,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:23:46,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:23:46,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:23:46,418 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:23:46,419 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:23:46,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:23:46,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:23:46,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:23:46,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:23:46,422 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:23:46,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:23:46,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:23:46,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:23:46,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:23:46,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:23:46,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:23:46,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:23:46,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:23:46,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:23:46,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:23:46,425 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:23:46,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:23:46,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:23:46,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:23:46,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:23:46,430 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:23:46,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:23:46,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:23:46,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:23:46,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:23:46,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:23:46,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:23:46,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:23:46,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:23:46,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:23:46,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:23:46,433 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:23:46,433 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:23:46,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:23:46,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e62f050c54efcaebe70ca4fab804a982fed550b56ad5b495e4ea54f0b2b8135b [2024-11-10 19:23:46,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:23:46,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:23:46,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:23:46,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:23:46,707 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:23:46,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound1.c [2024-11-10 19:23:48,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:23:48,304 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:23:48,305 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound1.c [2024-11-10 19:23:48,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029ece5df/fade727b1d1e4e789e1a1c1243cea119/FLAG826c5ca37 [2024-11-10 19:23:48,326 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029ece5df/fade727b1d1e4e789e1a1c1243cea119 [2024-11-10 19:23:48,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:23:48,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:23:48,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:23:48,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:23:48,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:23:48,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a58e26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48, skipping insertion in model container [2024-11-10 19:23:48,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:23:48,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:23:48,543 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:23:48,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:23:48,574 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:23:48,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48 WrapperNode [2024-11-10 19:23:48,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:23:48,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:23:48,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:23:48,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:23:48,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,612 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-10 19:23:48,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:23:48,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:23:48,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:23:48,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:23:48,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,623 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,636 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 19:23:48,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,642 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:23:48,645 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:23:48,645 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:23:48,645 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:23:48,648 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (1/1) ... [2024-11-10 19:23:48,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:23:48,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:48,686 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 19:23:48,689 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 19:23:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:23:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:23:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:23:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:23:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:23:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:23:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:23:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:23:48,778 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:23:48,780 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:23:48,933 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-10 19:23:48,933 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:23:48,949 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:23:48,949 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:23:48,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:23:48 BoogieIcfgContainer [2024-11-10 19:23:48,950 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:23:48,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:23:48,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:23:48,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:23:48,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:23:48" (1/3) ... [2024-11-10 19:23:48,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d0f59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:23:48, skipping insertion in model container [2024-11-10 19:23:48,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:48" (2/3) ... [2024-11-10 19:23:48,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d0f59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:23:48, skipping insertion in model container [2024-11-10 19:23:48,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:23:48" (3/3) ... [2024-11-10 19:23:48,959 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound1.c [2024-11-10 19:23:48,973 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:23:48,973 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-10 19:23:49,028 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:23:49,033 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;@332b300, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:23:49,033 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-10 19:23:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 67 states have internal predecessors, (73), 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 19:23:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:23:49,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:49,044 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:49,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:49,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:49,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2146905663, now seen corresponding path program 1 times [2024-11-10 19:23:49,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:49,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527480571] [2024-11-10 19:23:49,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:49,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:49,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:49,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:49,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:49,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527480571] [2024-11-10 19:23:49,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527480571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:49,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:49,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:23:49,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760843369] [2024-11-10 19:23:49,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:49,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:23:49,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:49,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:23:49,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:23:49,207 INFO L87 Difference]: Start difference. First operand has 74 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 67 states have internal predecessors, (73), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:23:49,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:49,226 INFO L93 Difference]: Finished difference Result 144 states and 161 transitions. [2024-11-10 19:23:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:23:49,227 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-10 19:23:49,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:49,232 INFO L225 Difference]: With dead ends: 144 [2024-11-10 19:23:49,232 INFO L226 Difference]: Without dead ends: 67 [2024-11-10 19:23:49,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 19:23:49,238 INFO L432 NwaCegarLoop]: 77 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, 77 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 19:23:49,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:49,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-10 19:23:49,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-10 19:23:49,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 40 states have (on average 1.6) internal successors, (64), 61 states have internal predecessors, (64), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:23:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-11-10 19:23:49,300 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 15 [2024-11-10 19:23:49,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:49,300 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-10 19:23:49,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:23:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-11-10 19:23:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:23:49,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:49,307 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:49,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:23:49,307 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:49,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:49,308 INFO L85 PathProgramCache]: Analyzing trace with hash 379739425, now seen corresponding path program 1 times [2024-11-10 19:23:49,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:49,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782891855] [2024-11-10 19:23:49,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:49,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:49,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:49,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:49,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:49,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782891855] [2024-11-10 19:23:49,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782891855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:49,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:49,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:49,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181635640] [2024-11-10 19:23:49,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:49,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:49,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:49,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:49,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:49,527 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:49,596 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-10 19:23:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:23:49,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-10 19:23:49,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:49,598 INFO L225 Difference]: With dead ends: 82 [2024-11-10 19:23:49,598 INFO L226 Difference]: Without dead ends: 72 [2024-11-10 19:23:49,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 19:23:49,600 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 11 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:49,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 183 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:49,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-10 19:23:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-10 19:23:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 66 states have internal predecessors, (69), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:23:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-10 19:23:49,614 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 15 [2024-11-10 19:23:49,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:49,616 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-10 19:23:49,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2024-11-10 19:23:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 19:23:49,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:49,617 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:49,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:23:49,617 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:49,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:49,619 INFO L85 PathProgramCache]: Analyzing trace with hash 369694493, now seen corresponding path program 1 times [2024-11-10 19:23:49,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:49,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928476973] [2024-11-10 19:23:49,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:49,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:23:49,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879812142] [2024-11-10 19:23:49,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:49,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:49,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:49,652 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 19:23:49,657 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 19:23:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:49,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:23:49,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:49,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:49,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:49,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928476973] [2024-11-10 19:23:49,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:23:49,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879812142] [2024-11-10 19:23:49,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879812142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:49,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:49,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:23:49,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643992424] [2024-11-10 19:23:49,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:49,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:23:49,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:49,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:23:49,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:23:49,739 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:49,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:49,874 INFO L93 Difference]: Finished difference Result 115 states and 127 transitions. [2024-11-10 19:23:49,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:23:49,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-10 19:23:49,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:49,878 INFO L225 Difference]: With dead ends: 115 [2024-11-10 19:23:49,878 INFO L226 Difference]: Without dead ends: 109 [2024-11-10 19:23:49,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 19:23:49,879 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:49,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 99 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:49,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-10 19:23:49,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 98. [2024-11-10 19:23:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 91 states have internal predecessors, (109), 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 19:23:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 117 transitions. [2024-11-10 19:23:49,898 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 117 transitions. Word has length 19 [2024-11-10 19:23:49,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:49,898 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 117 transitions. [2024-11-10 19:23:49,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2024-11-10 19:23:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:23:49,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:49,899 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:49,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:23:50,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:50,102 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:50,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:50,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1205877189, now seen corresponding path program 1 times [2024-11-10 19:23:50,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:50,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872229832] [2024-11-10 19:23:50,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:50,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:50,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:50,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872229832] [2024-11-10 19:23:50,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872229832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:50,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:50,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:50,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360489767] [2024-11-10 19:23:50,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:50,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:50,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:50,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:50,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:50,203 INFO L87 Difference]: Start difference. First operand 98 states and 117 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:50,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:50,324 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2024-11-10 19:23:50,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:50,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-10 19:23:50,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:50,326 INFO L225 Difference]: With dead ends: 151 [2024-11-10 19:23:50,326 INFO L226 Difference]: Without dead ends: 144 [2024-11-10 19:23:50,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:50,327 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 46 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:50,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 101 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:50,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-10 19:23:50,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 135. [2024-11-10 19:23:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 105 states have (on average 1.5333333333333334) internal successors, (161), 126 states have internal predecessors, (161), 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 19:23:50,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 173 transitions. [2024-11-10 19:23:50,337 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 173 transitions. Word has length 21 [2024-11-10 19:23:50,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:50,337 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 173 transitions. [2024-11-10 19:23:50,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 173 transitions. [2024-11-10 19:23:50,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 19:23:50,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:50,338 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:50,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:23:50,339 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:50,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:50,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1272512820, now seen corresponding path program 1 times [2024-11-10 19:23:50,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:50,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257836248] [2024-11-10 19:23:50,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:50,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:50,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:50,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257836248] [2024-11-10 19:23:50,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257836248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:50,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:50,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:50,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657141298] [2024-11-10 19:23:50,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:50,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:50,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:50,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:50,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:50,523 INFO L87 Difference]: Start difference. First operand 135 states and 173 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:50,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:50,685 INFO L93 Difference]: Finished difference Result 148 states and 178 transitions. [2024-11-10 19:23:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:50,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-10 19:23:50,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:50,686 INFO L225 Difference]: With dead ends: 148 [2024-11-10 19:23:50,686 INFO L226 Difference]: Without dead ends: 139 [2024-11-10 19:23:50,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:50,688 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 46 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:50,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:23:50,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-10 19:23:50,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2024-11-10 19:23:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.504950495049505) internal successors, (152), 122 states have internal predecessors, (152), 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 19:23:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 164 transitions. [2024-11-10 19:23:50,702 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 164 transitions. Word has length 22 [2024-11-10 19:23:50,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:50,703 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 164 transitions. [2024-11-10 19:23:50,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2024-11-10 19:23:50,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 19:23:50,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:50,704 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:50,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:23:50,705 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:50,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:50,706 INFO L85 PathProgramCache]: Analyzing trace with hash 793191769, now seen corresponding path program 1 times [2024-11-10 19:23:50,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:50,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829027883] [2024-11-10 19:23:50,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:50,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:23:50,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:50,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829027883] [2024-11-10 19:23:50,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829027883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:50,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216305992] [2024-11-10 19:23:50,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:50,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:50,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:50,898 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 19:23:50,906 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 19:23:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:50,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:23:50,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:51,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:51,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216305992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:51,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:51,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:23:51,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64600080] [2024-11-10 19:23:51,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:51,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:51,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:51,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:51,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:51,041 INFO L87 Difference]: Start difference. First operand 131 states and 164 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:51,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:51,145 INFO L93 Difference]: Finished difference Result 136 states and 170 transitions. [2024-11-10 19:23:51,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:51,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-10 19:23:51,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:51,146 INFO L225 Difference]: With dead ends: 136 [2024-11-10 19:23:51,146 INFO L226 Difference]: Without dead ends: 135 [2024-11-10 19:23:51,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:23:51,147 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 91 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:51,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 80 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:51,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-10 19:23:51,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2024-11-10 19:23:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.495049504950495) internal successors, (151), 122 states have internal predecessors, (151), 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 19:23:51,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 163 transitions. [2024-11-10 19:23:51,155 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 163 transitions. Word has length 23 [2024-11-10 19:23:51,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:51,155 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 163 transitions. [2024-11-10 19:23:51,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 163 transitions. [2024-11-10 19:23:51,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 19:23:51,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:51,156 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:51,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:23:51,360 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,SelfDestructingSolverStorable5 [2024-11-10 19:23:51,361 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:51,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:51,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1180858926, now seen corresponding path program 1 times [2024-11-10 19:23:51,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:51,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669210385] [2024-11-10 19:23:51,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:51,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:23:51,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954574331] [2024-11-10 19:23:51,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:51,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:51,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:51,378 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 19:23:51,382 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 19:23:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:51,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:23:51,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:51,524 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:51,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669210385] [2024-11-10 19:23:51,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:23:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954574331] [2024-11-10 19:23:51,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954574331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:51,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:51,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:51,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606853812] [2024-11-10 19:23:51,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:51,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:51,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:51,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:51,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:51,525 INFO L87 Difference]: Start difference. First operand 131 states and 163 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:51,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:51,629 INFO L93 Difference]: Finished difference Result 133 states and 164 transitions. [2024-11-10 19:23:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:51,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-10 19:23:51,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:51,631 INFO L225 Difference]: With dead ends: 133 [2024-11-10 19:23:51,631 INFO L226 Difference]: Without dead ends: 132 [2024-11-10 19:23:51,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 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 19:23:51,632 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 82 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:51,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 86 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:51,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-10 19:23:51,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2024-11-10 19:23:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 122 states have internal predecessors, (150), 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 19:23:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 162 transitions. [2024-11-10 19:23:51,648 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 162 transitions. Word has length 24 [2024-11-10 19:23:51,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:51,648 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 162 transitions. [2024-11-10 19:23:51,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 162 transitions. [2024-11-10 19:23:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:23:51,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:51,650 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:51,662 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 19:23:51,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:51,851 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:51,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:51,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2126440454, now seen corresponding path program 1 times [2024-11-10 19:23:51,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:51,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638897973] [2024-11-10 19:23:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:51,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:51,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:51,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:23:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:23:51,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:51,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638897973] [2024-11-10 19:23:51,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638897973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:51,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932362706] [2024-11-10 19:23:51,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:51,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:51,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:51,969 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 19:23:51,970 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 19:23:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:23:52,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:23:52,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:23:52,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932362706] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:52,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:52,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-10 19:23:52,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370609892] [2024-11-10 19:23:52,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:52,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:23:52,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:52,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:23:52,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:52,103 INFO L87 Difference]: Start difference. First operand 131 states and 162 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:23:52,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:52,187 INFO L93 Difference]: Finished difference Result 211 states and 258 transitions. [2024-11-10 19:23:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:23:52,187 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 37 [2024-11-10 19:23:52,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:52,188 INFO L225 Difference]: With dead ends: 211 [2024-11-10 19:23:52,189 INFO L226 Difference]: Without dead ends: 209 [2024-11-10 19:23:52,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:23:52,190 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 177 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:52,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 255 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-10 19:23:52,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 187. [2024-11-10 19:23:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 155 states have (on average 1.4774193548387098) internal successors, (229), 176 states have internal predecessors, (229), 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 19:23:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 245 transitions. [2024-11-10 19:23:52,199 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 245 transitions. Word has length 37 [2024-11-10 19:23:52,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:52,199 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 245 transitions. [2024-11-10 19:23:52,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:23:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 245 transitions. [2024-11-10 19:23:52,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 19:23:52,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:52,200 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:52,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:23:52,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:52,405 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:52,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:52,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1495144651, now seen corresponding path program 1 times [2024-11-10 19:23:52,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:52,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601696614] [2024-11-10 19:23:52,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:52,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:23:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:52,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:52,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601696614] [2024-11-10 19:23:52,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601696614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:52,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:52,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:52,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801383158] [2024-11-10 19:23:52,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:52,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:52,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:52,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:52,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:52,446 INFO L87 Difference]: Start difference. First operand 187 states and 245 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:52,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:52,477 INFO L93 Difference]: Finished difference Result 197 states and 254 transitions. [2024-11-10 19:23:52,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:52,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-10 19:23:52,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:52,478 INFO L225 Difference]: With dead ends: 197 [2024-11-10 19:23:52,478 INFO L226 Difference]: Without dead ends: 195 [2024-11-10 19:23:52,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 19:23:52,479 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 88 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:52,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 82 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:52,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-10 19:23:52,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 185. [2024-11-10 19:23:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 155 states have (on average 1.4451612903225806) internal successors, (224), 174 states have internal predecessors, (224), 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 19:23:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 240 transitions. [2024-11-10 19:23:52,487 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 240 transitions. Word has length 38 [2024-11-10 19:23:52,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:52,487 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 240 transitions. [2024-11-10 19:23:52,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2024-11-10 19:23:52,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:23:52,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:52,489 INFO L215 NwaCegarLoop]: trace histogram [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 19:23:52,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:23:52,489 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:52,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:52,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1251512535, now seen corresponding path program 1 times [2024-11-10 19:23:52,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:52,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328832613] [2024-11-10 19:23:52,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:52,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:23:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:52,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:52,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328832613] [2024-11-10 19:23:52,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328832613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:52,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650050640] [2024-11-10 19:23:52,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:52,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:52,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:52,553 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 19:23:52,563 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 19:23:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:23:52,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:52,644 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:52,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650050640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:52,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:52,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:23:52,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494522106] [2024-11-10 19:23:52,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:52,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:23:52,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:52,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:23:52,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:23:52,646 INFO L87 Difference]: Start difference. First operand 185 states and 240 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:52,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:52,668 INFO L93 Difference]: Finished difference Result 185 states and 240 transitions. [2024-11-10 19:23:52,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:52,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2024-11-10 19:23:52,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:52,670 INFO L225 Difference]: With dead ends: 185 [2024-11-10 19:23:52,670 INFO L226 Difference]: Without dead ends: 184 [2024-11-10 19:23:52,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:23:52,670 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 46 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:52,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 178 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:52,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-10 19:23:52,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-10 19:23:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 155 states have (on average 1.4129032258064516) internal successors, (219), 173 states have internal predecessors, (219), 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 19:23:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 235 transitions. [2024-11-10 19:23:52,678 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 235 transitions. Word has length 41 [2024-11-10 19:23:52,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:52,678 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 235 transitions. [2024-11-10 19:23:52,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 235 transitions. [2024-11-10 19:23:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:23:52,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:52,679 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:23:52,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:23:52,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 19:23:52,880 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:52,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:52,880 INFO L85 PathProgramCache]: Analyzing trace with hash 142182947, now seen corresponding path program 1 times [2024-11-10 19:23:52,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:52,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090719950] [2024-11-10 19:23:52,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:52,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:23:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:52,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:52,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090719950] [2024-11-10 19:23:52,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090719950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:52,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461887746] [2024-11-10 19:23:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:52,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:52,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:52,951 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 19:23:52,953 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 19:23:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:52,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:23:52,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:53,026 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:53,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:53,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461887746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:53,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:53,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-10 19:23:53,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298544411] [2024-11-10 19:23:53,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:53,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:23:53,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:53,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:23:53,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:23:53,028 INFO L87 Difference]: Start difference. First operand 184 states and 235 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:53,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:53,069 INFO L93 Difference]: Finished difference Result 194 states and 244 transitions. [2024-11-10 19:23:53,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:23:53,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-10 19:23:53,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:53,071 INFO L225 Difference]: With dead ends: 194 [2024-11-10 19:23:53,071 INFO L226 Difference]: Without dead ends: 193 [2024-11-10 19:23:53,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:23:53,071 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:53,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 199 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-10 19:23:53,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 183. [2024-11-10 19:23:53,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 155 states have (on average 1.3806451612903226) internal successors, (214), 172 states have internal predecessors, (214), 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 19:23:53,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 230 transitions. [2024-11-10 19:23:53,079 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 230 transitions. Word has length 42 [2024-11-10 19:23:53,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:53,079 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 230 transitions. [2024-11-10 19:23:53,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:53,079 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 230 transitions. [2024-11-10 19:23:53,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:23:53,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:53,080 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:23:53,092 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 19:23:53,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:53,281 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:53,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:53,282 INFO L85 PathProgramCache]: Analyzing trace with hash 934444939, now seen corresponding path program 1 times [2024-11-10 19:23:53,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:53,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831043287] [2024-11-10 19:23:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:53,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:23:53,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569472676] [2024-11-10 19:23:53,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:53,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:53,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:53,292 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 19:23:53,293 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 19:23:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:53,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:23:53,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:53,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:53,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:53,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831043287] [2024-11-10 19:23:53,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:23:53,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569472676] [2024-11-10 19:23:53,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569472676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:53,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:53,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:23:53,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133151865] [2024-11-10 19:23:53,614 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:53,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:23:53,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:53,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:23:53,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:53,615 INFO L87 Difference]: Start difference. First operand 183 states and 230 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:53,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:53,712 INFO L93 Difference]: Finished difference Result 192 states and 235 transitions. [2024-11-10 19:23:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:23:53,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2024-11-10 19:23:53,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:53,713 INFO L225 Difference]: With dead ends: 192 [2024-11-10 19:23:53,714 INFO L226 Difference]: Without dead ends: 185 [2024-11-10 19:23:53,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:23:53,714 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 66 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:53,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 78 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:53,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-10 19:23:53,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 179. [2024-11-10 19:23:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 156 states have (on average 1.2884615384615385) internal successors, (201), 168 states have internal predecessors, (201), 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 19:23:53,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 217 transitions. [2024-11-10 19:23:53,721 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 217 transitions. Word has length 45 [2024-11-10 19:23:53,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:53,721 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 217 transitions. [2024-11-10 19:23:53,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:53,721 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 217 transitions. [2024-11-10 19:23:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:23:53,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:53,722 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 19:23:53,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:23:53,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:53,923 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:53,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:53,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1096977985, now seen corresponding path program 1 times [2024-11-10 19:23:53,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:53,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627814173] [2024-11-10 19:23:53,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:53,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:23:53,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [485424581] [2024-11-10 19:23:53,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:53,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:53,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:53,941 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 19:23:53,942 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 19:23:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:53,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:23:53,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:54,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:54,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:54,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627814173] [2024-11-10 19:23:54,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:23:54,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485424581] [2024-11-10 19:23:54,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485424581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:54,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:54,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:23:54,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686819626] [2024-11-10 19:23:54,471 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:54,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:23:54,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:54,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:23:54,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:54,472 INFO L87 Difference]: Start difference. First operand 179 states and 217 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:54,598 INFO L93 Difference]: Finished difference Result 243 states and 293 transitions. [2024-11-10 19:23:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:23:54,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2024-11-10 19:23:54,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:54,599 INFO L225 Difference]: With dead ends: 243 [2024-11-10 19:23:54,599 INFO L226 Difference]: Without dead ends: 238 [2024-11-10 19:23:54,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:54,600 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 120 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:54,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 131 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:54,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-10 19:23:54,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 229. [2024-11-10 19:23:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 204 states have (on average 1.2696078431372548) internal successors, (259), 216 states have internal predecessors, (259), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:23:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 279 transitions. [2024-11-10 19:23:54,608 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 279 transitions. Word has length 46 [2024-11-10 19:23:54,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:54,608 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 279 transitions. [2024-11-10 19:23:54,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 279 transitions. [2024-11-10 19:23:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-10 19:23:54,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:54,609 INFO L215 NwaCegarLoop]: trace histogram [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 19:23:54,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:23:54,809 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,SelfDestructingSolverStorable12 [2024-11-10 19:23:54,810 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:54,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:54,810 INFO L85 PathProgramCache]: Analyzing trace with hash 102663178, now seen corresponding path program 1 times [2024-11-10 19:23:54,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:54,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522944871] [2024-11-10 19:23:54,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:54,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:54,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:54,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:54,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:23:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:54,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:54,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522944871] [2024-11-10 19:23:54,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522944871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:54,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002115911] [2024-11-10 19:23:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:54,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:54,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:54,871 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 19:23:54,872 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 19:23:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:54,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:23:54,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:55,011 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:55,011 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:55,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002115911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:55,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:55,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 19:23:55,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163236040] [2024-11-10 19:23:55,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:55,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:23:55,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:55,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:23:55,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:23:55,013 INFO L87 Difference]: Start difference. First operand 229 states and 279 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:55,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:55,145 INFO L93 Difference]: Finished difference Result 231 states and 281 transitions. [2024-11-10 19:23:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:23:55,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2024-11-10 19:23:55,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:55,146 INFO L225 Difference]: With dead ends: 231 [2024-11-10 19:23:55,147 INFO L226 Difference]: Without dead ends: 229 [2024-11-10 19:23:55,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:23:55,147 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 31 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:55,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 88 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:55,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-10 19:23:55,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 224. [2024-11-10 19:23:55,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 201 states have (on average 1.2587064676616915) internal successors, (253), 211 states have internal predecessors, (253), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:23:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 273 transitions. [2024-11-10 19:23:55,155 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 273 transitions. Word has length 47 [2024-11-10 19:23:55,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:55,155 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 273 transitions. [2024-11-10 19:23:55,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:23:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 273 transitions. [2024-11-10 19:23:55,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:23:55,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:55,156 INFO L215 NwaCegarLoop]: trace histogram [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 19:23:55,169 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 19:23:55,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:23:55,360 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:55,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:55,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1112408804, now seen corresponding path program 1 times [2024-11-10 19:23:55,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:55,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311459209] [2024-11-10 19:23:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:55,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:23:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:23:55,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:55,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311459209] [2024-11-10 19:23:55,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311459209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:55,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874307819] [2024-11-10 19:23:55,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:55,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:55,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:55,559 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 19:23:55,561 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 19:23:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:23:55,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:55,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:55,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874307819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:55,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:23:55,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3] total 11 [2024-11-10 19:23:55,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958235034] [2024-11-10 19:23:55,796 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:55,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:23:55,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:55,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:23:55,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:23:55,797 INFO L87 Difference]: Start difference. First operand 224 states and 273 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-10 19:23:56,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:56,436 INFO L93 Difference]: Finished difference Result 251 states and 292 transitions. [2024-11-10 19:23:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:23:56,436 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 48 [2024-11-10 19:23:56,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:56,438 INFO L225 Difference]: With dead ends: 251 [2024-11-10 19:23:56,438 INFO L226 Difference]: Without dead ends: 228 [2024-11-10 19:23:56,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:23:56,440 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 170 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:56,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 191 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:23:56,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-10 19:23:56,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 218. [2024-11-10 19:23:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 195 states have (on average 1.2) internal successors, (234), 205 states have internal predecessors, (234), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:23:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 254 transitions. [2024-11-10 19:23:56,448 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 254 transitions. Word has length 48 [2024-11-10 19:23:56,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:56,448 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 254 transitions. [2024-11-10 19:23:56,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-10 19:23:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 254 transitions. [2024-11-10 19:23:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:23:56,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:56,449 INFO L215 NwaCegarLoop]: trace histogram [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 19:23:56,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:23:56,650 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,SelfDestructingSolverStorable14 [2024-11-10 19:23:56,650 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:56,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:56,652 INFO L85 PathProgramCache]: Analyzing trace with hash 402735887, now seen corresponding path program 1 times [2024-11-10 19:23:56,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:56,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238227909] [2024-11-10 19:23:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:56,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:56,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:56,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:23:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:56,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:56,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238227909] [2024-11-10 19:23:56,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238227909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:56,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572697808] [2024-11-10 19:23:56,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:56,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:56,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:56,718 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 19:23:56,724 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 19:23:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:56,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:23:56,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:56,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:56,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572697808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:56,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:56,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 9 [2024-11-10 19:23:56,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147427466] [2024-11-10 19:23:56,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:56,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:23:56,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:56,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:23:56,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:56,867 INFO L87 Difference]: Start difference. First operand 218 states and 254 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:23:56,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:56,911 INFO L93 Difference]: Finished difference Result 222 states and 257 transitions. [2024-11-10 19:23:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:23:56,911 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 49 [2024-11-10 19:23:56,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:56,912 INFO L225 Difference]: With dead ends: 222 [2024-11-10 19:23:56,912 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 19:23:56,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 98 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:23:56,913 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 18 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:56,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 206 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:56,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 19:23:56,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 19:23:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:23:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 19:23:56,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2024-11-10 19:23:56,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:56,914 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 19:23:56,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:23:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 19:23:56,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 19:23:56,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-10 19:23:56,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-10 19:23:56,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-10 19:23:56,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-10 19:23:56,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-10 19:23:56,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-10 19:23:56,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-10 19:23:56,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-10 19:23:56,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-10 19:23:56,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-10 19:23:56,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-10 19:23:56,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-10 19:23:56,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-10 19:23:56,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:23:57,122 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,SelfDestructingSolverStorable15 [2024-11-10 19:23:57,125 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:57,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 19:23:57,218 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 19:23:57,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:23:57 BoogieIcfgContainer [2024-11-10 19:23:57,244 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 19:23:57,245 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 19:23:57,245 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 19:23:57,245 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 19:23:57,245 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:23:48" (3/4) ... [2024-11-10 19:23:57,247 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 19:23:57,254 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-10 19:23:57,258 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-10 19:23:57,261 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-10 19:23:57,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 19:23:57,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 19:23:57,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 19:23:57,344 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 19:23:57,344 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 19:23:57,344 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 19:23:57,345 INFO L158 Benchmark]: Toolchain (without parser) took 9012.81ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 97.6MB in the beginning and 119.5MB in the end (delta: -21.9MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-10 19:23:57,345 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 169.9MB. Free memory was 123.6MB in the beginning and 123.5MB in the end (delta: 155.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:23:57,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.95ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 138.0MB in the end (delta: -40.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-10 19:23:57,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.85ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 141.4MB in the end (delta: -3.5MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-10 19:23:57,346 INFO L158 Benchmark]: Boogie Preprocessor took 31.23ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 140.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:23:57,346 INFO L158 Benchmark]: IcfgBuilder took 304.96ms. Allocated memory is still 169.9MB. Free memory was 140.4MB in the beginning and 124.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 19:23:57,346 INFO L158 Benchmark]: TraceAbstraction took 8292.75ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 124.6MB in the beginning and 124.7MB in the end (delta: -50.6kB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2024-11-10 19:23:57,346 INFO L158 Benchmark]: Witness Printer took 99.72ms. Allocated memory is still 230.7MB. Free memory was 124.7MB in the beginning and 119.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 19:23:57,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 169.9MB. Free memory was 123.6MB in the beginning and 123.5MB in the end (delta: 155.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.95ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 138.0MB in the end (delta: -40.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.85ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 141.4MB in the end (delta: -3.5MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.23ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 140.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 304.96ms. Allocated memory is still 169.9MB. Free memory was 140.4MB in the beginning and 124.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8292.75ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 124.6MB in the beginning and 124.7MB in the end (delta: -50.6kB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Witness Printer took 99.72ms. Allocated memory is still 230.7MB. Free memory was 124.7MB in the beginning and 119.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 16, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1078 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1069 mSDsluCounter, 2139 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1297 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1162 IncrementalHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 842 mSDtfsCounter, 1162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 688 GetRequests, 583 SyntacticMatches, 3 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=13, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 105 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 953 NumberOfCodeBlocks, 953 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 880 ConstructedInterpolants, 0 QuantifiedInterpolants, 3451 SizeOfPredicates, 9 NumberOfNonLiveVariables, 938 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 25 InterpolantComputations, 11 PerfectInterpolantSequences, 118/170 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 36]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 12]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: (((cond != 0) && (counter == 0)) && (counter == \old(counter))) - ProcedureContractResult [Line: 15]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-10 19:23:57,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE