./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/hard-u_unwindbound100.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 aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:39:35,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:39:35,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:39:35,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:39:35,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:39:35,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:39:35,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:39:35,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:39:35,546 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:39:35,547 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:39:35,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:39:35,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:39:35,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:39:35,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:39:35,549 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:39:35,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:39:35,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:39:35,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:39:35,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:39:35,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:39:35,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:39:35,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:39:35,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:39:35,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:39:35,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:39:35,556 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:39:35,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:39:35,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:39:35,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:39:35,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:39:35,557 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:39:35,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:39:35,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:39:35,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:39:35,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:39:35,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:39:35,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:39:35,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:39:35,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:39:35,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:39:35,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:39:35,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:39:35,568 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:39:35,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:39:35,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa72233183b4e91144bd6a6eb8a8b140b7f90e590c3e855f829f337fec510ab9 [2024-11-17 04:39:35,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:39:35,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:39:35,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:39:35,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:39:35,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:39:35,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-11-17 04:39:37,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:39:37,563 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:39:37,564 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound100.c [2024-11-17 04:39:37,574 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d7d5c54/428bd12b53b14baf97d9442a01f33794/FLAGe492081f9 [2024-11-17 04:39:37,590 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d7d5c54/428bd12b53b14baf97d9442a01f33794 [2024-11-17 04:39:37,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:39:37,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:39:37,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:39:37,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:39:37,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:39:37,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d6691a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37, skipping insertion in model container [2024-11-17 04:39:37,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:39:37,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:39:37,843 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:39:37,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:39:37,887 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:39:37,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37 WrapperNode [2024-11-17 04:39:37,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:39:37,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:39:37,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:39:37,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:39:37,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,924 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-17 04:39:37,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:39:37,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:39:37,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:39:37,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:39:37,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,956 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]. [2024-11-17 04:39:37,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,960 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:39:37,973 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:39:37,973 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:39:37,973 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:39:37,974 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (1/1) ... [2024-11-17 04:39:37,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:39:37,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:38,006 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) [2024-11-17 04:39:38,008 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 [2024-11-17 04:39:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:39:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:39:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:39:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:39:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:39:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:39:38,114 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:39:38,116 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:39:38,297 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-17 04:39:38,297 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:39:38,314 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:39:38,315 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:39:38,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:39:38 BoogieIcfgContainer [2024-11-17 04:39:38,316 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:39:38,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:39:38,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:39:38,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:39:38,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:39:37" (1/3) ... [2024-11-17 04:39:38,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be36087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:39:38, skipping insertion in model container [2024-11-17 04:39:38,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:39:37" (2/3) ... [2024-11-17 04:39:38,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be36087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:39:38, skipping insertion in model container [2024-11-17 04:39:38,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:39:38" (3/3) ... [2024-11-17 04:39:38,327 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-u_unwindbound100.c [2024-11-17 04:39:38,345 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:39:38,345 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 04:39:38,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:39:38,413 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;@2d842c60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:39:38,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 04:39:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.52) internal successors, (38), 29 states have internal predecessors, (38), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:39:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:39:38,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:38,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:39:38,424 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:38,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:38,430 INFO L85 PathProgramCache]: Analyzing trace with hash 2128991902, now seen corresponding path program 1 times [2024-11-17 04:39:38,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:38,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399360227] [2024-11-17 04:39:38,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:38,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:39:38,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:38,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399360227] [2024-11-17 04:39:38,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399360227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:39:38,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:39:38,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:39:38,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462735468] [2024-11-17 04:39:38,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:39:38,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:39:38,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:38,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:39:38,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:39:38,621 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.52) internal successors, (38), 29 states have internal predecessors, (38), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-17 04:39:38,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:38,648 INFO L93 Difference]: Finished difference Result 72 states and 106 transitions. [2024-11-17 04:39:38,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:39:38,651 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:39:38,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:38,656 INFO L225 Difference]: With dead ends: 72 [2024-11-17 04:39:38,657 INFO L226 Difference]: Without dead ends: 30 [2024-11-17 04:39:38,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:39:38,662 INFO L432 NwaCegarLoop]: 47 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, 47 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 [2024-11-17 04:39:38,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:39:38,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-17 04:39:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-17 04:39:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.35) internal successors, (27), 23 states have internal predecessors, (27), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:39:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-11-17 04:39:38,698 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 6 [2024-11-17 04:39:38,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:38,698 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-11-17 04:39:38,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-17 04:39:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-17 04:39:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:39:38,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:38,699 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:39:38,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:39:38,700 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:38,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:38,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2129021693, now seen corresponding path program 1 times [2024-11-17 04:39:38,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:38,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527260987] [2024-11-17 04:39:38,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:38,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:39:38,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:38,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527260987] [2024-11-17 04:39:38,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527260987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:39:38,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:39:38,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:39:38,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106736994] [2024-11-17 04:39:38,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:39:38,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:39:38,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:38,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:39:38,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:39:38,788 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-17 04:39:38,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:38,850 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2024-11-17 04:39:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:39:38,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:39:38,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:38,852 INFO L225 Difference]: With dead ends: 40 [2024-11-17 04:39:38,852 INFO L226 Difference]: Without dead ends: 39 [2024-11-17 04:39:38,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:39:38,854 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 25 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 70 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 [2024-11-17 04:39:38,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 70 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:39:38,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-17 04:39:38,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2024-11-17 04:39:38,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 25 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:39:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2024-11-17 04:39:38,864 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 6 [2024-11-17 04:39:38,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:38,865 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2024-11-17 04:39:38,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-17 04:39:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2024-11-17 04:39:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:39:38,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:38,867 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:38,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:39:38,867 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:38,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:38,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1575163045, now seen corresponding path program 1 times [2024-11-17 04:39:38,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:38,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729110906] [2024-11-17 04:39:38,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:38,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:38,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:39:38,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:38,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729110906] [2024-11-17 04:39:38,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729110906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:39:38,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:39:38,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:39:38,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278911627] [2024-11-17 04:39:38,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:39:38,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:39:38,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:38,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:39:38,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:39:38,955 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-17 04:39:39,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:39,006 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2024-11-17 04:39:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:39:39,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 04:39:39,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:39,008 INFO L225 Difference]: With dead ends: 54 [2024-11-17 04:39:39,008 INFO L226 Difference]: Without dead ends: 38 [2024-11-17 04:39:39,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:39:39,010 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:39,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 86 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:39:39,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-17 04:39:39,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-17 04:39:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 30 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:39:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2024-11-17 04:39:39,022 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 7 [2024-11-17 04:39:39,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:39,022 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-11-17 04:39:39,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-17 04:39:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-11-17 04:39:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 04:39:39,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:39,028 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:39,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:39:39,029 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:39,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash 859308786, now seen corresponding path program 1 times [2024-11-17 04:39:39,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:39,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712141785] [2024-11-17 04:39:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:39,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:39:39,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:39,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712141785] [2024-11-17 04:39:39,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712141785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:39:39,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:39:39,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:39:39,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555153328] [2024-11-17 04:39:39,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:39:39,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:39:39,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:39,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:39:39,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:39:39,320 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:39:39,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:39,424 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2024-11-17 04:39:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:39:39,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-17 04:39:39,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:39,426 INFO L225 Difference]: With dead ends: 38 [2024-11-17 04:39:39,428 INFO L226 Difference]: Without dead ends: 37 [2024-11-17 04:39:39,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:39:39,430 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 31 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:39,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 67 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:39:39,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-17 04:39:39,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-17 04:39:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:39:39,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2024-11-17 04:39:39,443 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 27 [2024-11-17 04:39:39,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:39,445 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-11-17 04:39:39,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:39:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-11-17 04:39:39,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:39:39,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:39,446 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:39,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:39:39,447 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:39,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:39,448 INFO L85 PathProgramCache]: Analyzing trace with hash 868768576, now seen corresponding path program 1 times [2024-11-17 04:39:39,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:39,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3086687] [2024-11-17 04:39:39,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:39,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:39:39,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:39,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3086687] [2024-11-17 04:39:39,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3086687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:39:39,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:39:39,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:39:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730864888] [2024-11-17 04:39:39,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:39:39,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:39:39,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:39,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:39:39,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:39:39,601 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:39:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:39,709 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2024-11-17 04:39:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:39:39,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-17 04:39:39,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:39,711 INFO L225 Difference]: With dead ends: 56 [2024-11-17 04:39:39,713 INFO L226 Difference]: Without dead ends: 55 [2024-11-17 04:39:39,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:39:39,714 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:39,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 104 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:39:39,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-17 04:39:39,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2024-11-17 04:39:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 36 states have internal predecessors, (41), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:39:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2024-11-17 04:39:39,727 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 28 [2024-11-17 04:39:39,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:39,728 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2024-11-17 04:39:39,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:39:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2024-11-17 04:39:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:39:39,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:39,729 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:39,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:39:39,729 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:39,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:39,730 INFO L85 PathProgramCache]: Analyzing trace with hash 868844046, now seen corresponding path program 1 times [2024-11-17 04:39:39,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:39,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448453791] [2024-11-17 04:39:39,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:39,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:39:39,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:39,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448453791] [2024-11-17 04:39:39,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448453791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:39,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429399815] [2024-11-17 04:39:39,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:39,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:39,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:39,839 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) [2024-11-17 04:39:39,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:39:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:39,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:39:39,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:40,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:39:40,004 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:39:40,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429399815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:39:40,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:39:40,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-17 04:39:40,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085372852] [2024-11-17 04:39:40,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:39:40,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:39:40,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:40,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:39:40,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:39:40,006 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:39:40,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:40,067 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2024-11-17 04:39:40,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:39:40,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-17 04:39:40,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:40,068 INFO L225 Difference]: With dead ends: 53 [2024-11-17 04:39:40,069 INFO L226 Difference]: Without dead ends: 52 [2024-11-17 04:39:40,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:39:40,070 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 15 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:40,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 88 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:39:40,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-17 04:39:40,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2024-11-17 04:39:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:39:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-11-17 04:39:40,078 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 28 [2024-11-17 04:39:40,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:40,079 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-11-17 04:39:40,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:39:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-11-17 04:39:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:39:40,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:40,080 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:40,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:39:40,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 04:39:40,281 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:40,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:40,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1345776952, now seen corresponding path program 1 times [2024-11-17 04:39:40,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:40,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628635563] [2024-11-17 04:39:40,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:40,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:40,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:40,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:40,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:40,405 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:39:40,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:40,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628635563] [2024-11-17 04:39:40,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628635563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:40,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939660166] [2024-11-17 04:39:40,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:40,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:40,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:40,410 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) [2024-11-17 04:39:40,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:39:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:40,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:39:40,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:39:40,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:39:40,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939660166] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:40,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:39:40,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-17 04:39:40,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306609128] [2024-11-17 04:39:40,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:40,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:39:40,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:40,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:39:40,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:39:40,665 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-17 04:39:40,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:40,858 INFO L93 Difference]: Finished difference Result 103 states and 123 transitions. [2024-11-17 04:39:40,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:39:40,859 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 33 [2024-11-17 04:39:40,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:40,860 INFO L225 Difference]: With dead ends: 103 [2024-11-17 04:39:40,860 INFO L226 Difference]: Without dead ends: 89 [2024-11-17 04:39:40,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:39:40,864 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 58 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:40,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 119 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:39:40,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-17 04:39:40,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 78. [2024-11-17 04:39:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 58 states have internal predecessors, (65), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:39:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions. [2024-11-17 04:39:40,889 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 33 [2024-11-17 04:39:40,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:40,890 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions. [2024-11-17 04:39:40,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-17 04:39:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2024-11-17 04:39:40,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:39:40,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:40,893 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:40,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:39:41,094 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,SelfDestructingSolverStorable6 [2024-11-17 04:39:41,095 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:41,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:41,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1898105406, now seen corresponding path program 1 times [2024-11-17 04:39:41,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:41,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790097492] [2024-11-17 04:39:41,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:41,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:41,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:41,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:41,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:41,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:39:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:41,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:39:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:39:41,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:41,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790097492] [2024-11-17 04:39:41,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790097492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:41,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57564608] [2024-11-17 04:39:41,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:41,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:41,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:41,262 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) [2024-11-17 04:39:41,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:39:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:41,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:39:41,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:39:41,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:39:41,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57564608] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:41,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:39:41,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-11-17 04:39:41,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430328474] [2024-11-17 04:39:41,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:41,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 04:39:41,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:41,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 04:39:41,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:39:41,571 INFO L87 Difference]: Start difference. First operand 78 states and 93 transitions. Second operand has 18 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 18 states have internal predecessors, (62), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-17 04:39:41,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:41,942 INFO L93 Difference]: Finished difference Result 145 states and 174 transitions. [2024-11-17 04:39:41,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 04:39:41,943 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 18 states have internal predecessors, (62), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 45 [2024-11-17 04:39:41,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:41,944 INFO L225 Difference]: With dead ends: 145 [2024-11-17 04:39:41,945 INFO L226 Difference]: Without dead ends: 144 [2024-11-17 04:39:41,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=770, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:39:41,946 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 130 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:41,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 215 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:39:41,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-17 04:39:41,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 143. [2024-11-17 04:39:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 108 states have (on average 1.1111111111111112) internal successors, (120), 108 states have internal predecessors, (120), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-17 04:39:41,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2024-11-17 04:39:41,964 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 45 [2024-11-17 04:39:41,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:41,966 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2024-11-17 04:39:41,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.6470588235294117) internal successors, (62), 18 states have internal predecessors, (62), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-17 04:39:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2024-11-17 04:39:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-17 04:39:41,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:41,969 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:41,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:39:42,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:42,170 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:42,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:42,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1147617105, now seen corresponding path program 2 times [2024-11-17 04:39:42,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:42,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159840728] [2024-11-17 04:39:42,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:42,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:39:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:39:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-17 04:39:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-17 04:39:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:39:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:39:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:39:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:39:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 04:39:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-17 04:39:42,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:42,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159840728] [2024-11-17 04:39:42,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159840728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:42,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703458595] [2024-11-17 04:39:42,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:39:42,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:42,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:42,465 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) [2024-11-17 04:39:42,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:39:42,536 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:39:42,537 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:39:42,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:39:42,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 16 proven. 274 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:39:42,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-17 04:39:43,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703458595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:43,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:39:43,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2024-11-17 04:39:43,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080236998] [2024-11-17 04:39:43,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:43,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-17 04:39:43,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:43,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-17 04:39:43,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=861, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:39:43,143 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand has 34 states, 34 states have (on average 3.411764705882353) internal successors, (116), 34 states have internal predecessors, (116), 12 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-17 04:39:43,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:43,672 INFO L93 Difference]: Finished difference Result 216 states and 253 transitions. [2024-11-17 04:39:43,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 04:39:43,673 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.411764705882353) internal successors, (116), 34 states have internal predecessors, (116), 12 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 96 [2024-11-17 04:39:43,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:43,675 INFO L225 Difference]: With dead ends: 216 [2024-11-17 04:39:43,675 INFO L226 Difference]: Without dead ends: 202 [2024-11-17 04:39:43,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=791, Invalid=2071, Unknown=0, NotChecked=0, Total=2862 [2024-11-17 04:39:43,677 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 248 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:43,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 187 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:39:43,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-17 04:39:43,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 156. [2024-11-17 04:39:43,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 117 states have (on average 1.1111111111111112) internal successors, (130), 117 states have internal predecessors, (130), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-17 04:39:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2024-11-17 04:39:43,711 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 96 [2024-11-17 04:39:43,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:43,711 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2024-11-17 04:39:43,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.411764705882353) internal successors, (116), 34 states have internal predecessors, (116), 12 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-17 04:39:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2024-11-17 04:39:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-17 04:39:43,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:43,717 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:43,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:39:43,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:43,919 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:43,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:43,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1053930871, now seen corresponding path program 1 times [2024-11-17 04:39:43,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:43,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588152690] [2024-11-17 04:39:43,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:43,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:39:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:39:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-17 04:39:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-17 04:39:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:39:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:39:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:39:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 04:39:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:39:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:39:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-17 04:39:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:39:44,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:44,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588152690] [2024-11-17 04:39:44,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588152690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:44,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759427490] [2024-11-17 04:39:44,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:44,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:44,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:44,350 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) [2024-11-17 04:39:44,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:39:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:44,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:39:44,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:44,789 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 4 proven. 395 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:39:44,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 4 proven. 71 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:39:45,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759427490] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:45,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:39:45,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 41 [2024-11-17 04:39:45,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089098768] [2024-11-17 04:39:45,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:45,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-17 04:39:45,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:45,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-17 04:39:45,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=1344, Unknown=0, NotChecked=0, Total=1722 [2024-11-17 04:39:45,210 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand has 42 states, 41 states have (on average 3.7804878048780486) internal successors, (155), 42 states have internal predecessors, (155), 18 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 18 states have call predecessors, (42), 18 states have call successors, (42) [2024-11-17 04:39:46,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:46,398 INFO L93 Difference]: Finished difference Result 401 states and 475 transitions. [2024-11-17 04:39:46,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-17 04:39:46,399 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 3.7804878048780486) internal successors, (155), 42 states have internal predecessors, (155), 18 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 18 states have call predecessors, (42), 18 states have call successors, (42) Word has length 117 [2024-11-17 04:39:46,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:46,404 INFO L225 Difference]: With dead ends: 401 [2024-11-17 04:39:46,404 INFO L226 Difference]: Without dead ends: 400 [2024-11-17 04:39:46,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1659, Invalid=4661, Unknown=0, NotChecked=0, Total=6320 [2024-11-17 04:39:46,409 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 334 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:46,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 291 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:39:46,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-17 04:39:46,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 273. [2024-11-17 04:39:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 207 states have (on average 1.106280193236715) internal successors, (229), 207 states have internal predecessors, (229), 45 states have call successors, (45), 20 states have call predecessors, (45), 20 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-17 04:39:46,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 319 transitions. [2024-11-17 04:39:46,451 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 319 transitions. Word has length 117 [2024-11-17 04:39:46,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:46,452 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 319 transitions. [2024-11-17 04:39:46,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 3.7804878048780486) internal successors, (155), 42 states have internal predecessors, (155), 18 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 18 states have call predecessors, (42), 18 states have call successors, (42) [2024-11-17 04:39:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 319 transitions. [2024-11-17 04:39:46,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-17 04:39:46,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:46,456 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:46,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:39:46,660 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 [2024-11-17 04:39:46,661 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:46,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:46,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2057758304, now seen corresponding path program 2 times [2024-11-17 04:39:46,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:46,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311169136] [2024-11-17 04:39:46,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:46,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:39:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:39:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-17 04:39:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-17 04:39:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:39:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:39:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:39:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:39:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-17 04:39:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 04:39:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 04:39:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-17 04:39:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-17 04:39:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:39:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-17 04:39:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-17 04:39:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-17 04:39:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 04:39:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-17 04:39:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-17 04:39:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-17 04:39:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-17 04:39:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-17 04:39:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-17 04:39:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-17 04:39:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-17 04:39:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2086 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-17 04:39:47,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:47,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311169136] [2024-11-17 04:39:47,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311169136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:47,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567010793] [2024-11-17 04:39:47,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:39:47,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:47,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:47,897 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) [2024-11-17 04:39:47,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:39:48,030 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:39:48,030 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:39:48,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:39:48,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2086 backedges. 562 proven. 1395 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-17 04:39:48,906 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2086 backedges. 10 proven. 435 refuted. 0 times theorem prover too weak. 1641 trivial. 0 not checked. [2024-11-17 04:39:50,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567010793] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:50,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:39:50,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 24, 24] total 75 [2024-11-17 04:39:50,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867932059] [2024-11-17 04:39:50,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:50,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-11-17 04:39:50,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:50,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-11-17 04:39:50,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1337, Invalid=4363, Unknown=0, NotChecked=0, Total=5700 [2024-11-17 04:39:50,045 INFO L87 Difference]: Start difference. First operand 273 states and 319 transitions. Second operand has 76 states, 75 states have (on average 3.9066666666666667) internal successors, (293), 76 states have internal predecessors, (293), 36 states have call successors, (78), 12 states have call predecessors, (78), 12 states have return successors, (78), 36 states have call predecessors, (78), 36 states have call successors, (78) [2024-11-17 04:39:52,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:52,990 INFO L93 Difference]: Finished difference Result 938 states and 1106 transitions. [2024-11-17 04:39:52,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-11-17 04:39:52,991 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 75 states have (on average 3.9066666666666667) internal successors, (293), 76 states have internal predecessors, (293), 36 states have call successors, (78), 12 states have call predecessors, (78), 12 states have return successors, (78), 36 states have call predecessors, (78), 36 states have call successors, (78) Word has length 240 [2024-11-17 04:39:52,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:52,998 INFO L225 Difference]: With dead ends: 938 [2024-11-17 04:39:52,998 INFO L226 Difference]: Without dead ends: 937 [2024-11-17 04:39:53,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4872 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=6408, Invalid=16242, Unknown=0, NotChecked=0, Total=22650 [2024-11-17 04:39:53,007 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 866 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:53,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 404 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:39:53,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-17 04:39:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 507. [2024-11-17 04:39:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 387 states have (on average 1.103359173126615) internal successors, (427), 387 states have internal predecessors, (427), 81 states have call successors, (81), 38 states have call predecessors, (81), 38 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-17 04:39:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 589 transitions. [2024-11-17 04:39:53,068 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 589 transitions. Word has length 240 [2024-11-17 04:39:53,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:53,069 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 589 transitions. [2024-11-17 04:39:53,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 75 states have (on average 3.9066666666666667) internal successors, (293), 76 states have internal predecessors, (293), 36 states have call successors, (78), 12 states have call predecessors, (78), 12 states have return successors, (78), 36 states have call predecessors, (78), 36 states have call successors, (78) [2024-11-17 04:39:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 589 transitions. [2024-11-17 04:39:53,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-17 04:39:53,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:53,075 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:53,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:39:53,275 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 [2024-11-17 04:39:53,276 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:53,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:53,276 INFO L85 PathProgramCache]: Analyzing trace with hash 29950664, now seen corresponding path program 1 times [2024-11-17 04:39:53,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:53,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596510702] [2024-11-17 04:39:53,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:53,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:39:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:39:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-17 04:39:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-17 04:39:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:39:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:39:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:39:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:39:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 04:39:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-17 04:39:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-17 04:39:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:39:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-17 04:39:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-17 04:39:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:39:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-17 04:39:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-17 04:39:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 04:39:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-17 04:39:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-17 04:39:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-17 04:39:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-17 04:39:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-17 04:39:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-17 04:39:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-17 04:39:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-17 04:39:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-17 04:39:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-17 04:39:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-17 04:39:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-17 04:39:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-17 04:39:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-17 04:39:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2930 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 2815 trivial. 0 not checked. [2024-11-17 04:39:53,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:53,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596510702] [2024-11-17 04:39:53,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596510702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:53,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68432936] [2024-11-17 04:39:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:53,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:53,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:53,841 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) [2024-11-17 04:39:53,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:39:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:53,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:39:53,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2930 backedges. 1200 proven. 475 refuted. 0 times theorem prover too weak. 1255 trivial. 0 not checked. [2024-11-17 04:39:54,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2930 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 2815 trivial. 0 not checked. [2024-11-17 04:39:54,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68432936] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:54,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:39:54,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 26 [2024-11-17 04:39:54,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387692590] [2024-11-17 04:39:54,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:54,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 04:39:54,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:54,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 04:39:54,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=469, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:39:54,437 INFO L87 Difference]: Start difference. First operand 507 states and 589 transitions. Second operand has 26 states, 26 states have (on average 4.115384615384615) internal successors, (107), 26 states have internal predecessors, (107), 11 states have call successors, (49), 7 states have call predecessors, (49), 7 states have return successors, (49), 11 states have call predecessors, (49), 11 states have call successors, (49) [2024-11-17 04:39:54,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:54,952 INFO L93 Difference]: Finished difference Result 772 states and 902 transitions. [2024-11-17 04:39:54,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-17 04:39:54,956 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.115384615384615) internal successors, (107), 26 states have internal predecessors, (107), 11 states have call successors, (49), 7 states have call predecessors, (49), 7 states have return successors, (49), 11 states have call predecessors, (49), 11 states have call successors, (49) Word has length 287 [2024-11-17 04:39:54,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:54,960 INFO L225 Difference]: With dead ends: 772 [2024-11-17 04:39:54,960 INFO L226 Difference]: Without dead ends: 638 [2024-11-17 04:39:54,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=779, Invalid=1573, Unknown=0, NotChecked=0, Total=2352 [2024-11-17 04:39:54,965 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 284 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:54,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 249 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:39:54,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-17 04:39:55,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 598. [2024-11-17 04:39:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 450 states have (on average 1.1044444444444443) internal successors, (497), 450 states have internal predecessors, (497), 102 states have call successors, (102), 45 states have call predecessors, (102), 45 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-17 04:39:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 701 transitions. [2024-11-17 04:39:55,006 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 701 transitions. Word has length 287 [2024-11-17 04:39:55,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:55,006 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 701 transitions. [2024-11-17 04:39:55,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.115384615384615) internal successors, (107), 26 states have internal predecessors, (107), 11 states have call successors, (49), 7 states have call predecessors, (49), 7 states have return successors, (49), 11 states have call predecessors, (49), 11 states have call successors, (49) [2024-11-17 04:39:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 701 transitions. [2024-11-17 04:39:55,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2024-11-17 04:39:55,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:55,015 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:55,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:39:55,215 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 [2024-11-17 04:39:55,216 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:55,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:55,216 INFO L85 PathProgramCache]: Analyzing trace with hash 539862609, now seen corresponding path program 2 times [2024-11-17 04:39:55,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:55,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562309458] [2024-11-17 04:39:55,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:55,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:39:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:39:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:39:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:39:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:39:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-17 04:39:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-17 04:39:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:39:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:39:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:39:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:39:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 04:39:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-17 04:39:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-17 04:39:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:39:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-17 04:39:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-17 04:39:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-17 04:39:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 04:39:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-17 04:39:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-17 04:39:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 04:39:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 04:39:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-17 04:39:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-17 04:39:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:39:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-17 04:39:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-17 04:39:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-17 04:39:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-17 04:39:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-17 04:39:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-17 04:39:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-17 04:39:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-17 04:39:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-17 04:39:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-17 04:39:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-17 04:39:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-17 04:39:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-17 04:39:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-17 04:39:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-17 04:39:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-17 04:39:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-17 04:39:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-17 04:39:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-17 04:39:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-17 04:39:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-17 04:39:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-17 04:39:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-17 04:39:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-17 04:39:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2024-11-17 04:39:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-11-17 04:39:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2024-11-17 04:39:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-11-17 04:39:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2024-11-17 04:39:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-17 04:39:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:56,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7249 backedges. 0 proven. 654 refuted. 0 times theorem prover too weak. 6595 trivial. 0 not checked. [2024-11-17 04:39:56,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:56,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562309458] [2024-11-17 04:39:56,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562309458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:56,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146541433] [2024-11-17 04:39:56,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:39:56,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:56,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:56,590 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) [2024-11-17 04:39:56,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:39:56,772 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:39:56,772 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:39:56,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-17 04:39:56,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 7249 backedges. 2880 proven. 3030 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2024-11-17 04:39:57,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7249 backedges. 0 proven. 654 refuted. 0 times theorem prover too weak. 6595 trivial. 0 not checked. [2024-11-17 04:39:57,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146541433] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:57,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:39:57,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 28] total 54 [2024-11-17 04:39:57,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115055453] [2024-11-17 04:39:57,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:57,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-17 04:39:57,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:57,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-17 04:39:57,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=755, Invalid=2107, Unknown=0, NotChecked=0, Total=2862 [2024-11-17 04:39:57,986 INFO L87 Difference]: Start difference. First operand 598 states and 701 transitions. Second operand has 54 states, 54 states have (on average 3.925925925925926) internal successors, (212), 54 states have internal predecessors, (212), 25 states have call successors, (112), 14 states have call predecessors, (112), 14 states have return successors, (112), 25 states have call predecessors, (112), 25 states have call successors, (112) [2024-11-17 04:39:59,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:59,470 INFO L93 Difference]: Finished difference Result 1010 states and 1189 transitions. [2024-11-17 04:39:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-11-17 04:39:59,471 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 3.925925925925926) internal successors, (212), 54 states have internal predecessors, (212), 25 states have call successors, (112), 14 states have call predecessors, (112), 14 states have return successors, (112), 25 states have call predecessors, (112), 25 states have call successors, (112) Word has length 434 [2024-11-17 04:39:59,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:59,475 INFO L225 Difference]: With dead ends: 1010 [2024-11-17 04:39:59,476 INFO L226 Difference]: Without dead ends: 876 [2024-11-17 04:39:59,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1056 GetRequests, 953 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2297 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3509, Invalid=7411, Unknown=0, NotChecked=0, Total=10920 [2024-11-17 04:39:59,480 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 562 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:59,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 448 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:39:59,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2024-11-17 04:39:59,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 780. [2024-11-17 04:39:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 576 states have (on average 1.1059027777777777) internal successors, (637), 576 states have internal predecessors, (637), 144 states have call successors, (144), 59 states have call predecessors, (144), 59 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-17 04:39:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 925 transitions. [2024-11-17 04:39:59,522 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 925 transitions. Word has length 434 [2024-11-17 04:39:59,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:59,522 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 925 transitions. [2024-11-17 04:39:59,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.925925925925926) internal successors, (212), 54 states have internal predecessors, (212), 25 states have call successors, (112), 14 states have call predecessors, (112), 14 states have return successors, (112), 25 states have call predecessors, (112), 25 states have call successors, (112) [2024-11-17 04:39:59,523 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 925 transitions. [2024-11-17 04:39:59,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2024-11-17 04:39:59,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:59,532 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:59,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:39:59,732 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 [2024-11-17 04:39:59,733 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:39:59,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1401413865, now seen corresponding path program 3 times [2024-11-17 04:39:59,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:59,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692836074] [2024-11-17 04:39:59,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-17 04:40:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:40:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:40:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:40:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:40:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-17 04:40:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-17 04:40:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-17 04:40:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:40:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:40:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:40:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 04:40:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-17 04:40:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-17 04:40:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-17 04:40:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:40:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-17 04:40:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-17 04:40:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-17 04:40:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 04:40:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 04:40:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-17 04:40:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-17 04:40:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-17 04:40:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:40:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-17 04:40:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-17 04:40:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-17 04:40:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-17 04:40:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-17 04:40:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-17 04:40:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-17 04:40:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-17 04:40:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-17 04:40:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-17 04:40:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-17 04:40:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-17 04:40:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-17 04:40:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-17 04:40:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-17 04:40:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-17 04:40:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-17 04:40:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-17 04:40:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-17 04:40:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-11-17 04:40:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-17 04:40:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2024-11-17 04:40:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2024-11-17 04:40:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2024-11-17 04:40:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-17 04:40:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-17 04:40:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2024-11-17 04:40:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-11-17 04:40:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2024-11-17 04:40:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2024-11-17 04:40:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2024-11-17 04:40:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:40:02,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8359 backedges. 0 proven. 2199 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-17 04:40:02,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:40:02,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692836074] [2024-11-17 04:40:02,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692836074] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:40:02,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773593538] [2024-11-17 04:40:02,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:40:02,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:40:02,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:40:02,663 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) [2024-11-17 04:40:02,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:40:02,759 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-17 04:40:02,760 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:40:02,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:40:02,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:40:02,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8359 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 7756 trivial. 0 not checked. [2024-11-17 04:40:02,923 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:40:02,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773593538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:40:02,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:40:02,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [55] total 58 [2024-11-17 04:40:02,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734430420] [2024-11-17 04:40:02,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:40:02,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:40:02,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:40:02,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:40:02,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=775, Invalid=2647, Unknown=0, NotChecked=0, Total=3422 [2024-11-17 04:40:02,928 INFO L87 Difference]: Start difference. First operand 780 states and 925 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:40:03,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:40:03,079 INFO L93 Difference]: Finished difference Result 790 states and 935 transitions. [2024-11-17 04:40:03,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:40:03,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 465 [2024-11-17 04:40:03,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:40:03,082 INFO L225 Difference]: With dead ends: 790 [2024-11-17 04:40:03,083 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:40:03,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=785, Invalid=2875, Unknown=0, NotChecked=0, Total=3660 [2024-11-17 04:40:03,088 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 14 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:40:03,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 98 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:40:03,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:40:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:40:03,090 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) [2024-11-17 04:40:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:40:03,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 465 [2024-11-17 04:40:03,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:40:03,091 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:40:03,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:40:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:40:03,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:40:03,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 04:40:03,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 04:40:03,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 04:40:03,095 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 04:40:03,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:40:03,295 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 [2024-11-17 04:40:03,299 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:40:03,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:40:09,346 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:40:09,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:40:09 BoogieIcfgContainer [2024-11-17 04:40:09,363 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:40:09,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:40:09,364 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:40:09,364 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:40:09,364 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:39:38" (3/4) ... [2024-11-17 04:40:09,367 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:40:09,372 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-17 04:40:09,377 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-17 04:40:09,377 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 04:40:09,377 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:40:09,378 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:40:09,459 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:40:09,459 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:40:09,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:40:09,460 INFO L158 Benchmark]: Toolchain (without parser) took 31865.41ms. Allocated memory was 167.8MB in the beginning and 775.9MB in the end (delta: 608.2MB). Free memory was 112.3MB in the beginning and 684.3MB in the end (delta: -572.0MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-17 04:40:09,460 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:40:09,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.39ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 99.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:40:09,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.45ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 98.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:40:09,461 INFO L158 Benchmark]: Boogie Preprocessor took 40.39ms. Allocated memory is still 167.8MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:40:09,462 INFO L158 Benchmark]: IcfgBuilder took 343.24ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 83.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:40:09,462 INFO L158 Benchmark]: TraceAbstraction took 31044.85ms. Allocated memory was 167.8MB in the beginning and 775.9MB in the end (delta: 608.2MB). Free memory was 82.9MB in the beginning and 688.5MB in the end (delta: -605.6MB). Peak memory consumption was 339.6MB. Max. memory is 16.1GB. [2024-11-17 04:40:09,462 INFO L158 Benchmark]: Witness Printer took 96.11ms. Allocated memory is still 775.9MB. Free memory was 688.5MB in the beginning and 684.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:40:09,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.39ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 99.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.45ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 98.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.39ms. Allocated memory is still 167.8MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 343.24ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 83.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31044.85ms. Allocated memory was 167.8MB in the beginning and 775.9MB in the end (delta: 608.2MB). Free memory was 82.9MB in the beginning and 688.5MB in the end (delta: -605.6MB). Peak memory consumption was 339.6MB. Max. memory is 16.1GB. * Witness Printer took 96.11ms. Allocated memory is still 775.9MB. Free memory was 688.5MB in the beginning and 684.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: 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 2 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.9s, OverallIterations: 14, TraceHistogramMax: 56, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2595 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2595 mSDsluCounter, 2473 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2084 mSDsCounter, 291 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2273 IncrementalHoareTripleChecker+Invalid, 2564 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 291 mSolverCounterUnsat, 389 mSDtfsCounter, 2273 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3836 GetRequests, 3273 SyntacticMatches, 0 SemanticMatches, 563 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10296 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=780occurred in iteration=13, InterpolantAutomatonStates: 400, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 769 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 3564 NumberOfCodeBlocks, 3162 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 4786 ConstructedInterpolants, 0 QuantifiedInterpolants, 8790 SizeOfPredicates, 85 NumberOfNonLiveVariables, 2844 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 45546/56078 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 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Location Invariant Derived location invariant: ((1 <= counter) && (counter <= 2147483637)) - InvariantResult [Line: 35]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-17 04:40:09,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE