./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-tiling/nr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-tiling/nr3.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 4885a4fffd0288753086daaa59bdb12816a7be62636dc49311bbb97ad277d866 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:30:21,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:30:21,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:30:21,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:30:21,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:30:21,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:30:21,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:30:21,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:30:21,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:30:21,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:30:21,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:30:21,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:30:21,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:30:21,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:30:21,872 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:30:21,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:30:21,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:30:21,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:30:21,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:30:21,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:30:21,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:30:21,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:30:21,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:30:21,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:30:21,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:30:21,891 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:30:21,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:30:21,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:30:21,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:30:21,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:30:21,892 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:30:21,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:30:21,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:30:21,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:30:21,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:30:21,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:30:21,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:30:21,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:30:21,896 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:30:21,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:30:21,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:30:21,896 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:30:21,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:30:21,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:30:21,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4885a4fffd0288753086daaa59bdb12816a7be62636dc49311bbb97ad277d866 [2024-11-10 18:30:22,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:30:22,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:30:22,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:30:22,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:30:22,195 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:30:22,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/nr3.c [2024-11-10 18:30:23,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:30:23,918 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:30:23,918 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/nr3.c [2024-11-10 18:30:23,928 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c7e63c08/9a96e7f53467406282030b605c3d210c/FLAG5cc071212 [2024-11-10 18:30:24,290 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c7e63c08/9a96e7f53467406282030b605c3d210c [2024-11-10 18:30:24,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:30:24,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:30:24,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:30:24,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:30:24,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:30:24,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1c7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24, skipping insertion in model container [2024-11-10 18:30:24,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:30:24,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:30:24,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:30:24,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:30:24,588 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:30:24,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24 WrapperNode [2024-11-10 18:30:24,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:30:24,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:30:24,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:30:24,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:30:24,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,628 INFO L138 Inliner]: procedures = 15, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2024-11-10 18:30:24,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:30:24,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:30:24,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:30:24,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:30:24,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,669 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 6, 4]. 50 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0]. The 2 writes are split as follows [0, 0, 2]. [2024-11-10 18:30:24,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:30:24,687 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:30:24,687 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:30:24,687 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:30:24,688 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (1/1) ... [2024-11-10 18:30:24,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:30:24,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:24,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:30:24,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:30:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:30:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:30:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:30:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 18:30:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:30:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:30:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:30:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 18:30:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:30:24,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:30:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:30:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:30:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 18:30:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:30:24,873 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:30:24,875 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:30:25,079 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-10 18:30:25,079 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:30:25,097 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:30:25,097 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:30:25,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:30:25 BoogieIcfgContainer [2024-11-10 18:30:25,098 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:30:25,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:30:25,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:30:25,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:30:25,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:30:24" (1/3) ... [2024-11-10 18:30:25,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b175f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:30:25, skipping insertion in model container [2024-11-10 18:30:25,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:30:24" (2/3) ... [2024-11-10 18:30:25,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b175f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:30:25, skipping insertion in model container [2024-11-10 18:30:25,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:30:25" (3/3) ... [2024-11-10 18:30:25,111 INFO L112 eAbstractionObserver]: Analyzing ICFG nr3.c [2024-11-10 18:30:25,125 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:30:25,125 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-10 18:30:25,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:30:25,183 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;@385093a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:30:25,184 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-10 18:30:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 63 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:30:25,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:25,196 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:25,197 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:25,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:25,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2081518147, now seen corresponding path program 1 times [2024-11-10 18:30:25,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:25,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319778745] [2024-11-10 18:30:25,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:25,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:25,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:25,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:25,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319778745] [2024-11-10 18:30:25,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319778745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:25,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:25,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:30:25,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168608603] [2024-11-10 18:30:25,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:25,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:30:25,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:25,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:30:25,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:30:25,453 INFO L87 Difference]: Start difference. First operand has 64 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 63 states have internal predecessors, (75), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:25,469 INFO L93 Difference]: Finished difference Result 122 states and 141 transitions. [2024-11-10 18:30:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:30:25,471 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 18:30:25,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:25,477 INFO L225 Difference]: With dead ends: 122 [2024-11-10 18:30:25,477 INFO L226 Difference]: Without dead ends: 57 [2024-11-10 18:30:25,480 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 [2024-11-10 18:30:25,483 INFO L432 NwaCegarLoop]: 69 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, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:25,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-10 18:30:25,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-10 18:30:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 56 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:25,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2024-11-10 18:30:25,519 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 8 [2024-11-10 18:30:25,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:25,520 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2024-11-10 18:30:25,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2024-11-10 18:30:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:30:25,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:25,521 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:25,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:30:25,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:25,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash -2081488356, now seen corresponding path program 1 times [2024-11-10 18:30:25,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:25,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783174096] [2024-11-10 18:30:25,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:25,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:25,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783174096] [2024-11-10 18:30:25,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783174096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:25,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:25,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:25,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956404856] [2024-11-10 18:30:25,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:25,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:25,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:25,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:25,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:25,806 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:25,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:25,847 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2024-11-10 18:30:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:25,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 18:30:25,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:25,849 INFO L225 Difference]: With dead ends: 57 [2024-11-10 18:30:25,849 INFO L226 Difference]: Without dead ends: 56 [2024-11-10 18:30:25,849 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 [2024-11-10 18:30:25,851 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:25,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 53 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:25,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-10 18:30:25,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-10 18:30:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 55 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2024-11-10 18:30:25,861 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 8 [2024-11-10 18:30:25,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:25,862 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2024-11-10 18:30:25,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2024-11-10 18:30:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:30:25,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:25,864 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:25,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:30:25,864 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:25,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:25,865 INFO L85 PathProgramCache]: Analyzing trace with hash -101629562, now seen corresponding path program 1 times [2024-11-10 18:30:25,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:25,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496150854] [2024-11-10 18:30:25,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:25,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:26,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:26,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496150854] [2024-11-10 18:30:26,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496150854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:26,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:26,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:30:26,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105566631] [2024-11-10 18:30:26,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:26,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:30:26,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:26,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:30:26,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:30:26,173 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:26,204 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2024-11-10 18:30:26,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:30:26,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2024-11-10 18:30:26,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:26,207 INFO L225 Difference]: With dead ends: 56 [2024-11-10 18:30:26,208 INFO L226 Difference]: Without dead ends: 55 [2024-11-10 18:30:26,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:30:26,210 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 102 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:26,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 52 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:26,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-10 18:30:26,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-10 18:30:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 54 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2024-11-10 18:30:26,219 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 9 [2024-11-10 18:30:26,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:26,219 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2024-11-10 18:30:26,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,220 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2024-11-10 18:30:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:30:26,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:26,221 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:26,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:30:26,221 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:26,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:26,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1714873783, now seen corresponding path program 1 times [2024-11-10 18:30:26,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:26,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626891096] [2024-11-10 18:30:26,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:26,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:26,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:26,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626891096] [2024-11-10 18:30:26,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626891096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:26,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:26,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:26,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361701085] [2024-11-10 18:30:26,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:26,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:30:26,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:26,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:30:26,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:30:26,279 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:26,342 INFO L93 Difference]: Finished difference Result 122 states and 136 transitions. [2024-11-10 18:30:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:30:26,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2024-11-10 18:30:26,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:26,343 INFO L225 Difference]: With dead ends: 122 [2024-11-10 18:30:26,344 INFO L226 Difference]: Without dead ends: 73 [2024-11-10 18:30:26,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:30:26,345 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:26,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 85 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:26,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-10 18:30:26,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2024-11-10 18:30:26,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 56 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2024-11-10 18:30:26,353 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 14 [2024-11-10 18:30:26,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:26,354 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2024-11-10 18:30:26,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2024-11-10 18:30:26,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:30:26,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:26,355 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:26,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:30:26,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:26,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:26,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1714875535, now seen corresponding path program 1 times [2024-11-10 18:30:26,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:26,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948706428] [2024-11-10 18:30:26,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:26,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:26,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948706428] [2024-11-10 18:30:26,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948706428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:26,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:26,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:30:26,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874746392] [2024-11-10 18:30:26,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:26,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:30:26,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:26,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:30:26,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:30:26,413 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:26,496 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2024-11-10 18:30:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:30:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2024-11-10 18:30:26,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:26,498 INFO L225 Difference]: With dead ends: 87 [2024-11-10 18:30:26,498 INFO L226 Difference]: Without dead ends: 83 [2024-11-10 18:30:26,499 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 [2024-11-10 18:30:26,500 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 18 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:26,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 71 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:26,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-10 18:30:26,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2024-11-10 18:30:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 79 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2024-11-10 18:30:26,510 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 14 [2024-11-10 18:30:26,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:26,511 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2024-11-10 18:30:26,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2024-11-10 18:30:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 18:30:26,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:26,512 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:26,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:30:26,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:26,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:26,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1272052179, now seen corresponding path program 1 times [2024-11-10 18:30:26,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:26,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357939671] [2024-11-10 18:30:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:26,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:26,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:26,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357939671] [2024-11-10 18:30:26,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357939671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:26,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:26,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:26,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086558664] [2024-11-10 18:30:26,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:26,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:26,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:26,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:26,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:26,607 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:26,722 INFO L93 Difference]: Finished difference Result 99 states and 111 transitions. [2024-11-10 18:30:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:26,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2024-11-10 18:30:26,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:26,724 INFO L225 Difference]: With dead ends: 99 [2024-11-10 18:30:26,724 INFO L226 Difference]: Without dead ends: 95 [2024-11-10 18:30:26,725 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 [2024-11-10 18:30:26,726 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 31 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:26,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 90 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:26,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-10 18:30:26,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2024-11-10 18:30:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 88 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 103 transitions. [2024-11-10 18:30:26,744 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 103 transitions. Word has length 16 [2024-11-10 18:30:26,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:26,745 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 103 transitions. [2024-11-10 18:30:26,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,745 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2024-11-10 18:30:26,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-10 18:30:26,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:26,747 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:26,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:30:26,748 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:26,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:26,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1485107024, now seen corresponding path program 1 times [2024-11-10 18:30:26,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:26,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330250888] [2024-11-10 18:30:26,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:26,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:26,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:26,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330250888] [2024-11-10 18:30:26,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330250888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:26,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:26,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:26,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789400711] [2024-11-10 18:30:26,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:26,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:26,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:26,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:26,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:26,830 INFO L87 Difference]: Start difference. First operand 89 states and 103 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:26,888 INFO L93 Difference]: Finished difference Result 100 states and 115 transitions. [2024-11-10 18:30:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:26,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2024-11-10 18:30:26,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:26,889 INFO L225 Difference]: With dead ends: 100 [2024-11-10 18:30:26,889 INFO L226 Difference]: Without dead ends: 98 [2024-11-10 18:30:26,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:26,891 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:26,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 130 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:26,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-10 18:30:26,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-10 18:30:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 96 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2024-11-10 18:30:26,899 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 18 [2024-11-10 18:30:26,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:26,899 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2024-11-10 18:30:26,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2024-11-10 18:30:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-10 18:30:26,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:26,900 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:26,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:30:26,900 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:26,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:26,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1144548714, now seen corresponding path program 1 times [2024-11-10 18:30:26,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:26,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834114364] [2024-11-10 18:30:26,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:26,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:26,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:26,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834114364] [2024-11-10 18:30:26,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834114364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:26,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:26,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:26,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490375585] [2024-11-10 18:30:26,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:26,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:26,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:26,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:26,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:26,951 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:27,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:27,010 INFO L93 Difference]: Finished difference Result 124 states and 146 transitions. [2024-11-10 18:30:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:27,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2024-11-10 18:30:27,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:27,012 INFO L225 Difference]: With dead ends: 124 [2024-11-10 18:30:27,012 INFO L226 Difference]: Without dead ends: 122 [2024-11-10 18:30:27,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:27,013 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 12 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:27,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 127 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:27,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-10 18:30:27,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 116. [2024-11-10 18:30:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 115 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 140 transitions. [2024-11-10 18:30:27,025 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 140 transitions. Word has length 20 [2024-11-10 18:30:27,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:27,026 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 140 transitions. [2024-11-10 18:30:27,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions. [2024-11-10 18:30:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 18:30:27,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:27,027 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] [2024-11-10 18:30:27,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:30:27,028 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:27,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:27,028 INFO L85 PathProgramCache]: Analyzing trace with hash 713632357, now seen corresponding path program 1 times [2024-11-10 18:30:27,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:27,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899219059] [2024-11-10 18:30:27,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:27,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:27,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:27,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899219059] [2024-11-10 18:30:27,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899219059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:27,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404792823] [2024-11-10 18:30:27,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:27,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:27,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:27,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:27,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:30:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:27,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:27,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:27,227 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:27,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404792823] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:27,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:27,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-10 18:30:27,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954062851] [2024-11-10 18:30:27,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:27,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:30:27,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:27,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:30:27,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:30:27,298 INFO L87 Difference]: Start difference. First operand 116 states and 140 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:27,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:27,450 INFO L93 Difference]: Finished difference Result 237 states and 289 transitions. [2024-11-10 18:30:27,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:30:27,451 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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 26 [2024-11-10 18:30:27,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:27,453 INFO L225 Difference]: With dead ends: 237 [2024-11-10 18:30:27,453 INFO L226 Difference]: Without dead ends: 164 [2024-11-10 18:30:27,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:30:27,454 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 47 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:27,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 183 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:27,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-10 18:30:27,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 156. [2024-11-10 18:30:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.380281690140845) internal successors, (196), 155 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 196 transitions. [2024-11-10 18:30:27,470 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 196 transitions. Word has length 26 [2024-11-10 18:30:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:27,470 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 196 transitions. [2024-11-10 18:30:27,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 196 transitions. [2024-11-10 18:30:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 18:30:27,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:27,471 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:27,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:30:27,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:27,672 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:27,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:27,673 INFO L85 PathProgramCache]: Analyzing trace with hash -301430783, now seen corresponding path program 1 times [2024-11-10 18:30:27,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:27,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028786486] [2024-11-10 18:30:27,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:27,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-10 18:30:27,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:27,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028786486] [2024-11-10 18:30:27,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028786486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:27,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:27,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:30:27,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979562553] [2024-11-10 18:30:27,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:27,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:30:27,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:27,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:30:27,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:30:27,843 INFO L87 Difference]: Start difference. First operand 156 states and 196 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:27,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:27,930 INFO L93 Difference]: Finished difference Result 179 states and 219 transitions. [2024-11-10 18:30:27,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:30:27,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 27 [2024-11-10 18:30:27,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:27,932 INFO L225 Difference]: With dead ends: 179 [2024-11-10 18:30:27,932 INFO L226 Difference]: Without dead ends: 159 [2024-11-10 18:30:27,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:30:27,933 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 102 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:27,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 63 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:27,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-10 18:30:27,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 156. [2024-11-10 18:30:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.3732394366197183) internal successors, (195), 155 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 195 transitions. [2024-11-10 18:30:27,947 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 195 transitions. Word has length 27 [2024-11-10 18:30:27,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:27,947 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 195 transitions. [2024-11-10 18:30:27,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2024-11-10 18:30:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:30:27,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:27,948 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:27,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 18:30:27,949 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:27,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:27,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1392388261, now seen corresponding path program 1 times [2024-11-10 18:30:27,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:27,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503806674] [2024-11-10 18:30:27,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:27,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:28,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:28,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503806674] [2024-11-10 18:30:28,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503806674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:28,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132354392] [2024-11-10 18:30:28,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:28,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:28,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:28,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:28,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:30:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:28,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:28,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:30:28,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:28,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132354392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:28,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:28,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 18:30:28,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356077915] [2024-11-10 18:30:28,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:28,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:30:28,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:28,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:30:28,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:28,214 INFO L87 Difference]: Start difference. First operand 156 states and 195 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:28,335 INFO L93 Difference]: Finished difference Result 161 states and 196 transitions. [2024-11-10 18:30:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:30:28,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 28 [2024-11-10 18:30:28,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:28,336 INFO L225 Difference]: With dead ends: 161 [2024-11-10 18:30:28,336 INFO L226 Difference]: Without dead ends: 158 [2024-11-10 18:30:28,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:28,337 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 17 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:28,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 92 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:28,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-10 18:30:28,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2024-11-10 18:30:28,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.3309859154929577) internal successors, (189), 155 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2024-11-10 18:30:28,345 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 28 [2024-11-10 18:30:28,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:28,345 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2024-11-10 18:30:28,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2024-11-10 18:30:28,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 18:30:28,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:28,346 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:28,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:30:28,546 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,SelfDestructingSolverStorable10 [2024-11-10 18:30:28,547 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:28,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:28,548 INFO L85 PathProgramCache]: Analyzing trace with hash -214363124, now seen corresponding path program 1 times [2024-11-10 18:30:28,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:28,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721833316] [2024-11-10 18:30:28,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:28,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:30:28,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:28,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721833316] [2024-11-10 18:30:28,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721833316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:28,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:28,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:28,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416942486] [2024-11-10 18:30:28,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:28,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:28,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:28,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:28,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:28,602 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:28,671 INFO L93 Difference]: Finished difference Result 160 states and 190 transitions. [2024-11-10 18:30:28,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:28,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 29 [2024-11-10 18:30:28,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:28,673 INFO L225 Difference]: With dead ends: 160 [2024-11-10 18:30:28,673 INFO L226 Difference]: Without dead ends: 158 [2024-11-10 18:30:28,673 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 [2024-11-10 18:30:28,674 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 11 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:28,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 95 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:28,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-10 18:30:28,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2024-11-10 18:30:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.3028169014084507) internal successors, (185), 155 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2024-11-10 18:30:28,680 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 29 [2024-11-10 18:30:28,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:28,680 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2024-11-10 18:30:28,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2024-11-10 18:30:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 18:30:28,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:28,681 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:28,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 18:30:28,681 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:28,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:28,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1054584006, now seen corresponding path program 1 times [2024-11-10 18:30:28,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:28,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717626718] [2024-11-10 18:30:28,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:28,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 18:30:28,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:28,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717626718] [2024-11-10 18:30:28,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717626718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:28,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:28,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:28,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069451636] [2024-11-10 18:30:28,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:28,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:28,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:28,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:28,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:28,730 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:28,766 INFO L93 Difference]: Finished difference Result 156 states and 185 transitions. [2024-11-10 18:30:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:28,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 44 [2024-11-10 18:30:28,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:28,767 INFO L225 Difference]: With dead ends: 156 [2024-11-10 18:30:28,767 INFO L226 Difference]: Without dead ends: 155 [2024-11-10 18:30:28,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:28,768 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 13 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:28,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 107 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:28,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-10 18:30:28,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-10 18:30:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 154 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2024-11-10 18:30:28,774 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 44 [2024-11-10 18:30:28,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:28,774 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2024-11-10 18:30:28,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,774 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2024-11-10 18:30:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 18:30:28,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:28,776 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:28,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 18:30:28,776 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:28,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:28,776 INFO L85 PathProgramCache]: Analyzing trace with hash 171865281, now seen corresponding path program 2 times [2024-11-10 18:30:28,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:28,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689481522] [2024-11-10 18:30:28,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:28,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-10 18:30:28,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:28,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689481522] [2024-11-10 18:30:28,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689481522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:28,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:28,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:28,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927070948] [2024-11-10 18:30:28,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:28,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:28,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:28,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:28,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:28,858 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:28,920 INFO L93 Difference]: Finished difference Result 161 states and 189 transitions. [2024-11-10 18:30:28,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:28,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 50 [2024-11-10 18:30:28,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:28,922 INFO L225 Difference]: With dead ends: 161 [2024-11-10 18:30:28,922 INFO L226 Difference]: Without dead ends: 159 [2024-11-10 18:30:28,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:28,923 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 8 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:28,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 109 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:28,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-10 18:30:28,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 158. [2024-11-10 18:30:28,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 145 states have (on average 1.282758620689655) internal successors, (186), 157 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 186 transitions. [2024-11-10 18:30:28,929 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 186 transitions. Word has length 50 [2024-11-10 18:30:28,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:28,929 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 186 transitions. [2024-11-10 18:30:28,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 186 transitions. [2024-11-10 18:30:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 18:30:28,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:28,930 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:28,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 18:30:28,931 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:28,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:28,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1899080303, now seen corresponding path program 1 times [2024-11-10 18:30:28,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:28,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295236719] [2024-11-10 18:30:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:28,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-10 18:30:29,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:29,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295236719] [2024-11-10 18:30:29,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295236719] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:29,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425528091] [2024-11-10 18:30:29,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:29,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:29,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:29,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:29,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:30:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:29,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:30:29,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 18:30:29,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:29,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425528091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:29,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:29,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 11 [2024-11-10 18:30:29,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117249079] [2024-11-10 18:30:29,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:29,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:30:29,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:30:29,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:30:29,269 INFO L87 Difference]: Start difference. First operand 158 states and 186 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:29,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:29,386 INFO L93 Difference]: Finished difference Result 265 states and 310 transitions. [2024-11-10 18:30:29,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:30:29,387 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 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 60 [2024-11-10 18:30:29,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:29,388 INFO L225 Difference]: With dead ends: 265 [2024-11-10 18:30:29,388 INFO L226 Difference]: Without dead ends: 153 [2024-11-10 18:30:29,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:30:29,390 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 53 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:29,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 223 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-10 18:30:29,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 147. [2024-11-10 18:30:29,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 135 states have (on average 1.2444444444444445) internal successors, (168), 146 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:29,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 168 transitions. [2024-11-10 18:30:29,396 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 168 transitions. Word has length 60 [2024-11-10 18:30:29,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:29,397 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 168 transitions. [2024-11-10 18:30:29,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:29,397 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 168 transitions. [2024-11-10 18:30:29,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 18:30:29,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:29,398 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:29,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 18:30:29,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:29,603 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:29,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:29,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1303350791, now seen corresponding path program 1 times [2024-11-10 18:30:29,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:29,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721795511] [2024-11-10 18:30:29,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:29,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 18:30:29,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:29,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721795511] [2024-11-10 18:30:29,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721795511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:29,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894457760] [2024-11-10 18:30:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:29,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:29,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:29,684 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:29,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:30:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:29,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:29,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 18:30:29,844 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:29,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894457760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:29,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:29,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-10 18:30:29,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500489944] [2024-11-10 18:30:29,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:29,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:30:29,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:29,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:30:29,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:30:29,847 INFO L87 Difference]: Start difference. First operand 147 states and 168 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 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) [2024-11-10 18:30:29,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:29,930 INFO L93 Difference]: Finished difference Result 147 states and 168 transitions. [2024-11-10 18:30:29,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:30:29,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 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 60 [2024-11-10 18:30:29,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:29,931 INFO L225 Difference]: With dead ends: 147 [2024-11-10 18:30:29,931 INFO L226 Difference]: Without dead ends: 144 [2024-11-10 18:30:29,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:30:29,932 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 16 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:29,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 119 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:29,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-10 18:30:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-10 18:30:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 135 states have (on average 1.2) internal successors, (162), 143 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 162 transitions. [2024-11-10 18:30:29,939 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 162 transitions. Word has length 60 [2024-11-10 18:30:29,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:29,939 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 162 transitions. [2024-11-10 18:30:29,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 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) [2024-11-10 18:30:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 162 transitions. [2024-11-10 18:30:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 18:30:29,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:29,940 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:29,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:30:30,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 18:30:30,142 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:30,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:30,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1749168846, now seen corresponding path program 1 times [2024-11-10 18:30:30,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:30,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230595353] [2024-11-10 18:30:30,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:30,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 18:30:30,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:30,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230595353] [2024-11-10 18:30:30,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230595353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:30,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842897610] [2024-11-10 18:30:30,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:30,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:30,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:30,245 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:30,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:30:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:30,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:30,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 18:30:30,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 18:30:30,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842897610] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:30,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:30,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 18:30:30,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099877344] [2024-11-10 18:30:30,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:30,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:30:30,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:30,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:30:30,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:30,471 INFO L87 Difference]: Start difference. First operand 144 states and 162 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:30,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:30,569 INFO L93 Difference]: Finished difference Result 215 states and 254 transitions. [2024-11-10 18:30:30,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:30:30,570 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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 61 [2024-11-10 18:30:30,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:30,571 INFO L225 Difference]: With dead ends: 215 [2024-11-10 18:30:30,571 INFO L226 Difference]: Without dead ends: 212 [2024-11-10 18:30:30,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:30,572 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 42 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:30,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 136 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:30,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-10 18:30:30,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-10 18:30:30,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 211 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 243 transitions. [2024-11-10 18:30:30,579 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 243 transitions. Word has length 61 [2024-11-10 18:30:30,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:30,579 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 243 transitions. [2024-11-10 18:30:30,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 243 transitions. [2024-11-10 18:30:30,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 18:30:30,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:30,580 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 18:30:30,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:30:30,783 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,SelfDestructingSolverStorable16 [2024-11-10 18:30:30,784 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:30,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:30,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1610340631, now seen corresponding path program 1 times [2024-11-10 18:30:30,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:30,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504007589] [2024-11-10 18:30:30,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:30,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 18:30:30,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:30,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504007589] [2024-11-10 18:30:30,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504007589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:30,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065843547] [2024-11-10 18:30:30,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:30,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:30,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:30,883 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:30,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:30:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:30,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:30,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 18:30:31,049 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:31,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065843547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:31,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:31,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-10 18:30:31,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120313156] [2024-11-10 18:30:31,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:31,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:30:31,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:31,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:30:31,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:30:31,051 INFO L87 Difference]: Start difference. First operand 212 states and 243 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:31,167 INFO L93 Difference]: Finished difference Result 214 states and 243 transitions. [2024-11-10 18:30:31,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:30:31,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 62 [2024-11-10 18:30:31,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:31,168 INFO L225 Difference]: With dead ends: 214 [2024-11-10 18:30:31,168 INFO L226 Difference]: Without dead ends: 212 [2024-11-10 18:30:31,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:30:31,169 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 29 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:31,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 123 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:31,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-10 18:30:31,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-10 18:30:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 203 states have (on average 1.1773399014778325) internal successors, (239), 211 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:31,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 239 transitions. [2024-11-10 18:30:31,178 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 239 transitions. Word has length 62 [2024-11-10 18:30:31,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:31,178 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 239 transitions. [2024-11-10 18:30:31,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:31,178 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 239 transitions. [2024-11-10 18:30:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 18:30:31,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:31,179 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:31,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 18:30:31,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 18:30:31,380 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:31,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:31,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1619047984, now seen corresponding path program 1 times [2024-11-10 18:30:31,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:31,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610793893] [2024-11-10 18:30:31,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:31,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 18:30:31,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:31,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610793893] [2024-11-10 18:30:31,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610793893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:31,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:31,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:31,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87041209] [2024-11-10 18:30:31,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:31,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:31,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:31,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:31,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:31,451 INFO L87 Difference]: Start difference. First operand 212 states and 239 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) [2024-11-10 18:30:31,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:31,496 INFO L93 Difference]: Finished difference Result 214 states and 239 transitions. [2024-11-10 18:30:31,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:31,496 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 63 [2024-11-10 18:30:31,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:31,497 INFO L225 Difference]: With dead ends: 214 [2024-11-10 18:30:31,498 INFO L226 Difference]: Without dead ends: 212 [2024-11-10 18:30:31,498 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 [2024-11-10 18:30:31,498 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 15 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:31,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 78 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:31,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-10 18:30:31,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-10 18:30:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 203 states have (on average 1.1576354679802956) internal successors, (235), 211 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 235 transitions. [2024-11-10 18:30:31,508 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 235 transitions. Word has length 63 [2024-11-10 18:30:31,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:31,508 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 235 transitions. [2024-11-10 18:30:31,508 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) [2024-11-10 18:30:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 235 transitions. [2024-11-10 18:30:31,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-10 18:30:31,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:31,509 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:31,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 18:30:31,509 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:31,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:31,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1843093801, now seen corresponding path program 1 times [2024-11-10 18:30:31,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:31,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911060323] [2024-11-10 18:30:31,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:31,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 18:30:31,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:31,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911060323] [2024-11-10 18:30:31,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911060323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:31,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969669971] [2024-11-10 18:30:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:31,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:31,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:31,624 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:31,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:30:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:31,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:31,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 18:30:31,728 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:31,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969669971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:31,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:31,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:30:31,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055196990] [2024-11-10 18:30:31,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:31,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:30:31,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:31,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:30:31,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:30:31,730 INFO L87 Difference]: Start difference. First operand 212 states and 235 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:31,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:31,811 INFO L93 Difference]: Finished difference Result 213 states and 236 transitions. [2024-11-10 18:30:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:30:31,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 73 [2024-11-10 18:30:31,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:31,813 INFO L225 Difference]: With dead ends: 213 [2024-11-10 18:30:31,813 INFO L226 Difference]: Without dead ends: 212 [2024-11-10 18:30:31,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:30:31,814 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 27 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:31,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 115 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:31,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-10 18:30:31,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 211. [2024-11-10 18:30:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 203 states have (on average 1.1527093596059113) internal successors, (234), 210 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 234 transitions. [2024-11-10 18:30:31,822 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 234 transitions. Word has length 73 [2024-11-10 18:30:31,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:31,822 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 234 transitions. [2024-11-10 18:30:31,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 234 transitions. [2024-11-10 18:30:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 18:30:31,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:31,825 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2024-11-10 18:30:31,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:30:32,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:32,026 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:32,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:32,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1301333008, now seen corresponding path program 1 times [2024-11-10 18:30:32,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:32,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786056449] [2024-11-10 18:30:32,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:32,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 18:30:32,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:32,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786056449] [2024-11-10 18:30:32,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786056449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:32,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006068930] [2024-11-10 18:30:32,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:32,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:32,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:32,111 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:32,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:30:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:32,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:30:32,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 18:30:32,226 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 18:30:32,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006068930] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:32,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:32,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:30:32,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714898019] [2024-11-10 18:30:32,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:32,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:30:32,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:32,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:30:32,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:30:32,290 INFO L87 Difference]: Start difference. First operand 211 states and 234 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:32,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:32,426 INFO L93 Difference]: Finished difference Result 239 states and 267 transitions. [2024-11-10 18:30:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:30:32,426 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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 74 [2024-11-10 18:30:32,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:32,428 INFO L225 Difference]: With dead ends: 239 [2024-11-10 18:30:32,428 INFO L226 Difference]: Without dead ends: 238 [2024-11-10 18:30:32,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:30:32,428 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 112 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:32,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 221 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:32,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-10 18:30:32,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-10 18:30:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 230 states have (on average 1.1478260869565218) internal successors, (264), 237 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 264 transitions. [2024-11-10 18:30:32,438 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 264 transitions. Word has length 74 [2024-11-10 18:30:32,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:32,439 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 264 transitions. [2024-11-10 18:30:32,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 264 transitions. [2024-11-10 18:30:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 18:30:32,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:32,440 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:32,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 18:30:32,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-10 18:30:32,641 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:32,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:32,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1939301563, now seen corresponding path program 2 times [2024-11-10 18:30:32,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:32,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294709504] [2024-11-10 18:30:32,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:32,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 50 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 18:30:32,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:32,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294709504] [2024-11-10 18:30:32,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294709504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:32,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485536359] [2024-11-10 18:30:32,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:30:32,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:32,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:32,738 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:32,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:30:32,810 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:30:32,810 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:30:32,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:30:32,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 18:30:32,967 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:30:32,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485536359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:32,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:30:32,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-11-10 18:30:32,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186475862] [2024-11-10 18:30:32,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:32,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:30:32,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:32,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:30:32,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:30:32,969 INFO L87 Difference]: Start difference. First operand 238 states and 264 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:33,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:33,095 INFO L93 Difference]: Finished difference Result 238 states and 264 transitions. [2024-11-10 18:30:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:30:33,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 74 [2024-11-10 18:30:33,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:33,097 INFO L225 Difference]: With dead ends: 238 [2024-11-10 18:30:33,097 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 18:30:33,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:30:33,098 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 16 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:33,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 106 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:33,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 18:30:33,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-10 18:30:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 230 states have (on average 1.1217391304347826) internal successors, (258), 235 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 258 transitions. [2024-11-10 18:30:33,105 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 258 transitions. Word has length 74 [2024-11-10 18:30:33,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:33,105 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 258 transitions. [2024-11-10 18:30:33,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 258 transitions. [2024-11-10 18:30:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 18:30:33,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:33,106 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:33,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 18:30:33,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:33,307 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:33,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:33,307 INFO L85 PathProgramCache]: Analyzing trace with hash 11193698, now seen corresponding path program 2 times [2024-11-10 18:30:33,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:33,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727604918] [2024-11-10 18:30:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:33,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-10 18:30:33,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:33,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727604918] [2024-11-10 18:30:33,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727604918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:33,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954611716] [2024-11-10 18:30:33,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:30:33,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:33,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:33,358 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:33,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:30:33,417 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:30:33,417 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:30:33,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:33,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-10 18:30:33,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-10 18:30:33,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954611716] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:33,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:33,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2024-11-10 18:30:33,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796464864] [2024-11-10 18:30:33,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:33,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:30:33,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:33,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:30:33,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:30:33,639 INFO L87 Difference]: Start difference. First operand 236 states and 258 transitions. Second operand has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:33,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:33,765 INFO L93 Difference]: Finished difference Result 239 states and 261 transitions. [2024-11-10 18:30:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:30:33,766 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 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 75 [2024-11-10 18:30:33,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:33,767 INFO L225 Difference]: With dead ends: 239 [2024-11-10 18:30:33,767 INFO L226 Difference]: Without dead ends: 237 [2024-11-10 18:30:33,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:30:33,768 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 96 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:33,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 113 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:30:33,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-10 18:30:33,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2024-11-10 18:30:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 230 states have (on average 1.0956521739130434) internal successors, (252), 233 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 252 transitions. [2024-11-10 18:30:33,779 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 252 transitions. Word has length 75 [2024-11-10 18:30:33,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:33,779 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 252 transitions. [2024-11-10 18:30:33,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 252 transitions. [2024-11-10 18:30:33,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-10 18:30:33,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:33,780 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:33,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 18:30:33,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 18:30:33,985 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:33,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:33,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1538460115, now seen corresponding path program 2 times [2024-11-10 18:30:33,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:33,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909694291] [2024-11-10 18:30:33,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:33,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 57 proven. 33 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-10 18:30:34,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:34,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909694291] [2024-11-10 18:30:34,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909694291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:34,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907562957] [2024-11-10 18:30:34,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:30:34,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:34,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:34,540 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:34,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:30:34,603 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:30:34,603 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:30:34,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:34,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-10 18:30:34,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-10 18:30:34,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907562957] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:34,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:34,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 4, 4] total 20 [2024-11-10 18:30:34,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004891543] [2024-11-10 18:30:34,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:34,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 18:30:34,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:34,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 18:30:34,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:30:34,889 INFO L87 Difference]: Start difference. First operand 234 states and 252 transitions. Second operand has 20 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:35,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:35,332 INFO L93 Difference]: Finished difference Result 279 states and 303 transitions. [2024-11-10 18:30:35,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 18:30:35,332 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 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 101 [2024-11-10 18:30:35,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:35,333 INFO L225 Difference]: With dead ends: 279 [2024-11-10 18:30:35,334 INFO L226 Difference]: Without dead ends: 188 [2024-11-10 18:30:35,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 198 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=242, Invalid=1018, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 18:30:35,335 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 313 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:35,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 238 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:30:35,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-10 18:30:35,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-11-10 18:30:35,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 185 states have (on average 1.0702702702702702) internal successors, (198), 187 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:35,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 198 transitions. [2024-11-10 18:30:35,341 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 198 transitions. Word has length 101 [2024-11-10 18:30:35,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:35,341 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 198 transitions. [2024-11-10 18:30:35,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:35,342 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 198 transitions. [2024-11-10 18:30:35,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 18:30:35,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:35,343 INFO L215 NwaCegarLoop]: trace histogram [12, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:35,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 18:30:35,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-10 18:30:35,544 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:35,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:35,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1596533474, now seen corresponding path program 1 times [2024-11-10 18:30:35,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:35,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524924419] [2024-11-10 18:30:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:35,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-10 18:30:35,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:35,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524924419] [2024-11-10 18:30:35,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524924419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:30:35,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:30:35,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:30:35,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604182583] [2024-11-10 18:30:35,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:30:35,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:30:35,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:35,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:30:35,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:35,626 INFO L87 Difference]: Start difference. First operand 188 states and 198 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:35,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:35,659 INFO L93 Difference]: Finished difference Result 188 states and 198 transitions. [2024-11-10 18:30:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:30:35,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 143 [2024-11-10 18:30:35,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:35,661 INFO L225 Difference]: With dead ends: 188 [2024-11-10 18:30:35,661 INFO L226 Difference]: Without dead ends: 187 [2024-11-10 18:30:35,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:30:35,661 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 5 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:35,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 49 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:35,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-10 18:30:35,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-10 18:30:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 185 states have (on average 1.0648648648648649) internal successors, (197), 186 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 197 transitions. [2024-11-10 18:30:35,667 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 197 transitions. Word has length 143 [2024-11-10 18:30:35,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:35,667 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 197 transitions. [2024-11-10 18:30:35,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 197 transitions. [2024-11-10 18:30:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 18:30:35,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:30:35,669 INFO L215 NwaCegarLoop]: trace histogram [13, 10, 9, 9, 9, 9, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:35,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 18:30:35,669 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:30:35,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:30:35,670 INFO L85 PathProgramCache]: Analyzing trace with hash -311252642, now seen corresponding path program 2 times [2024-11-10 18:30:35,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:30:35,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004724482] [2024-11-10 18:30:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:30:35,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:30:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:30:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-10 18:30:35,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:30:35,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004724482] [2024-11-10 18:30:35,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004724482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:30:35,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109060636] [2024-11-10 18:30:35,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:30:35,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:30:35,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:30:35,995 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:30:35,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:30:36,068 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:30:36,068 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:30:36,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:30:36,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:30:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-10 18:30:36,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:30:36,777 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-10 18:30:36,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109060636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:30:36,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:30:36,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 8 [2024-11-10 18:30:36,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820539721] [2024-11-10 18:30:36,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:30:36,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:30:36,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:30:36,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:30:36,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:30:36,780 INFO L87 Difference]: Start difference. First operand 187 states and 197 transitions. Second operand has 9 states, 8 states have (on average 13.125) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:36,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:30:36,830 INFO L93 Difference]: Finished difference Result 187 states and 197 transitions. [2024-11-10 18:30:36,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:30:36,830 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.125) internal successors, (105), 9 states have internal predecessors, (105), 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 153 [2024-11-10 18:30:36,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:30:36,831 INFO L225 Difference]: With dead ends: 187 [2024-11-10 18:30:36,831 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:30:36,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:30:36,832 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 18 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:30:36,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 22 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:30:36,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:30:36,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:30:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:30:36,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2024-11-10 18:30:36,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:30:36,833 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:30:36,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.125) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:30:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:30:36,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:30:36,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-10 18:30:36,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-10 18:30:36,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-10 18:30:36,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-10 18:30:36,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-10 18:30:36,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-10 18:30:36,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-10 18:30:36,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-10 18:30:36,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-10 18:30:36,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-10 18:30:36,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-10 18:30:36,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-10 18:30:36,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-10 18:30:36,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-10 18:30:36,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-10 18:30:36,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-10 18:30:36,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 18:30:37,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 18:30:37,044 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:30:37,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:30:37,356 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:30:37,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:30:37 BoogieIcfgContainer [2024-11-10 18:30:37,367 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:30:37,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:30:37,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:30:37,368 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:30:37,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:30:25" (3/4) ... [2024-11-10 18:30:37,371 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:30:37,379 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-10 18:30:37,380 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 18:30:37,380 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:30:37,380 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:30:37,471 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:30:37,471 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:30:37,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:30:37,472 INFO L158 Benchmark]: Toolchain (without parser) took 13178.96ms. Allocated memory was 182.5MB in the beginning and 243.3MB in the end (delta: 60.8MB). Free memory was 125.2MB in the beginning and 113.8MB in the end (delta: 11.3MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2024-11-10 18:30:37,473 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 182.5MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:30:37,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.47ms. Allocated memory is still 182.5MB. Free memory was 124.7MB in the beginning and 112.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:30:37,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.63ms. Allocated memory is still 182.5MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:30:37,473 INFO L158 Benchmark]: Boogie Preprocessor took 54.43ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 108.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:30:37,474 INFO L158 Benchmark]: IcfgBuilder took 411.01ms. Allocated memory is still 182.5MB. Free memory was 108.4MB in the beginning and 92.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 18:30:37,474 INFO L158 Benchmark]: TraceAbstraction took 12266.76ms. Allocated memory was 182.5MB in the beginning and 243.3MB in the end (delta: 60.8MB). Free memory was 92.0MB in the beginning and 119.1MB in the end (delta: -27.1MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-11-10 18:30:37,475 INFO L158 Benchmark]: Witness Printer took 103.83ms. Allocated memory is still 243.3MB. Free memory was 119.1MB in the beginning and 113.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 18:30:37,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 182.5MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.47ms. Allocated memory is still 182.5MB. Free memory was 124.7MB in the beginning and 112.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.63ms. Allocated memory is still 182.5MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.43ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 108.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 411.01ms. Allocated memory is still 182.5MB. Free memory was 108.4MB in the beginning and 92.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12266.76ms. Allocated memory was 182.5MB in the beginning and 243.3MB in the end (delta: 60.8MB). Free memory was 92.0MB in the beginning and 119.1MB in the end (delta: -27.1MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Witness Printer took 103.83ms. Allocated memory is still 243.3MB. Free memory was 119.1MB in the beginning and 113.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 26, TraceHistogramMax: 13, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1176 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1176 mSDsluCounter, 2869 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1820 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2489 IncrementalHoareTripleChecker+Invalid, 2556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 1049 mSDtfsCounter, 2489 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1457 GetRequests, 1302 SyntacticMatches, 4 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=21, InterpolantAutomatonStates: 152, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 26 MinimizatonAttempts, 58 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 2157 NumberOfCodeBlocks, 1879 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 2603 ConstructedInterpolants, 0 QuantifiedInterpolants, 9383 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1436 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 44 InterpolantComputations, 20 PerfectInterpolantSequences, 3160/3564 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 27]: Location Invariant Derived location invariant: null - InvariantResult [Line: 29]: Location Invariant Derived location invariant: null - InvariantResult [Line: 42]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:30:37,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE