./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-fpi/condn.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-fpi/condn.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 d395fadb914a95d9511046d910130b84077290c26c4e0d02bd3863b898526b50 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:32:13,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:32:13,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:32:13,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:32:13,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:32:13,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:32:13,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:32:13,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:32:13,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:32:13,143 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:32:13,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:32:13,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:32:13,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:32:13,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:32:13,146 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:32:13,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:32:13,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:32:13,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:32:13,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:32:13,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:32:13,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:32:13,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:32:13,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:32:13,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:32:13,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:32:13,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:32:13,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:32:13,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:32:13,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:32:13,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:32:13,153 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:32:13,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:32:13,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:32:13,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:32:13,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:32:13,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:32:13,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:32:13,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:32:13,154 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:32:13,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:32:13,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:32:13,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:32:13,156 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:32:13,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:32:13,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d395fadb914a95d9511046d910130b84077290c26c4e0d02bd3863b898526b50 [2024-11-10 18:32:13,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:32:13,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:32:13,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:32:13,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:32:13,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:32:13,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/condn.c [2024-11-10 18:32:14,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:32:14,867 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:32:14,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/condn.c [2024-11-10 18:32:14,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7e560041/0592dfc955704fe68e520efbf788315c/FLAGcffb7f872 [2024-11-10 18:32:15,278 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7e560041/0592dfc955704fe68e520efbf788315c [2024-11-10 18:32:15,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:32:15,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:32:15,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:32:15,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:32:15,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:32:15,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4541f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15, skipping insertion in model container [2024-11-10 18:32:15,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:32:15,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:32:15,464 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:32:15,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:32:15,492 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:32:15,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15 WrapperNode [2024-11-10 18:32:15,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:32:15,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:32:15,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:32:15,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:32:15,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,540 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2024-11-10 18:32:15,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:32:15,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:32:15,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:32:15,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:32:15,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,557 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,580 INFO L175 MemorySlicer]: Split 16 memory accesses to 3 slices as follows [2, 8, 6]. 50 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 3 writes are split as follows [0, 0, 3]. [2024-11-10 18:32:15,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:32:15,607 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:32:15,608 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:32:15,608 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:32:15,609 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (1/1) ... [2024-11-10 18:32:15,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:32:15,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:15,642 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 18:32:15,654 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 18:32:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:32:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:32:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:32:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 18:32:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:32:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:32:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 18:32:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 18:32:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:32:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:32:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:32:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:32:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 18:32:15,748 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:32:15,750 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:32:15,861 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-10 18:32:15,861 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:32:15,873 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:32:15,874 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:32:15,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:32:15 BoogieIcfgContainer [2024-11-10 18:32:15,875 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:32:15,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:32:15,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:32:15,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:32:15,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:32:15" (1/3) ... [2024-11-10 18:32:15,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442b5277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:32:15, skipping insertion in model container [2024-11-10 18:32:15,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:32:15" (2/3) ... [2024-11-10 18:32:15,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442b5277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:32:15, skipping insertion in model container [2024-11-10 18:32:15,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:32:15" (3/3) ... [2024-11-10 18:32:15,885 INFO L112 eAbstractionObserver]: Analyzing ICFG condn.c [2024-11-10 18:32:15,897 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:32:15,897 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 18:32:15,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:32:15,952 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;@12bf5be6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:32:15,954 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 18:32:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 37 states have internal predecessors, (47), 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 18:32:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:32:15,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:15,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:15,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:15,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:15,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1801480021, now seen corresponding path program 1 times [2024-11-10 18:32:15,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:15,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757735420] [2024-11-10 18:32:15,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:15,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:16,193 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 18:32:16,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:16,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757735420] [2024-11-10 18:32:16,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757735420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:16,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:16,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:32:16,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588020586] [2024-11-10 18:32:16,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:16,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:32:16,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:16,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:32:16,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:16,220 INFO L87 Difference]: Start difference. First operand has 38 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 37 states have internal predecessors, (47), 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 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 18:32:16,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:16,284 INFO L93 Difference]: Finished difference Result 85 states and 111 transitions. [2024-11-10 18:32:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:16,288 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 18:32:16,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:16,294 INFO L225 Difference]: With dead ends: 85 [2024-11-10 18:32:16,295 INFO L226 Difference]: Without dead ends: 45 [2024-11-10 18:32:16,297 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 18:32:16,300 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 10 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:16,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 73 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:16,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-10 18:32:16,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2024-11-10 18:32:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 35 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2024-11-10 18:32:16,327 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 8 [2024-11-10 18:32:16,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:16,327 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2024-11-10 18:32:16,327 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 18:32:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-11-10 18:32:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 18:32:16,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:16,328 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:16,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:32:16,329 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:16,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:16,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1806655352, now seen corresponding path program 1 times [2024-11-10 18:32:16,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:16,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714782445] [2024-11-10 18:32:16,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:16,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:16,408 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 18:32:16,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:16,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714782445] [2024-11-10 18:32:16,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714782445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:16,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:16,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:32:16,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140968275] [2024-11-10 18:32:16,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:16,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:32:16,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:16,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:32:16,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:16,412 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 18:32:16,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:16,463 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2024-11-10 18:32:16,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:16,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-10 18:32:16,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:16,464 INFO L225 Difference]: With dead ends: 64 [2024-11-10 18:32:16,464 INFO L226 Difference]: Without dead ends: 44 [2024-11-10 18:32:16,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 18:32:16,466 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 47 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:16,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 42 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-10 18:32:16,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2024-11-10 18:32:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 32 states have (on average 1.28125) internal successors, (41), 37 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 18:32:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2024-11-10 18:32:16,471 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 13 [2024-11-10 18:32:16,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:16,471 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2024-11-10 18:32:16,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 18:32:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-11-10 18:32:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 18:32:16,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:16,472 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:16,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:32:16,472 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:16,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:16,473 INFO L85 PathProgramCache]: Analyzing trace with hash 86699733, now seen corresponding path program 1 times [2024-11-10 18:32:16,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:16,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620928153] [2024-11-10 18:32:16,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:16,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:32:16,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:16,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620928153] [2024-11-10 18:32:16,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620928153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:16,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76170385] [2024-11-10 18:32:16,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:16,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:16,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:16,594 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 18:32:16,595 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 18:32:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:16,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:32:16,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:32:16,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:32:16,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76170385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:16,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:32:16,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:32:16,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135209090] [2024-11-10 18:32:16,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:16,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:32:16,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:16,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:32:16,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:32:16,746 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 18:32:16,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:16,816 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2024-11-10 18:32:16,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:32:16,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2024-11-10 18:32:16,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:16,817 INFO L225 Difference]: With dead ends: 45 [2024-11-10 18:32:16,817 INFO L226 Difference]: Without dead ends: 44 [2024-11-10 18:32:16,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 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 18:32:16,818 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:16,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 74 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:16,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-10 18:32:16,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2024-11-10 18:32:16,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.25) internal successors, (40), 36 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:32:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2024-11-10 18:32:16,829 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 13 [2024-11-10 18:32:16,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:16,830 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2024-11-10 18:32:16,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 18:32:16,830 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2024-11-10 18:32:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-10 18:32:16,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:16,833 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:16,850 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 18:32:17,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:17,037 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:17,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:17,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1607275567, now seen corresponding path program 1 times [2024-11-10 18:32:17,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:17,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918669244] [2024-11-10 18:32:17,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:17,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:32:17,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:17,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918669244] [2024-11-10 18:32:17,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918669244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:17,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306118676] [2024-11-10 18:32:17,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:17,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:17,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:17,180 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 18:32:17,181 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 18:32:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:17,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:32:17,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:32:17,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:32:17,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306118676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:17,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:17,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:32:17,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596328370] [2024-11-10 18:32:17,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:17,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:32:17,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:17,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:32:17,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:32:17,332 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 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 18:32:17,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:17,415 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2024-11-10 18:32:17,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:32:17,416 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 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 18:32:17,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:17,417 INFO L225 Difference]: With dead ends: 59 [2024-11-10 18:32:17,419 INFO L226 Difference]: Without dead ends: 58 [2024-11-10 18:32:17,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 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 18:32:17,420 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 16 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:17,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 156 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:17,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-10 18:32:17,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 52. [2024-11-10 18:32:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 51 states have internal predecessors, (58), 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 18:32:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2024-11-10 18:32:17,427 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 14 [2024-11-10 18:32:17,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:17,428 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2024-11-10 18:32:17,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 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 18:32:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2024-11-10 18:32:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-10 18:32:17,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:17,428 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:17,441 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 18:32:17,632 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,SelfDestructingSolverStorable3 [2024-11-10 18:32:17,633 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:17,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:17,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1049704184, now seen corresponding path program 1 times [2024-11-10 18:32:17,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:17,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12495562] [2024-11-10 18:32:17,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:17,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:32:17,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:17,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12495562] [2024-11-10 18:32:17,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12495562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:17,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:17,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:32:17,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079775087] [2024-11-10 18:32:17,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:17,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:32:17,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:17,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:32:17,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:17,682 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 18:32:17,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:17,716 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2024-11-10 18:32:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:17,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 18:32:17,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:17,717 INFO L225 Difference]: With dead ends: 63 [2024-11-10 18:32:17,717 INFO L226 Difference]: Without dead ends: 61 [2024-11-10 18:32:17,717 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 18:32:17,718 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 7 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:17,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 61 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:17,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-10 18:32:17,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2024-11-10 18:32:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 55 states have internal predecessors, (63), 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 18:32:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2024-11-10 18:32:17,723 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 63 transitions. Word has length 18 [2024-11-10 18:32:17,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:17,723 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 63 transitions. [2024-11-10 18:32:17,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 18:32:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2024-11-10 18:32:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 18:32:17,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:17,724 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] [2024-11-10 18:32:17,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:32:17,724 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:17,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:17,724 INFO L85 PathProgramCache]: Analyzing trace with hash -2062907852, now seen corresponding path program 1 times [2024-11-10 18:32:17,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:17,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449808674] [2024-11-10 18:32:17,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:17,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:32:17,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:17,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449808674] [2024-11-10 18:32:17,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449808674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:17,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302582560] [2024-11-10 18:32:17,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:17,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:17,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:17,785 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 18:32:17,789 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 18:32:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:17,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:32:17,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:32:17,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:32:18,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302582560] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:18,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:18,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2024-11-10 18:32:18,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750130338] [2024-11-10 18:32:18,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:18,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:32:18,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:18,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:32:18,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:32:18,052 INFO L87 Difference]: Start difference. First operand 56 states and 63 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 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 18:32:18,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:18,232 INFO L93 Difference]: Finished difference Result 107 states and 121 transitions. [2024-11-10 18:32:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:32:18,233 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 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 25 [2024-11-10 18:32:18,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:18,235 INFO L225 Difference]: With dead ends: 107 [2024-11-10 18:32:18,236 INFO L226 Difference]: Without dead ends: 88 [2024-11-10 18:32:18,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-11-10 18:32:18,237 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 43 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:18,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 160 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:18,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-10 18:32:18,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 65. [2024-11-10 18:32:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 64 states have internal predecessors, (73), 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 18:32:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2024-11-10 18:32:18,247 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 25 [2024-11-10 18:32:18,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:18,247 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2024-11-10 18:32:18,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 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 18:32:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2024-11-10 18:32:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:32:18,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:18,250 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:18,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:32:18,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:18,452 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:18,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:18,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1383806596, now seen corresponding path program 1 times [2024-11-10 18:32:18,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:18,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616224665] [2024-11-10 18:32:18,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:18,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:32:18,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:18,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616224665] [2024-11-10 18:32:18,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616224665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:32:18,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:32:18,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:32:18,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993756244] [2024-11-10 18:32:18,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:32:18,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:32:18,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:18,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:32:18,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:32:18,504 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 18:32:18,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:18,535 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2024-11-10 18:32:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:32:18,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 18:32:18,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:18,536 INFO L225 Difference]: With dead ends: 74 [2024-11-10 18:32:18,536 INFO L226 Difference]: Without dead ends: 72 [2024-11-10 18:32:18,536 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 18:32:18,537 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:18,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 58 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:32:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-10 18:32:18,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2024-11-10 18:32:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 70 states have internal predecessors, (79), 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 18:32:18,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2024-11-10 18:32:18,546 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 28 [2024-11-10 18:32:18,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:18,547 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2024-11-10 18:32:18,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 18:32:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2024-11-10 18:32:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 18:32:18,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:18,548 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:18,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:32:18,548 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:18,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:18,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1868356783, now seen corresponding path program 2 times [2024-11-10 18:32:18,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:18,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035118811] [2024-11-10 18:32:18,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:18,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:32:18,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:18,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035118811] [2024-11-10 18:32:18,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035118811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:18,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648391688] [2024-11-10 18:32:18,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:32:18,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:18,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:18,675 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 18:32:18,693 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 18:32:18,743 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:32:18,743 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:32:18,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:32:18,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:18,804 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-10 18:32:18,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:18,850 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-10 18:32:18,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648391688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:18,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:18,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 3] total 13 [2024-11-10 18:32:18,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904008509] [2024-11-10 18:32:18,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:18,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:32:18,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:18,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:32:18,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:32:18,852 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 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 18:32:19,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:19,146 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2024-11-10 18:32:19,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:32:19,146 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 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 29 [2024-11-10 18:32:19,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:19,147 INFO L225 Difference]: With dead ends: 77 [2024-11-10 18:32:19,147 INFO L226 Difference]: Without dead ends: 76 [2024-11-10 18:32:19,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:32:19,148 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 44 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:19,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 139 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:19,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-10 18:32:19,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 58. [2024-11-10 18:32:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 57 states have internal predecessors, (64), 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 18:32:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2024-11-10 18:32:19,161 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 29 [2024-11-10 18:32:19,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:19,163 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2024-11-10 18:32:19,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 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 18:32:19,163 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2024-11-10 18:32:19,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 18:32:19,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:19,165 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:19,181 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 18:32:19,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:19,371 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:19,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:19,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1179510723, now seen corresponding path program 1 times [2024-11-10 18:32:19,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:19,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58680592] [2024-11-10 18:32:19,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:19,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:32:19,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:19,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58680592] [2024-11-10 18:32:19,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58680592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:19,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224587180] [2024-11-10 18:32:19,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:19,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:19,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:19,452 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 18:32:19,453 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 18:32:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:19,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:32:19,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:32:19,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:32:19,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224587180] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:19,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:19,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:32:19,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686408246] [2024-11-10 18:32:19,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:19,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:32:19,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:19,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:32:19,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:32:19,614 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 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 18:32:19,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:19,690 INFO L93 Difference]: Finished difference Result 80 states and 94 transitions. [2024-11-10 18:32:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:32:19,691 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 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 31 [2024-11-10 18:32:19,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:19,691 INFO L225 Difference]: With dead ends: 80 [2024-11-10 18:32:19,691 INFO L226 Difference]: Without dead ends: 79 [2024-11-10 18:32:19,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:32:19,693 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 16 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:19,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 109 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:19,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-10 18:32:19,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-10 18:32:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 78 states have internal predecessors, (91), 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 18:32:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2024-11-10 18:32:19,702 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 31 [2024-11-10 18:32:19,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:19,702 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2024-11-10 18:32:19,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 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 18:32:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2024-11-10 18:32:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 18:32:19,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:19,707 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, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:19,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:32:19,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:19,909 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:19,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:19,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1695948946, now seen corresponding path program 1 times [2024-11-10 18:32:19,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:19,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131471127] [2024-11-10 18:32:19,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:19,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:32:19,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:19,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131471127] [2024-11-10 18:32:19,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131471127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:19,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18588997] [2024-11-10 18:32:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:19,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:19,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:19,971 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 18:32:19,973 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 18:32:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:20,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:32:20,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:32:20,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:32:20,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18588997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:20,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:20,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2024-11-10 18:32:20,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198255601] [2024-11-10 18:32:20,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:20,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:32:20,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:20,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:32:20,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:32:20,220 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 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 18:32:20,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:20,369 INFO L93 Difference]: Finished difference Result 102 states and 115 transitions. [2024-11-10 18:32:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 18:32:20,370 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 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 35 [2024-11-10 18:32:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:20,370 INFO L225 Difference]: With dead ends: 102 [2024-11-10 18:32:20,370 INFO L226 Difference]: Without dead ends: 73 [2024-11-10 18:32:20,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:32:20,371 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 24 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:20,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 152 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:20,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-10 18:32:20,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2024-11-10 18:32:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 67 states have internal predecessors, (78), 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 18:32:20,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2024-11-10 18:32:20,376 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 35 [2024-11-10 18:32:20,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:20,376 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2024-11-10 18:32:20,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 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 18:32:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2024-11-10 18:32:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 18:32:20,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:20,377 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:20,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:32:20,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:20,578 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:20,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:20,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1844066580, now seen corresponding path program 1 times [2024-11-10 18:32:20,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:20,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466494491] [2024-11-10 18:32:20,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:20,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:32:20,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:20,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466494491] [2024-11-10 18:32:20,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466494491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:20,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844525889] [2024-11-10 18:32:20,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:20,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:20,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:20,642 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 18:32:20,646 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 18:32:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:20,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:32:20,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:32:20,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:32:20,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844525889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:20,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:20,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2024-11-10 18:32:20,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056576231] [2024-11-10 18:32:20,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:20,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:32:20,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:32:20,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:32:20,887 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 states have internal predecessors, (76), 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 18:32:21,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:21,070 INFO L93 Difference]: Finished difference Result 91 states and 102 transitions. [2024-11-10 18:32:21,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 18:32:21,071 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-11-10 18:32:21,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:21,071 INFO L225 Difference]: With dead ends: 91 [2024-11-10 18:32:21,072 INFO L226 Difference]: Without dead ends: 76 [2024-11-10 18:32:21,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:32:21,072 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 68 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:21,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 138 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:21,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-10 18:32:21,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2024-11-10 18:32:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 73 states have (on average 1.1506849315068493) internal successors, (84), 74 states have internal predecessors, (84), 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 18:32:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2024-11-10 18:32:21,076 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 41 [2024-11-10 18:32:21,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:21,076 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2024-11-10 18:32:21,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 states have internal predecessors, (76), 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 18:32:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2024-11-10 18:32:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 18:32:21,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:21,078 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:21,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 18:32:21,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:21,282 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:21,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:21,283 INFO L85 PathProgramCache]: Analyzing trace with hash 460796783, now seen corresponding path program 2 times [2024-11-10 18:32:21,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:21,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487773019] [2024-11-10 18:32:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:21,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-10 18:32:21,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:21,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487773019] [2024-11-10 18:32:21,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487773019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:21,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620560771] [2024-11-10 18:32:21,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:32:21,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:21,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:21,387 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 18:32:21,391 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 18:32:21,442 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:32:21,442 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:32:21,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:32:21,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-11-10 18:32:21,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-11-10 18:32:21,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620560771] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:21,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:21,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-10 18:32:21,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139075522] [2024-11-10 18:32:21,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:21,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:32:21,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:21,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:32:21,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:32:21,606 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 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 18:32:21,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:21,746 INFO L93 Difference]: Finished difference Result 137 states and 156 transitions. [2024-11-10 18:32:21,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 18:32:21,746 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 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 52 [2024-11-10 18:32:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:21,747 INFO L225 Difference]: With dead ends: 137 [2024-11-10 18:32:21,747 INFO L226 Difference]: Without dead ends: 136 [2024-11-10 18:32:21,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 99 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:32:21,748 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 64 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:21,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 75 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:21,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-10 18:32:21,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 56. [2024-11-10 18:32:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.0909090909090908) 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 18:32:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2024-11-10 18:32:21,751 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 52 [2024-11-10 18:32:21,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:21,751 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2024-11-10 18:32:21,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 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 18:32:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2024-11-10 18:32:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 18:32:21,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:32:21,752 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:21,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:32:21,952 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,SelfDestructingSolverStorable11 [2024-11-10 18:32:21,953 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:32:21,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:32:21,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1740646014, now seen corresponding path program 2 times [2024-11-10 18:32:21,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:32:21,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285994605] [2024-11-10 18:32:21,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:32:21,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:32:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:32:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:32:22,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:32:22,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285994605] [2024-11-10 18:32:22,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285994605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:32:22,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754159439] [2024-11-10 18:32:22,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:32:22,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:32:22,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:32:22,114 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 18:32:22,129 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 18:32:22,180 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:32:22,181 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:32:22,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:32:22,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:32:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-10 18:32:22,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:32:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-10 18:32:22,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754159439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:32:22,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:32:22,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2024-11-10 18:32:22,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305401149] [2024-11-10 18:32:22,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:32:22,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:32:22,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:32:22,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:32:22,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:32:22,331 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 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 18:32:22,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:32:22,538 INFO L93 Difference]: Finished difference Result 102 states and 111 transitions. [2024-11-10 18:32:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 18:32:22,539 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 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 55 [2024-11-10 18:32:22,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:32:22,539 INFO L225 Difference]: With dead ends: 102 [2024-11-10 18:32:22,539 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:32:22,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2024-11-10 18:32:22,540 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 47 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:32:22,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 127 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:32:22,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:32:22,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:32:22,541 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 18:32:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:32:22,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2024-11-10 18:32:22,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:32:22,541 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:32:22,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 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 18:32:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:32:22,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:32:22,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-10 18:32:22,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-10 18:32:22,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-10 18:32:22,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-10 18:32:22,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-10 18:32:22,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-10 18:32:22,561 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 18:32:22,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 18:32:22,748 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:32:22,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:32:22,995 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:32:23,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:32:23 BoogieIcfgContainer [2024-11-10 18:32:23,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:32:23,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:32:23,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:32:23,005 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:32:23,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:32:15" (3/4) ... [2024-11-10 18:32:23,007 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:32:23,014 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-10 18:32:23,014 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 18:32:23,014 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:32:23,014 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:32:23,014 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:32:23,083 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:32:23,083 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:32:23,083 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:32:23,084 INFO L158 Benchmark]: Toolchain (without parser) took 7802.69ms. Allocated memory was 159.4MB in the beginning and 297.8MB in the end (delta: 138.4MB). Free memory was 87.6MB in the beginning and 93.9MB in the end (delta: -6.3MB). Peak memory consumption was 132.4MB. Max. memory is 16.1GB. [2024-11-10 18:32:23,084 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 110.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:32:23,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.35ms. Allocated memory is still 159.4MB. Free memory was 87.4MB in the beginning and 74.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:32:23,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.10ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 130.0MB in the end (delta: -55.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-10 18:32:23,085 INFO L158 Benchmark]: Boogie Preprocessor took 48.56ms. Allocated memory is still 159.4MB. Free memory was 130.0MB in the beginning and 128.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:32:23,085 INFO L158 Benchmark]: IcfgBuilder took 268.32ms. Allocated memory is still 247.5MB. Free memory was 219.6MB in the beginning and 206.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 18:32:23,085 INFO L158 Benchmark]: TraceAbstraction took 7127.09ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 204.9MB in the beginning and 99.2MB in the end (delta: 105.8MB). Peak memory consumption was 156.1MB. Max. memory is 16.1GB. [2024-11-10 18:32:23,085 INFO L158 Benchmark]: Witness Printer took 78.69ms. Allocated memory is still 297.8MB. Free memory was 99.2MB in the beginning and 93.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:32:23,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 110.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.35ms. Allocated memory is still 159.4MB. Free memory was 87.4MB in the beginning and 74.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.10ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 130.0MB in the end (delta: -55.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.56ms. Allocated memory is still 159.4MB. Free memory was 130.0MB in the beginning and 128.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 268.32ms. Allocated memory is still 247.5MB. Free memory was 219.6MB in the beginning and 206.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7127.09ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 204.9MB in the beginning and 99.2MB in the end (delta: 105.8MB). Peak memory consumption was 156.1MB. Max. memory is 16.1GB. * Witness Printer took 78.69ms. Allocated memory is still 297.8MB. Free memory was 99.2MB in the beginning and 93.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: 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, 38 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 402 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 402 mSDsluCounter, 1364 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1099 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1762 IncrementalHoareTripleChecker+Invalid, 1845 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 265 mSDtfsCounter, 1762 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 689 GetRequests, 510 SyntacticMatches, 17 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=9, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 161 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 657 NumberOfCodeBlocks, 561 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 909 ConstructedInterpolants, 0 QuantifiedInterpolants, 2399 SizeOfPredicates, 13 NumberOfNonLiveVariables, 898 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 420/648 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 6 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: null - InvariantResult [Line: 44]: Location Invariant Derived location invariant: null - InvariantResult [Line: 35]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:32:23,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE