./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.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/ps5-ll_unwindbound20.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 e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:50:52,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:50:52,322 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:50:52,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:50:52,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:50:52,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:50:52,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:50:52,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:50:52,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:50:52,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:50:52,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:50:52,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:50:52,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:50:52,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:50:52,357 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:50:52,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:50:52,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:50:52,358 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:50:52,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:50:52,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:50:52,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:50:52,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:50:52,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:50:52,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:50:52,362 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:50:52,362 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:50:52,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:50:52,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:50:52,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:50:52,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:50:52,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:50:52,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:50:52,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:50:52,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:50:52,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:50:52,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:50:52,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:50:52,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:50:52,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:50:52,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:50:52,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:50:52,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:50:52,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:50:52,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:50:52,367 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2024-11-17 04:50:52,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:50:52,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:50:52,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:50:52,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:50:52,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:50:52,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-17 04:50:54,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:50:54,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:50:54,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-17 04:50:54,215 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33aa13074/32b62dd9e7ad448485f818930f92383e/FLAGa1785021f [2024-11-17 04:50:54,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33aa13074/32b62dd9e7ad448485f818930f92383e [2024-11-17 04:50:54,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:50:54,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:50:54,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:50:54,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:50:54,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:50:54,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:54,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196b88c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54, skipping insertion in model container [2024-11-17 04:50:54,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:54,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:50:54,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:50:54,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:50:54,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:50:54,942 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:50:54,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54 WrapperNode [2024-11-17 04:50:54,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:50:54,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:50:54,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:50:54,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:50:54,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:54,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:54,990 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2024-11-17 04:50:54,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:50:54,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:50:54,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:50:54,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:50:55,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,016 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 04:50:55,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,026 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:50:55,036 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:50:55,036 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:50:55,036 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:50:55,037 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (1/1) ... [2024-11-17 04:50:55,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:50:55,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:50:55,070 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 04:50:55,077 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 04:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:50:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:50:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:50:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:50:55,185 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:50:55,187 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:50:55,790 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-17 04:50:55,791 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:50:55,815 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:50:55,815 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:50:55,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:50:55 BoogieIcfgContainer [2024-11-17 04:50:55,815 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:50:55,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:50:55,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:50:55,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:50:55,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:50:54" (1/3) ... [2024-11-17 04:50:55,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d67548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:50:55, skipping insertion in model container [2024-11-17 04:50:55,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:50:54" (2/3) ... [2024-11-17 04:50:55,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d67548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:50:55, skipping insertion in model container [2024-11-17 04:50:55,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:50:55" (3/3) ... [2024-11-17 04:50:55,825 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound20.c [2024-11-17 04:50:55,840 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:50:55,841 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-11-17 04:50:55,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:50:55,920 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;@13702a47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:50:55,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-11-17 04:50:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 105 states have (on average 1.8666666666666667) internal successors, (196), 191 states have internal predecessors, (196), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:50:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:50:55,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:55,931 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:50:55,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:55,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:55,938 INFO L85 PathProgramCache]: Analyzing trace with hash -2023424290, now seen corresponding path program 1 times [2024-11-17 04:50:55,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:55,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031954185] [2024-11-17 04:50:55,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:56,063 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 04:50:56,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:56,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031954185] [2024-11-17 04:50:56,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031954185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:56,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:50:56,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:50:56,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920884506] [2024-11-17 04:50:56,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:56,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:50:56,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:56,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:50:56,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:50:56,091 INFO L87 Difference]: Start difference. First operand has 196 states, 105 states have (on average 1.8666666666666667) internal successors, (196), 191 states have internal predecessors, (196), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 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 04:50:56,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:56,126 INFO L93 Difference]: Finished difference Result 375 states and 402 transitions. [2024-11-17 04:50:56,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:50:56,128 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 04:50:56,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:56,136 INFO L225 Difference]: With dead ends: 375 [2024-11-17 04:50:56,136 INFO L226 Difference]: Without dead ends: 176 [2024-11-17 04:50:56,139 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 04:50:56,142 INFO L432 NwaCegarLoop]: 185 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, 185 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 04:50:56,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:50:56,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-17 04:50:56,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-17 04:50:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 100 states have (on average 1.74) internal successors, (174), 172 states have internal predecessors, (174), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:50:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 178 transitions. [2024-11-17 04:50:56,180 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 178 transitions. Word has length 6 [2024-11-17 04:50:56,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:56,181 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 178 transitions. [2024-11-17 04:50:56,181 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 04:50:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 178 transitions. [2024-11-17 04:50:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:50:56,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:56,182 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:50:56,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:50:56,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:56,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:56,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2023394499, now seen corresponding path program 1 times [2024-11-17 04:50:56,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:56,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820225450] [2024-11-17 04:50:56,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:56,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:56,285 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 04:50:56,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:56,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820225450] [2024-11-17 04:50:56,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820225450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:56,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:50:56,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:50:56,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168912454] [2024-11-17 04:50:56,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:56,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:50:56,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:56,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:50:56,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:50:56,294 INFO L87 Difference]: Start difference. First operand 176 states and 178 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 04:50:56,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:56,373 INFO L93 Difference]: Finished difference Result 258 states and 260 transitions. [2024-11-17 04:50:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:50:56,374 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 04:50:56,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:56,375 INFO L225 Difference]: With dead ends: 258 [2024-11-17 04:50:56,375 INFO L226 Difference]: Without dead ends: 181 [2024-11-17 04:50:56,376 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 04:50:56,377 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 6 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:56,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 513 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:50:56,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-17 04:50:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-17 04:50:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 105 states have (on average 1.7047619047619047) internal successors, (179), 177 states have internal predecessors, (179), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:50:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 183 transitions. [2024-11-17 04:50:56,398 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 183 transitions. Word has length 6 [2024-11-17 04:50:56,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:56,402 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 183 transitions. [2024-11-17 04:50:56,402 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 04:50:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 183 transitions. [2024-11-17 04:50:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:50:56,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:56,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:50:56,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:50:56,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:56,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1525223751, now seen corresponding path program 1 times [2024-11-17 04:50:56,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:56,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978776012] [2024-11-17 04:50:56,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:56,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:56,455 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 04:50:56,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:56,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978776012] [2024-11-17 04:50:56,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978776012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:56,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:50:56,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:50:56,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272997671] [2024-11-17 04:50:56,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:56,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:50:56,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:56,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:50:56,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:50:56,458 INFO L87 Difference]: Start difference. First operand 181 states and 183 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 04:50:56,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:56,806 INFO L93 Difference]: Finished difference Result 319 states and 331 transitions. [2024-11-17 04:50:56,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:50:56,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-17 04:50:56,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:56,809 INFO L225 Difference]: With dead ends: 319 [2024-11-17 04:50:56,809 INFO L226 Difference]: Without dead ends: 263 [2024-11-17 04:50:56,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:50:56,811 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 84 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:56,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 136 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:50:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-17 04:50:56,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-11-17 04:50:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 179 states have (on average 1.4916201117318435) internal successors, (267), 251 states have internal predecessors, (267), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:50:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-11-17 04:50:56,851 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 10 [2024-11-17 04:50:56,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:56,852 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-11-17 04:50:56,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 04:50:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-11-17 04:50:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:50:56,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:56,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:50:56,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:50:56,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:56,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:56,854 INFO L85 PathProgramCache]: Analyzing trace with hash 924409053, now seen corresponding path program 1 times [2024-11-17 04:50:56,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:56,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798582480] [2024-11-17 04:50:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:57,008 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 04:50:57,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:57,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798582480] [2024-11-17 04:50:57,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798582480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:57,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:50:57,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:50:57,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984520926] [2024-11-17 04:50:57,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:57,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:50:57,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:57,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:50:57,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:50:57,011 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:50:57,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:57,079 INFO L93 Difference]: Finished difference Result 277 states and 289 transitions. [2024-11-17 04:50:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:50:57,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-11-17 04:50:57,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:57,081 INFO L225 Difference]: With dead ends: 277 [2024-11-17 04:50:57,081 INFO L226 Difference]: Without dead ends: 272 [2024-11-17 04:50:57,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:50:57,083 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 61 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:57,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 302 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:50:57,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-17 04:50:57,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 264. [2024-11-17 04:50:57,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 187 states have (on average 1.4705882352941178) internal successors, (275), 259 states have internal predecessors, (275), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:50:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 281 transitions. [2024-11-17 04:50:57,095 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 281 transitions. Word has length 38 [2024-11-17 04:50:57,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:57,095 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 281 transitions. [2024-11-17 04:50:57,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:50:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 281 transitions. [2024-11-17 04:50:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:50:57,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:57,097 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:50:57,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:50:57,097 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:57,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:57,098 INFO L85 PathProgramCache]: Analyzing trace with hash -701127493, now seen corresponding path program 1 times [2024-11-17 04:50:57,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:57,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492409626] [2024-11-17 04:50:57,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:57,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:57,190 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 04:50:57,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:57,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492409626] [2024-11-17 04:50:57,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492409626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:57,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:50:57,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:50:57,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87917938] [2024-11-17 04:50:57,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:57,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:50:57,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:57,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:50:57,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:50:57,193 INFO L87 Difference]: Start difference. First operand 264 states and 281 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 04:50:57,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:57,368 INFO L93 Difference]: Finished difference Result 276 states and 284 transitions. [2024-11-17 04:50:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:50:57,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2024-11-17 04:50:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:57,370 INFO L225 Difference]: With dead ends: 276 [2024-11-17 04:50:57,371 INFO L226 Difference]: Without dead ends: 271 [2024-11-17 04:50:57,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:50:57,375 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 143 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:57,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 238 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:50:57,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-17 04:50:57,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 264. [2024-11-17 04:50:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 187 states have (on average 1.4438502673796791) internal successors, (270), 259 states have internal predecessors, (270), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:50:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 276 transitions. [2024-11-17 04:50:57,392 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 276 transitions. Word has length 40 [2024-11-17 04:50:57,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:57,393 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 276 transitions. [2024-11-17 04:50:57,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 04:50:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 276 transitions. [2024-11-17 04:50:57,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:50:57,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:57,395 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:50:57,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:50:57,395 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:57,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:57,396 INFO L85 PathProgramCache]: Analyzing trace with hash -260115718, now seen corresponding path program 1 times [2024-11-17 04:50:57,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:57,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380716656] [2024-11-17 04:50:57,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:57,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:57,507 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 04:50:57,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:57,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380716656] [2024-11-17 04:50:57,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380716656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:57,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:50:57,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:50:57,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597155206] [2024-11-17 04:50:57,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:57,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:50:57,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:57,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:50:57,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:50:57,512 INFO L87 Difference]: Start difference. First operand 264 states and 276 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 04:50:57,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:57,673 INFO L93 Difference]: Finished difference Result 275 states and 279 transitions. [2024-11-17 04:50:57,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:50:57,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 41 [2024-11-17 04:50:57,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:57,676 INFO L225 Difference]: With dead ends: 275 [2024-11-17 04:50:57,676 INFO L226 Difference]: Without dead ends: 237 [2024-11-17 04:50:57,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:50:57,677 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 134 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:57,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 251 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:50:57,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-17 04:50:57,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 230. [2024-11-17 04:50:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 153 states have (on average 1.5163398692810457) internal successors, (232), 225 states have internal predecessors, (232), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:50:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 238 transitions. [2024-11-17 04:50:57,694 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 238 transitions. Word has length 41 [2024-11-17 04:50:57,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:57,695 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 238 transitions. [2024-11-17 04:50:57,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 04:50:57,696 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 238 transitions. [2024-11-17 04:50:57,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:50:57,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:57,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:50:57,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:50:57,697 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:57,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:57,698 INFO L85 PathProgramCache]: Analyzing trace with hash -956029096, now seen corresponding path program 1 times [2024-11-17 04:50:57,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:57,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156454284] [2024-11-17 04:50:57,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:57,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:57,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:50:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:57,797 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 04:50:57,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:57,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156454284] [2024-11-17 04:50:57,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156454284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:57,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:50:57,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:50:57,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663523292] [2024-11-17 04:50:57,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:57,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:50:57,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:57,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:50:57,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:50:57,801 INFO L87 Difference]: Start difference. First operand 230 states and 238 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:57,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:57,823 INFO L93 Difference]: Finished difference Result 232 states and 238 transitions. [2024-11-17 04:50:57,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:50:57,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2024-11-17 04:50:57,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:57,825 INFO L225 Difference]: With dead ends: 232 [2024-11-17 04:50:57,825 INFO L226 Difference]: Without dead ends: 230 [2024-11-17 04:50:57,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:50:57,828 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 2 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:57,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 343 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:50:57,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-17 04:50:57,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-17 04:50:57,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 153 states have (on average 1.5032679738562091) internal successors, (230), 225 states have internal predecessors, (230), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:50:57,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 236 transitions. [2024-11-17 04:50:57,839 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 236 transitions. Word has length 50 [2024-11-17 04:50:57,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:57,841 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 236 transitions. [2024-11-17 04:50:57,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 236 transitions. [2024-11-17 04:50:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:50:57,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:57,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:50:57,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:50:57,843 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:57,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:57,844 INFO L85 PathProgramCache]: Analyzing trace with hash -622774867, now seen corresponding path program 1 times [2024-11-17 04:50:57,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:57,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344229262] [2024-11-17 04:50:57,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:57,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:50:57,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [779952155] [2024-11-17 04:50:57,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:57,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:50:57,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:50:57,879 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 04:50:57,881 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 04:50:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:57,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:50:57,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:50:58,083 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 04:50:58,084 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:50:58,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:58,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344229262] [2024-11-17 04:50:58,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:50:58,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779952155] [2024-11-17 04:50:58,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779952155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:58,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:50:58,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:50:58,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432827811] [2024-11-17 04:50:58,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:58,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:50:58,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:58,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:50:58,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:50:58,089 INFO L87 Difference]: Start difference. First operand 230 states and 236 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:58,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:58,512 INFO L93 Difference]: Finished difference Result 378 states and 395 transitions. [2024-11-17 04:50:58,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:50:58,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-11-17 04:50:58,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:58,514 INFO L225 Difference]: With dead ends: 378 [2024-11-17 04:50:58,514 INFO L226 Difference]: Without dead ends: 324 [2024-11-17 04:50:58,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:50:58,515 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 100 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:58,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 164 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:50:58,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-17 04:50:58,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 315. [2024-11-17 04:50:58,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 236 states have (on average 1.3983050847457628) internal successors, (330), 308 states have internal predecessors, (330), 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 04:50:58,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 340 transitions. [2024-11-17 04:50:58,528 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 340 transitions. Word has length 57 [2024-11-17 04:50:58,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:58,528 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 340 transitions. [2024-11-17 04:50:58,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 340 transitions. [2024-11-17 04:50:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-17 04:50:58,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:58,530 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:50:58,548 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 04:50:58,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:50:58,731 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:58,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:58,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1160818471, now seen corresponding path program 1 times [2024-11-17 04:50:58,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:58,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911934030] [2024-11-17 04:50:58,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:58,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:58,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:50:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:58,837 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 04:50:58,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:58,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911934030] [2024-11-17 04:50:58,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911934030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:58,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:50:58,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:50:58,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360934751] [2024-11-17 04:50:58,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:58,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:50:58,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:58,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:50:58,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:50:58,843 INFO L87 Difference]: Start difference. First operand 315 states and 340 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:58,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:58,933 INFO L93 Difference]: Finished difference Result 316 states and 340 transitions. [2024-11-17 04:50:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:50:58,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-17 04:50:58,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:58,935 INFO L225 Difference]: With dead ends: 316 [2024-11-17 04:50:58,935 INFO L226 Difference]: Without dead ends: 315 [2024-11-17 04:50:58,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:50:58,936 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 47 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:58,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 285 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:50:58,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-17 04:50:58,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2024-11-17 04:50:58,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 236 states have (on average 1.3940677966101696) internal successors, (329), 308 states have internal predecessors, (329), 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 04:50:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 339 transitions. [2024-11-17 04:50:58,945 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 339 transitions. Word has length 63 [2024-11-17 04:50:58,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:58,945 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 339 transitions. [2024-11-17 04:50:58,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 339 transitions. [2024-11-17 04:50:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-17 04:50:58,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:58,946 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:50:58,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:50:58,947 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:58,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:58,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1133543830, now seen corresponding path program 1 times [2024-11-17 04:50:58,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:58,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223108156] [2024-11-17 04:50:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:58,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:59,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:50:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:50:59,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:59,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223108156] [2024-11-17 04:50:59,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223108156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:50:59,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082495133] [2024-11-17 04:50:59,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:59,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:50:59,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:50:59,097 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 04:50:59,099 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 04:50:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:59,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:50:59,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:50:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:50:59,296 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:50:59,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082495133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:59,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:50:59,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:50:59,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741724451] [2024-11-17 04:50:59,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:59,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:50:59,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:59,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:50:59,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:50:59,299 INFO L87 Difference]: Start difference. First operand 315 states and 339 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:59,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:59,342 INFO L93 Difference]: Finished difference Result 315 states and 339 transitions. [2024-11-17 04:50:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:50:59,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2024-11-17 04:50:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:59,344 INFO L225 Difference]: With dead ends: 315 [2024-11-17 04:50:59,344 INFO L226 Difference]: Without dead ends: 314 [2024-11-17 04:50:59,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:50:59,345 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 123 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:59,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 339 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:50:59,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-17 04:50:59,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2024-11-17 04:50:59,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 236 states have (on average 1.3855932203389831) internal successors, (327), 307 states have internal predecessors, (327), 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 04:50:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 337 transitions. [2024-11-17 04:50:59,367 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 337 transitions. Word has length 66 [2024-11-17 04:50:59,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:59,367 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 337 transitions. [2024-11-17 04:50:59,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:59,367 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 337 transitions. [2024-11-17 04:50:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 04:50:59,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:59,368 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:50:59,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:50:59,569 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,SelfDestructingSolverStorable9 [2024-11-17 04:50:59,569 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:50:59,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:59,570 INFO L85 PathProgramCache]: Analyzing trace with hash -780120210, now seen corresponding path program 1 times [2024-11-17 04:50:59,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:59,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321865383] [2024-11-17 04:50:59,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:59,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:59,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:50:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:50:59,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:59,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321865383] [2024-11-17 04:50:59,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321865383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:50:59,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682565976] [2024-11-17 04:50:59,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:59,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:50:59,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:50:59,682 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 04:50:59,683 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 04:50:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:59,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:50:59,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:50:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:50:59,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:50:59,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682565976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:50:59,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:50:59,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:50:59,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716638560] [2024-11-17 04:50:59,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:50:59,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:50:59,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:59,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:50:59,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:50:59,830 INFO L87 Difference]: Start difference. First operand 314 states and 337 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:59,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:59,879 INFO L93 Difference]: Finished difference Result 426 states and 456 transitions. [2024-11-17 04:50:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:50:59,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2024-11-17 04:50:59,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:59,881 INFO L225 Difference]: With dead ends: 426 [2024-11-17 04:50:59,881 INFO L226 Difference]: Without dead ends: 425 [2024-11-17 04:50:59,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:50:59,882 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 121 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:59,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 790 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:50:59,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-17 04:50:59,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 387. [2024-11-17 04:50:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 307 states have (on average 1.4039087947882736) internal successors, (431), 379 states have internal predecessors, (431), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:50:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 445 transitions. [2024-11-17 04:50:59,894 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 445 transitions. Word has length 67 [2024-11-17 04:50:59,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:59,894 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 445 transitions. [2024-11-17 04:50:59,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:50:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 445 transitions. [2024-11-17 04:50:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:50:59,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:59,896 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:59,912 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 04:51:00,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:51:00,097 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:51:00,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:51:00,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1092856951, now seen corresponding path program 1 times [2024-11-17 04:51:00,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:51:00,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324046973] [2024-11-17 04:51:00,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:51:00,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:51:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:51:00,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:51:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:51:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:51:00,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:51:00,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324046973] [2024-11-17 04:51:00,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324046973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:51:00,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351933159] [2024-11-17 04:51:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:51:00,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:51:00,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:51:00,265 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 04:51:00,267 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 04:51:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:51:00,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:51:00,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:51:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:51:00,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:51:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:51:00,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351933159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:51:00,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:51:00,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-17 04:51:00,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532836364] [2024-11-17 04:51:00,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:51:00,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:51:00,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:51:00,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:51:00,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:51:00,548 INFO L87 Difference]: Start difference. First operand 387 states and 445 transitions. Second operand has 13 states, 13 states have (on average 13.23076923076923) internal successors, (172), 13 states have internal predecessors, (172), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:51:00,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:51:00,676 INFO L93 Difference]: Finished difference Result 679 states and 722 transitions. [2024-11-17 04:51:00,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:51:00,677 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.23076923076923) internal successors, (172), 13 states have internal predecessors, (172), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 98 [2024-11-17 04:51:00,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:51:00,680 INFO L225 Difference]: With dead ends: 679 [2024-11-17 04:51:00,681 INFO L226 Difference]: Without dead ends: 567 [2024-11-17 04:51:00,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:51:00,683 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 255 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:51:00,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1267 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:51:00,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-17 04:51:00,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 470. [2024-11-17 04:51:00,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 386 states have (on average 1.4974093264248705) internal successors, (578), 458 states have internal predecessors, (578), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:51:00,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 594 transitions. [2024-11-17 04:51:00,709 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 594 transitions. Word has length 98 [2024-11-17 04:51:00,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:51:00,710 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 594 transitions. [2024-11-17 04:51:00,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.23076923076923) internal successors, (172), 13 states have internal predecessors, (172), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:51:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 594 transitions. [2024-11-17 04:51:00,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:51:00,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:51:00,711 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:51:00,727 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 04:51:00,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:51:00,911 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:51:00,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:51:00,912 INFO L85 PathProgramCache]: Analyzing trace with hash 673412106, now seen corresponding path program 1 times [2024-11-17 04:51:00,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:51:00,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464642218] [2024-11-17 04:51:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:51:00,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:51:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:51:00,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606316401] [2024-11-17 04:51:00,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:51:00,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:51:00,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:51:00,932 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 04:51:00,933 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 04:51:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:51:00,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:51:00,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:51:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-17 04:51:01,110 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:51:01,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:51:01,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464642218] [2024-11-17 04:51:01,110 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:51:01,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606316401] [2024-11-17 04:51:01,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606316401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:51:01,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:51:01,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:51:01,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38919528] [2024-11-17 04:51:01,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:51:01,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:51:01,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:51:01,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:51:01,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:51:01,111 INFO L87 Difference]: Start difference. First operand 470 states and 594 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:51:01,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:51:01,164 INFO L93 Difference]: Finished difference Result 470 states and 594 transitions. [2024-11-17 04:51:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:51:01,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2024-11-17 04:51:01,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:51:01,168 INFO L225 Difference]: With dead ends: 470 [2024-11-17 04:51:01,168 INFO L226 Difference]: Without dead ends: 467 [2024-11-17 04:51:01,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:51:01,168 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 96 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:51:01,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 154 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:51:01,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-17 04:51:01,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2024-11-17 04:51:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 386 states have (on average 1.471502590673575) internal successors, (568), 455 states have internal predecessors, (568), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:51:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 584 transitions. [2024-11-17 04:51:01,182 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 584 transitions. Word has length 98 [2024-11-17 04:51:01,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:51:01,182 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 584 transitions. [2024-11-17 04:51:01,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:51:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 584 transitions. [2024-11-17 04:51:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 04:51:01,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:51:01,183 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:51:01,200 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 04:51:01,384 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,SelfDestructingSolverStorable12 [2024-11-17 04:51:01,384 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:51:01,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:51:01,385 INFO L85 PathProgramCache]: Analyzing trace with hash -599061105, now seen corresponding path program 1 times [2024-11-17 04:51:01,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:51:01,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125870194] [2024-11-17 04:51:01,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:51:01,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:51:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:51:01,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [236136172] [2024-11-17 04:51:01,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:51:01,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:51:01,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:51:01,409 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 04:51:01,410 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 04:51:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:51:01,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:51:01,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:51:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:51:01,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:51:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:51:01,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:51:01,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125870194] [2024-11-17 04:51:01,934 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:51:01,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236136172] [2024-11-17 04:51:01,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236136172] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:51:01,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:51:01,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-17 04:51:01,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169571335] [2024-11-17 04:51:01,935 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:51:01,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:51:01,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:51:01,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:51:01,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:51:01,937 INFO L87 Difference]: Start difference. First operand 467 states and 584 transitions. Second operand has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:51:02,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:51:02,698 INFO L93 Difference]: Finished difference Result 524 states and 584 transitions. [2024-11-17 04:51:02,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:51:02,699 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 99 [2024-11-17 04:51:02,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:51:02,701 INFO L225 Difference]: With dead ends: 524 [2024-11-17 04:51:02,701 INFO L226 Difference]: Without dead ends: 517 [2024-11-17 04:51:02,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:51:02,702 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 296 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:51:02,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 394 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:51:02,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-17 04:51:02,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 467. [2024-11-17 04:51:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 386 states have (on average 1.4455958549222798) internal successors, (558), 455 states have internal predecessors, (558), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:51:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 574 transitions. [2024-11-17 04:51:02,717 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 574 transitions. Word has length 99 [2024-11-17 04:51:02,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:51:02,717 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 574 transitions. [2024-11-17 04:51:02,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:51:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 574 transitions. [2024-11-17 04:51:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:51:02,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:51:02,718 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:51:02,734 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 04:51:02,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:51:02,920 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-17 04:51:02,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:51:02,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1391024984, now seen corresponding path program 1 times [2024-11-17 04:51:02,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:51:02,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15681073] [2024-11-17 04:51:02,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:51:02,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:51:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:51:02,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548917069] [2024-11-17 04:51:02,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:51:02,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:51:02,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:51:02,954 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 04:51:02,955 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 04:51:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:51:03,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:51:03,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:51:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:51:03,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:51:04,165 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:51:04,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:51:04,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15681073] [2024-11-17 04:51:04,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:51:04,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548917069] [2024-11-17 04:51:04,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548917069] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:51:04,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:51:04,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-17 04:51:04,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652451538] [2024-11-17 04:51:04,167 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:51:04,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:51:04,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:51:04,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:51:04,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:51:04,168 INFO L87 Difference]: Start difference. First operand 467 states and 574 transitions. Second operand has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:51:08,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:12,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:16,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:20,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:24,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:28,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:32,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:36,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:39,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:50,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:54,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:51:59,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:52:03,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:52:06,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:52:08,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:52:12,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:52:15,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:52:20,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []