./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/ldv-memsafety/memleaks_test17_3.i -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 38a2fba2a92db51b6a97ddc82d5dc9e2df7a8770315ef841bfaf5f0764404946 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:56:48,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:56:48,587 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 16:56:48,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:56:48,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:56:48,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:56:48,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:56:48,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:56:48,610 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:56:48,610 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:56:48,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:56:48,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:56:48,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:56:48,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:56:48,612 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:56:48,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:56:48,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 16:56:48,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:56:48,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:56:48,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:56:48,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:56:48,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 16:56:48,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:56:48,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 16:56:48,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:56:48,616 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 16:56:48,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:56:48,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:56:48,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 16:56:48,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:56:48,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:56:48,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:56:48,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:56:48,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:56:48,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:56:48,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:56:48,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:56:48,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 16:56:48,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:56:48,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:56:48,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:56:48,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:56:48,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:56:48,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:56:48,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38a2fba2a92db51b6a97ddc82d5dc9e2df7a8770315ef841bfaf5f0764404946 [2024-11-12 16:56:48,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:56:48,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:56:48,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:56:48,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:56:48,838 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:56:48,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2024-11-12 16:56:50,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:56:50,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:56:50,284 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2024-11-12 16:56:50,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7940ea83a/1128f594e6aa486cbcedfb9ef87cb78b/FLAG2d5399f43 [2024-11-12 16:56:50,307 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7940ea83a/1128f594e6aa486cbcedfb9ef87cb78b [2024-11-12 16:56:50,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:56:50,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:56:50,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:56:50,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:56:50,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:56:50,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7ae057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50, skipping insertion in model container [2024-11-12 16:56:50,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:56:50,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:56:50,717 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:56:50,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:56:50,787 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:56:50,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50 WrapperNode [2024-11-12 16:56:50,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:56:50,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:56:50,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:56:50,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:56:50,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,825 INFO L138 Inliner]: procedures = 165, calls = 76, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 71 [2024-11-12 16:56:50,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:56:50,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:56:50,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:56:50,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:56:50,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,850 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-11-12 16:56:50,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:56:50,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:56:50,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:56:50,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:56:50,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (1/1) ... [2024-11-12 16:56:50,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:56:50,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:50,892 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) [2024-11-12 16:56:50,894 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 [2024-11-12 16:56:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-12 16:56:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 16:56:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:56:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:56:51,034 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:56:51,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:56:51,154 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-12 16:56:51,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:56:51,170 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:56:51,171 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-12 16:56:51,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:56:51 BoogieIcfgContainer [2024-11-12 16:56:51,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:56:51,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:56:51,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:56:51,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:56:51,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:56:50" (1/3) ... [2024-11-12 16:56:51,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52be6897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:56:51, skipping insertion in model container [2024-11-12 16:56:51,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:56:50" (2/3) ... [2024-11-12 16:56:51,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52be6897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:56:51, skipping insertion in model container [2024-11-12 16:56:51,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:56:51" (3/3) ... [2024-11-12 16:56:51,187 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_3.i [2024-11-12 16:56:51,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:56:51,200 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-12 16:56:51,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:56:51,245 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;@7419084c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:56:51,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-12 16:56:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 38 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:51,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-12 16:56:51,252 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:51,253 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:51,253 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:51,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:51,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1952133915, now seen corresponding path program 1 times [2024-11-12 16:56:51,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:51,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262195552] [2024-11-12 16:56:51,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:51,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:56:51,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262195552] [2024-11-12 16:56:51,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262195552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:51,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:56:51,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:56:51,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872726765] [2024-11-12 16:56:51,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:51,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:56:51,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:51,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:56:51,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:51,569 INFO L87 Difference]: Start difference. First operand has 42 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 38 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:56:51,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:51,670 INFO L93 Difference]: Finished difference Result 81 states and 98 transitions. [2024-11-12 16:56:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:56:51,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-12 16:56:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:51,678 INFO L225 Difference]: With dead ends: 81 [2024-11-12 16:56:51,678 INFO L226 Difference]: Without dead ends: 41 [2024-11-12 16:56:51,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:51,682 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 4 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:51,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 163 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:56:51,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-12 16:56:51,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2024-11-12 16:56:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 35 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2024-11-12 16:56:51,707 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 12 [2024-11-12 16:56:51,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:51,707 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2024-11-12 16:56:51,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:56:51,707 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2024-11-12 16:56:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 16:56:51,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:51,708 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:51,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:56:51,708 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:51,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:51,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1628733857, now seen corresponding path program 1 times [2024-11-12 16:56:51,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:51,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459778134] [2024-11-12 16:56:51,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:51,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:51,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:56:51,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:51,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459778134] [2024-11-12 16:56:51,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459778134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:51,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562265973] [2024-11-12 16:56:51,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:51,845 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) [2024-11-12 16:56:51,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 16:56:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:51,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 16:56:51,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:56:51,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:56:51,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562265973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:51,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:56:51,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-12 16:56:51,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78358173] [2024-11-12 16:56:51,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:51,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:56:51,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:51,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:56:51,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:56:51,973 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:56:52,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:52,012 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-12 16:56:52,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:56:52,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-12 16:56:52,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:52,014 INFO L225 Difference]: With dead ends: 39 [2024-11-12 16:56:52,014 INFO L226 Difference]: Without dead ends: 38 [2024-11-12 16:56:52,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:56:52,016 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:52,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 93 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:56:52,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-12 16:56:52,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-12 16:56:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 34 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2024-11-12 16:56:52,024 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 16 [2024-11-12 16:56:52,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:52,024 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-11-12 16:56:52,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:56:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-11-12 16:56:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 16:56:52,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:52,026 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:52,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 16:56:52,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:52,230 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:52,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:52,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1048857928, now seen corresponding path program 1 times [2024-11-12 16:56:52,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:52,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095619902] [2024-11-12 16:56:52,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:52,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:52,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:56:52,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:52,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095619902] [2024-11-12 16:56:52,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095619902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:52,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507537073] [2024-11-12 16:56:52,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:52,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:52,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:52,327 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) [2024-11-12 16:56:52,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 16:56:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:52,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 16:56:52,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:56:52,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:56:52,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:56:52,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507537073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:56:52,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:56:52,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-12 16:56:52,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579748676] [2024-11-12 16:56:52,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:56:52,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 16:56:52,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:52,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 16:56:52,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-12 16:56:52,496 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:56:52,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:52,561 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2024-11-12 16:56:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 16:56:52,562 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-12 16:56:52,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:52,563 INFO L225 Difference]: With dead ends: 53 [2024-11-12 16:56:52,563 INFO L226 Difference]: Without dead ends: 52 [2024-11-12 16:56:52,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-12 16:56:52,566 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:52,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 160 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:56:52,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-12 16:56:52,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2024-11-12 16:56:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.35) internal successors, (54), 46 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2024-11-12 16:56:52,574 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 17 [2024-11-12 16:56:52,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:52,575 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2024-11-12 16:56:52,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:56:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2024-11-12 16:56:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-12 16:56:52,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:52,576 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:52,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 16:56:52,780 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,SelfDestructingSolverStorable2 [2024-11-12 16:56:52,781 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:52,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:52,781 INFO L85 PathProgramCache]: Analyzing trace with hash -328261460, now seen corresponding path program 1 times [2024-11-12 16:56:52,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:52,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170389778] [2024-11-12 16:56:52,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:52,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:52,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 16:56:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 16:56:52,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:52,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170389778] [2024-11-12 16:56:52,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170389778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:52,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:56:52,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:56:52,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223616880] [2024-11-12 16:56:52,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:52,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:56:52,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:52,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:56:52,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:52,861 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:52,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:52,917 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2024-11-12 16:56:52,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:56:52,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2024-11-12 16:56:52,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:52,918 INFO L225 Difference]: With dead ends: 76 [2024-11-12 16:56:52,918 INFO L226 Difference]: Without dead ends: 52 [2024-11-12 16:56:52,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:52,919 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 12 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:52,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 94 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:56:52,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-12 16:56:52,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2024-11-12 16:56:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.325) internal successors, (53), 46 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2024-11-12 16:56:52,925 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 20 [2024-11-12 16:56:52,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:52,927 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2024-11-12 16:56:52,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2024-11-12 16:56:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-12 16:56:52,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:52,928 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:52,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 16:56:52,928 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:52,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:52,929 INFO L85 PathProgramCache]: Analyzing trace with hash -483632792, now seen corresponding path program 1 times [2024-11-12 16:56:52,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:52,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329070980] [2024-11-12 16:56:52,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:52,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:52,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:52,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 16:56:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 16:56:53,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:53,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329070980] [2024-11-12 16:56:53,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329070980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:53,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:56:53,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 16:56:53,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184089547] [2024-11-12 16:56:53,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:53,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:56:53,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:53,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:56:53,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:56:53,030 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 16:56:53,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:53,061 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2024-11-12 16:56:53,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:56:53,061 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-12 16:56:53,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:53,062 INFO L225 Difference]: With dead ends: 64 [2024-11-12 16:56:53,062 INFO L226 Difference]: Without dead ends: 54 [2024-11-12 16:56:53,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:56:53,063 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 3 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:53,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 175 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:56:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-12 16:56:53,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-12 16:56:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.302325581395349) internal successors, (56), 49 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 16:56:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-12 16:56:53,071 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 24 [2024-11-12 16:56:53,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:53,072 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-12 16:56:53,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 16:56:53,072 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-12 16:56:53,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-12 16:56:53,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:53,075 INFO L218 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] [2024-11-12 16:56:53,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 16:56:53,076 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:53,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:53,076 INFO L85 PathProgramCache]: Analyzing trace with hash -455003641, now seen corresponding path program 1 times [2024-11-12 16:56:53,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:53,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805023842] [2024-11-12 16:56:53,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:53,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 16:56:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 16:56:53,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:53,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805023842] [2024-11-12 16:56:53,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805023842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:53,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:56:53,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:56:53,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561387920] [2024-11-12 16:56:53,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:53,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:56:53,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:53,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:56:53,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:56:53,120 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:53,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:53,152 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2024-11-12 16:56:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:56:53,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2024-11-12 16:56:53,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:53,153 INFO L225 Difference]: With dead ends: 65 [2024-11-12 16:56:53,154 INFO L226 Difference]: Without dead ends: 63 [2024-11-12 16:56:53,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:56:53,155 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:53,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 92 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:56:53,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-12 16:56:53,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2024-11-12 16:56:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 54 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 16:56:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2024-11-12 16:56:53,166 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 24 [2024-11-12 16:56:53,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:53,166 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2024-11-12 16:56:53,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2024-11-12 16:56:53,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 16:56:53,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:53,167 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:53,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 16:56:53,167 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:53,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:53,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2107713003, now seen corresponding path program 1 times [2024-11-12 16:56:53,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:53,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217108163] [2024-11-12 16:56:53,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:53,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 16:56:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 16:56:53,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:53,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217108163] [2024-11-12 16:56:53,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217108163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:53,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:56:53,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:56:53,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898193884] [2024-11-12 16:56:53,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:53,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:56:53,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:53,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:56:53,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:53,230 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:53,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:53,270 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2024-11-12 16:56:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:56:53,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2024-11-12 16:56:53,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:53,271 INFO L225 Difference]: With dead ends: 67 [2024-11-12 16:56:53,271 INFO L226 Difference]: Without dead ends: 65 [2024-11-12 16:56:53,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:53,272 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 6 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:53,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 117 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:56:53,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-12 16:56:53,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-12 16:56:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 58 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 16:56:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2024-11-12 16:56:53,277 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 25 [2024-11-12 16:56:53,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:53,277 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2024-11-12 16:56:53,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2024-11-12 16:56:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-12 16:56:53,278 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:53,278 INFO L218 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] [2024-11-12 16:56:53,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 16:56:53,278 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:53,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:53,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1300608145, now seen corresponding path program 1 times [2024-11-12 16:56:53,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:53,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521871261] [2024-11-12 16:56:53,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:53,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 16:56:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 16:56:53,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:53,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521871261] [2024-11-12 16:56:53,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521871261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:53,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:56:53,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:56:53,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965139777] [2024-11-12 16:56:53,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:53,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:56:53,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:53,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:56:53,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:53,322 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:53,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:53,352 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2024-11-12 16:56:53,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:56:53,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2024-11-12 16:56:53,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:53,353 INFO L225 Difference]: With dead ends: 72 [2024-11-12 16:56:53,353 INFO L226 Difference]: Without dead ends: 63 [2024-11-12 16:56:53,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:53,353 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 4 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:53,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 123 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:56:53,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-12 16:56:53,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2024-11-12 16:56:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 55 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 16:56:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 71 transitions. [2024-11-12 16:56:53,358 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 71 transitions. Word has length 28 [2024-11-12 16:56:53,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:53,358 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 71 transitions. [2024-11-12 16:56:53,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 16:56:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2024-11-12 16:56:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-12 16:56:53,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:53,359 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:53,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 16:56:53,359 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:53,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:53,359 INFO L85 PathProgramCache]: Analyzing trace with hash -888516860, now seen corresponding path program 2 times [2024-11-12 16:56:53,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:53,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726941038] [2024-11-12 16:56:53,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:53,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:56:53,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:53,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726941038] [2024-11-12 16:56:53,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726941038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:53,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292408412] [2024-11-12 16:56:53,532 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:56:53,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:53,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:53,533 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) [2024-11-12 16:56:53,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 16:56:53,602 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 16:56:53,603 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:56:53,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 16:56:53,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 16:56:53,667 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:56:53,731 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-12 16:56:53,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292408412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:56:53,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:56:53,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 18 [2024-11-12 16:56:53,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237146933] [2024-11-12 16:56:53,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:56:53,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 16:56:53,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:53,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 16:56:53,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-12 16:56:53,733 INFO L87 Difference]: Start difference. First operand 61 states and 71 transitions. Second operand has 19 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 18 states have internal predecessors, (50), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 16:56:53,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:53,905 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2024-11-12 16:56:53,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 16:56:53,905 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 18 states have internal predecessors, (50), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 29 [2024-11-12 16:56:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:53,906 INFO L225 Difference]: With dead ends: 66 [2024-11-12 16:56:53,906 INFO L226 Difference]: Without dead ends: 65 [2024-11-12 16:56:53,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2024-11-12 16:56:53,907 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 15 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:53,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 305 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:56:53,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-12 16:56:53,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 45. [2024-11-12 16:56:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 39 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 16:56:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2024-11-12 16:56:53,913 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 29 [2024-11-12 16:56:53,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:53,913 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2024-11-12 16:56:53,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 18 states have internal predecessors, (50), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 16:56:53,913 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2024-11-12 16:56:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-12 16:56:53,914 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:53,914 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:53,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-12 16:56:54,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:54,114 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:54,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1516558058, now seen corresponding path program 1 times [2024-11-12 16:56:54,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:54,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094818375] [2024-11-12 16:56:54,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:54,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 16:56:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 16:56:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-12 16:56:54,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:54,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094818375] [2024-11-12 16:56:54,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094818375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:54,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375708357] [2024-11-12 16:56:54,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:54,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:54,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:54,174 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) [2024-11-12 16:56:54,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 16:56:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 16:56:54,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 16:56:54,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:56:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-12 16:56:54,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375708357] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:56:54,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:56:54,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-12 16:56:54,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829621044] [2024-11-12 16:56:54,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:56:54,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 16:56:54,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:54,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 16:56:54,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-12 16:56:54,367 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 6 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-12 16:56:54,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:54,497 INFO L93 Difference]: Finished difference Result 97 states and 115 transitions. [2024-11-12 16:56:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 16:56:54,497 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 6 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 35 [2024-11-12 16:56:54,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:54,498 INFO L225 Difference]: With dead ends: 97 [2024-11-12 16:56:54,498 INFO L226 Difference]: Without dead ends: 62 [2024-11-12 16:56:54,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-12 16:56:54,499 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 17 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:54,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 295 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:56:54,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-12 16:56:54,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2024-11-12 16:56:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 51 states have internal predecessors, (56), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-12 16:56:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2024-11-12 16:56:54,503 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 35 [2024-11-12 16:56:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:54,504 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2024-11-12 16:56:54,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 6 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-12 16:56:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2024-11-12 16:56:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 16:56:54,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:54,505 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:54,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 16:56:54,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:54,709 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:54,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:54,710 INFO L85 PathProgramCache]: Analyzing trace with hash -341732086, now seen corresponding path program 1 times [2024-11-12 16:56:54,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:54,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623084762] [2024-11-12 16:56:54,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:54,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 16:56:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 16:56:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 16:56:54,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:54,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623084762] [2024-11-12 16:56:54,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623084762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:54,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997028063] [2024-11-12 16:56:54,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:54,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:54,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:54,863 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) [2024-11-12 16:56:54,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 16:56:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:54,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 16:56:54,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 16:56:55,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:56:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 16:56:55,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997028063] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:56:55,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:56:55,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2024-11-12 16:56:55,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056095628] [2024-11-12 16:56:55,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:56:55,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-12 16:56:55,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:55,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-12 16:56:55,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-11-12 16:56:55,171 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 16:56:55,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:55,309 INFO L93 Difference]: Finished difference Result 114 states and 135 transitions. [2024-11-12 16:56:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 16:56:55,310 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2024-11-12 16:56:55,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:55,310 INFO L225 Difference]: With dead ends: 114 [2024-11-12 16:56:55,310 INFO L226 Difference]: Without dead ends: 74 [2024-11-12 16:56:55,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2024-11-12 16:56:55,311 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 23 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:55,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 201 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:56:55,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-12 16:56:55,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-12 16:56:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 67 states have internal predecessors, (72), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-12 16:56:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2024-11-12 16:56:55,316 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 44 [2024-11-12 16:56:55,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:55,316 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2024-11-12 16:56:55,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 16:56:55,316 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2024-11-12 16:56:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-12 16:56:55,317 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:55,317 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:55,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 16:56:55,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-12 16:56:55,518 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:55,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:55,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2040542202, now seen corresponding path program 2 times [2024-11-12 16:56:55,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:55,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435798270] [2024-11-12 16:56:55,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:55,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:55,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:55,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 16:56:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 16:56:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 16:56:55,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:55,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435798270] [2024-11-12 16:56:55,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435798270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:55,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690314206] [2024-11-12 16:56:55,772 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:56:55,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:55,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:55,773 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) [2024-11-12 16:56:55,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 16:56:55,857 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 16:56:55,857 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:56:55,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 16:56:55,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 8 proven. 91 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 16:56:56,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:56:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 16:56:56,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690314206] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:56:56,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:56:56,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 39 [2024-11-12 16:56:56,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298717767] [2024-11-12 16:56:56,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:56:56,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-12 16:56:56,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:56,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-12 16:56:56,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1135, Unknown=0, NotChecked=0, Total=1482 [2024-11-12 16:56:56,315 INFO L87 Difference]: Start difference. First operand 74 states and 84 transitions. Second operand has 39 states, 39 states have (on average 2.3076923076923075) internal successors, (90), 38 states have internal predecessors, (90), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 16:56:56,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:56,464 INFO L93 Difference]: Finished difference Result 126 states and 146 transitions. [2024-11-12 16:56:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-12 16:56:56,464 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 2.3076923076923075) internal successors, (90), 38 states have internal predecessors, (90), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 60 [2024-11-12 16:56:56,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:56,465 INFO L225 Difference]: With dead ends: 126 [2024-11-12 16:56:56,465 INFO L226 Difference]: Without dead ends: 86 [2024-11-12 16:56:56,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 94 SyntacticMatches, 11 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=405, Invalid=1401, Unknown=0, NotChecked=0, Total=1806 [2024-11-12 16:56:56,466 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 19 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:56,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 292 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:56:56,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-12 16:56:56,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-12 16:56:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 74 states have (on average 1.135135135135135) internal successors, (84), 79 states have internal predecessors, (84), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-12 16:56:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2024-11-12 16:56:56,475 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 60 [2024-11-12 16:56:56,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:56,475 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2024-11-12 16:56:56,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.3076923076923075) internal successors, (90), 38 states have internal predecessors, (90), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-12 16:56:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2024-11-12 16:56:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-12 16:56:56,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:56,480 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:56,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 16:56:56,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:56,680 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:56,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:56,681 INFO L85 PathProgramCache]: Analyzing trace with hash 834101294, now seen corresponding path program 3 times [2024-11-12 16:56:56,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:56,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929791241] [2024-11-12 16:56:56,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:56,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:56,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:56,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 16:56:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:56,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 16:56:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:56,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:56,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929791241] [2024-11-12 16:56:56,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929791241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:56,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605870719] [2024-11-12 16:56:56,798 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 16:56:56,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:56,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:56,800 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) [2024-11-12 16:56:56,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 16:56:56,883 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-12 16:56:56,883 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:56:56,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 16:56:56,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:56,915 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:56:56,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605870719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:56,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:56:56,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-12 16:56:56,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019148096] [2024-11-12 16:56:56,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:56,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:56:56,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:56,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:56:56,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 16:56:56,917 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 16:56:56,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:56,935 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2024-11-12 16:56:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:56:56,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 72 [2024-11-12 16:56:56,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:56,936 INFO L225 Difference]: With dead ends: 86 [2024-11-12 16:56:56,936 INFO L226 Difference]: Without dead ends: 85 [2024-11-12 16:56:56,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 16:56:56,937 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:56,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 73 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:56:56,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-12 16:56:56,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-12 16:56:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 78 states have internal predecessors, (83), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-12 16:56:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2024-11-12 16:56:56,943 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 72 [2024-11-12 16:56:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:56,943 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2024-11-12 16:56:56,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 16:56:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2024-11-12 16:56:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-12 16:56:56,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:56,944 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:56,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 16:56:57,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:57,149 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:57,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:57,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1721603405, now seen corresponding path program 1 times [2024-11-12 16:56:57,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:57,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144508840] [2024-11-12 16:56:57,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:57,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 16:56:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 16:56:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:57,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:57,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144508840] [2024-11-12 16:56:57,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144508840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:57,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965271080] [2024-11-12 16:56:57,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:57,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:57,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:57,256 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) [2024-11-12 16:56:57,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 16:56:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:56:57,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:57,381 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:56:57,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965271080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:57,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:56:57,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-12 16:56:57,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721515163] [2024-11-12 16:56:57,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:57,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:56:57,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:57,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:56:57,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 16:56:57,382 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 16:56:57,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:57,393 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2024-11-12 16:56:57,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:56:57,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 72 [2024-11-12 16:56:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:57,394 INFO L225 Difference]: With dead ends: 85 [2024-11-12 16:56:57,394 INFO L226 Difference]: Without dead ends: 84 [2024-11-12 16:56:57,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 16:56:57,394 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:57,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:56:57,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-12 16:56:57,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-12 16:56:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 74 states have (on average 1.1081081081081081) internal successors, (82), 77 states have internal predecessors, (82), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-12 16:56:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2024-11-12 16:56:57,398 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 72 [2024-11-12 16:56:57,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:57,399 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2024-11-12 16:56:57,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 16:56:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2024-11-12 16:56:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-12 16:56:57,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:57,399 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:57,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 16:56:57,599 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,SelfDestructingSolverStorable13 [2024-11-12 16:56:57,601 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:57,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:57,601 INFO L85 PathProgramCache]: Analyzing trace with hash 87336420, now seen corresponding path program 1 times [2024-11-12 16:56:57,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:57,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815600294] [2024-11-12 16:56:57,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:57,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 16:56:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 16:56:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:57,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:57,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815600294] [2024-11-12 16:56:57,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815600294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:57,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3674129] [2024-11-12 16:56:57,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:57,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:57,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:57,719 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) [2024-11-12 16:56:57,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 16:56:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:57,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 16:56:57,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:57,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:56:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:57,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3674129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:56:57,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:56:57,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-12 16:56:57,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234336932] [2024-11-12 16:56:57,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:56:57,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 16:56:57,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:57,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 16:56:57,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-12 16:56:57,935 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:56:57,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:57,996 INFO L93 Difference]: Finished difference Result 113 states and 133 transitions. [2024-11-12 16:56:57,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 16:56:57,997 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 73 [2024-11-12 16:56:57,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:57,997 INFO L225 Difference]: With dead ends: 113 [2024-11-12 16:56:57,997 INFO L226 Difference]: Without dead ends: 112 [2024-11-12 16:56:57,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-12 16:56:57,998 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 15 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:57,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 163 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:56:57,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-12 16:56:58,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2024-11-12 16:56:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.105263157894737) internal successors, (105), 95 states have internal predecessors, (105), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (12), 10 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-12 16:56:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2024-11-12 16:56:58,003 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 73 [2024-11-12 16:56:58,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:58,003 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2024-11-12 16:56:58,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:56:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2024-11-12 16:56:58,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-12 16:56:58,003 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:58,003 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:58,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 16:56:58,206 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,SelfDestructingSolverStorable14 [2024-11-12 16:56:58,207 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:58,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:58,207 INFO L85 PathProgramCache]: Analyzing trace with hash 2082655192, now seen corresponding path program 1 times [2024-11-12 16:56:58,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:58,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933374491] [2024-11-12 16:56:58,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:58,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:58,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:58,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 16:56:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:58,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 16:56:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:58,264 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-12 16:56:58,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:58,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933374491] [2024-11-12 16:56:58,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933374491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:58,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:56:58,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:56:58,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179131593] [2024-11-12 16:56:58,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:58,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:56:58,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:58,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:56:58,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:58,265 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 16:56:58,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:58,284 INFO L93 Difference]: Finished difference Result 107 states and 123 transitions. [2024-11-12 16:56:58,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:56:58,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 75 [2024-11-12 16:56:58,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:58,285 INFO L225 Difference]: With dead ends: 107 [2024-11-12 16:56:58,285 INFO L226 Difference]: Without dead ends: 106 [2024-11-12 16:56:58,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:56:58,285 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:58,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 115 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:56:58,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-12 16:56:58,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-12 16:56:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 95 states have (on average 1.0947368421052632) internal successors, (104), 94 states have internal predecessors, (104), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (12), 10 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-12 16:56:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2024-11-12 16:56:58,290 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 75 [2024-11-12 16:56:58,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:58,290 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2024-11-12 16:56:58,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 16:56:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2024-11-12 16:56:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-12 16:56:58,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:58,291 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 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] [2024-11-12 16:56:58,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 16:56:58,291 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:58,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:58,291 INFO L85 PathProgramCache]: Analyzing trace with hash 137801617, now seen corresponding path program 1 times [2024-11-12 16:56:58,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:58,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708001320] [2024-11-12 16:56:58,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:58,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:58,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:58,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 16:56:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:58,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 16:56:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:58,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:58,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708001320] [2024-11-12 16:56:58,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708001320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:58,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623235453] [2024-11-12 16:56:58,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:58,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:58,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:58,384 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:56:58,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 16:56:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:58,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 16:56:58,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:58,563 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:56:58,624 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-12 16:56:58,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623235453] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:56:58,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:56:58,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-11-12 16:56:58,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432395916] [2024-11-12 16:56:58,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:56:58,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 16:56:58,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:58,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 16:56:58,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-12 16:56:58,626 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:56:58,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:58,703 INFO L93 Difference]: Finished difference Result 111 states and 128 transitions. [2024-11-12 16:56:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 16:56:58,703 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 76 [2024-11-12 16:56:58,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:58,704 INFO L225 Difference]: With dead ends: 111 [2024-11-12 16:56:58,704 INFO L226 Difference]: Without dead ends: 99 [2024-11-12 16:56:58,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-12 16:56:58,705 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 6 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:58,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 198 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:56:58,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-12 16:56:58,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2024-11-12 16:56:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 87 states have (on average 1.0689655172413792) internal successors, (93), 86 states have internal predecessors, (93), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (12), 9 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-12 16:56:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 111 transitions. [2024-11-12 16:56:58,709 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 111 transitions. Word has length 76 [2024-11-12 16:56:58,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:58,709 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 111 transitions. [2024-11-12 16:56:58,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:56:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions. [2024-11-12 16:56:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-12 16:56:58,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:58,709 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:58,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-12 16:56:58,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 16:56:58,910 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:58,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:58,911 INFO L85 PathProgramCache]: Analyzing trace with hash -73182781, now seen corresponding path program 2 times [2024-11-12 16:56:58,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:58,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991290989] [2024-11-12 16:56:58,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:58,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 16:56:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 16:56:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 16:56:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-12 16:56:59,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:59,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991290989] [2024-11-12 16:56:59,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991290989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:59,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040923621] [2024-11-12 16:56:59,031 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:56:59,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:59,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:59,033 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:56:59,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 16:56:59,158 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 16:56:59,158 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:56:59,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 16:56:59,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-12 16:56:59,191 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:56:59,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040923621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:56:59,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:56:59,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2024-11-12 16:56:59,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802037125] [2024-11-12 16:56:59,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:56:59,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 16:56:59,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:59,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 16:56:59,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-12 16:56:59,193 INFO L87 Difference]: Start difference. First operand 97 states and 111 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 16:56:59,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:56:59,220 INFO L93 Difference]: Finished difference Result 97 states and 111 transitions. [2024-11-12 16:56:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 16:56:59,221 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2024-11-12 16:56:59,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:56:59,221 INFO L225 Difference]: With dead ends: 97 [2024-11-12 16:56:59,221 INFO L226 Difference]: Without dead ends: 95 [2024-11-12 16:56:59,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-12 16:56:59,222 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:56:59,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 89 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:56:59,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-12 16:56:59,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-12 16:56:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.0379746835443038) internal successors, (82), 79 states have internal predecessors, (82), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:56:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 94 transitions. [2024-11-12 16:56:59,226 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 94 transitions. Word has length 82 [2024-11-12 16:56:59,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:56:59,226 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 94 transitions. [2024-11-12 16:56:59,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 16:56:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2024-11-12 16:56:59,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-12 16:56:59,227 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:56:59,227 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:56:59,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-12 16:56:59,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 16:56:59,428 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:56:59,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:56:59,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2120790201, now seen corresponding path program 2 times [2024-11-12 16:56:59,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:56:59,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583060601] [2024-11-12 16:56:59,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:56:59,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:56:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:56:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 16:56:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 16:56:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 16:56:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 16:56:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 16:56:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:56:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-12 16:56:59,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:56:59,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583060601] [2024-11-12 16:56:59,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583060601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:56:59,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085315320] [2024-11-12 16:56:59,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:56:59,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:56:59,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:56:59,626 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:56:59,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 16:56:59,769 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 16:56:59,769 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:56:59,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 16:56:59,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:56:59,819 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-12 16:56:59,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:56:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-12 16:56:59,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085315320] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:56:59,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:56:59,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2024-11-12 16:56:59,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261443800] [2024-11-12 16:56:59,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:56:59,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-12 16:56:59,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:56:59,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-12 16:56:59,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-12 16:56:59,951 INFO L87 Difference]: Start difference. First operand 87 states and 94 transitions. Second operand has 25 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 24 states have internal predecessors, (82), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 16:57:00,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:57:00,065 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2024-11-12 16:57:00,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-12 16:57:00,065 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 24 states have internal predecessors, (82), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 106 [2024-11-12 16:57:00,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:57:00,066 INFO L225 Difference]: With dead ends: 132 [2024-11-12 16:57:00,066 INFO L226 Difference]: Without dead ends: 131 [2024-11-12 16:57:00,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-12 16:57:00,067 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:57:00,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 180 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:57:00,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-12 16:57:00,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2024-11-12 16:57:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 115 states have (on average 1.0260869565217392) internal successors, (118), 115 states have internal predecessors, (118), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 16:57:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 142 transitions. [2024-11-12 16:57:00,074 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 142 transitions. Word has length 106 [2024-11-12 16:57:00,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:57:00,075 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 142 transitions. [2024-11-12 16:57:00,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 24 states have internal predecessors, (82), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 16:57:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2024-11-12 16:57:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-12 16:57:00,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:57:00,077 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:57:00,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-12 16:57:00,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:57:00,282 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 16:57:00,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:57:00,282 INFO L85 PathProgramCache]: Analyzing trace with hash -674130407, now seen corresponding path program 3 times [2024-11-12 16:57:00,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:57:00,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091050137] [2024-11-12 16:57:00,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:57:00,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:57:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:57:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-12 16:57:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 16:57:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 16:57:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 16:57:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 16:57:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 16:57:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 16:57:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-12 16:57:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 16:57:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 16:57:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 16:57:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:57:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 321 proven. 64 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-11-12 16:57:00,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:57:00,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091050137] [2024-11-12 16:57:00,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091050137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:57:00,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692202002] [2024-11-12 16:57:00,934 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 16:57:00,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:57:00,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:57:00,936 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:57:00,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 16:57:01,106 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-12 16:57:01,106 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:57:01,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 16:57:01,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:57:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 779 trivial. 0 not checked. [2024-11-12 16:57:01,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:57:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 779 trivial. 0 not checked. [2024-11-12 16:57:01,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692202002] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:57:01,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:57:01,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 32 [2024-11-12 16:57:01,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822297921] [2024-11-12 16:57:01,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:57:01,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-12 16:57:01,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:57:01,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-12 16:57:01,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2024-11-12 16:57:01,474 INFO L87 Difference]: Start difference. First operand 129 states and 142 transitions. Second operand has 32 states, 32 states have (on average 3.5625) internal successors, (114), 31 states have internal predecessors, (114), 17 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 16:57:01,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:57:01,996 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2024-11-12 16:57:01,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-12 16:57:01,997 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.5625) internal successors, (114), 31 states have internal predecessors, (114), 17 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Word has length 172 [2024-11-12 16:57:01,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:57:01,997 INFO L225 Difference]: With dead ends: 136 [2024-11-12 16:57:01,997 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 16:57:01,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=595, Invalid=2827, Unknown=0, NotChecked=0, Total=3422 [2024-11-12 16:57:01,999 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 3 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 16:57:01,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 551 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 16:57:01,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 16:57:01,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 16:57:01,999 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) [2024-11-12 16:57:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 16:57:01,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2024-11-12 16:57:02,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:57:02,000 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 16:57:02,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.5625) internal successors, (114), 31 states have internal predecessors, (114), 17 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 16:57:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 16:57:02,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 16:57:02,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-12 16:57:02,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-12 16:57:02,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-12 16:57:02,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-12 16:57:02,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-12 16:57:02,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-12 16:57:02,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-12 16:57:02,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-12 16:57:02,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 16:57:02,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-12 16:57:02,207 INFO L421 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:57:02,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-12 16:57:02,426 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 16:57:02,439 WARN L156 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-11-12 16:57:02,444 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-12 16:57:02,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-12 16:57:02,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-12 16:57:02,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-12 16:57:02,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-12 16:57:02,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-12 16:57:02,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-12 16:57:02,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-12 16:57:02,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:57:02 BoogieIcfgContainer [2024-11-12 16:57:02,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 16:57:02,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 16:57:02,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 16:57:02,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 16:57:02,449 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:56:51" (3/4) ... [2024-11-12 16:57:02,451 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 16:57:02,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-12 16:57:02,456 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-12 16:57:02,456 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 16:57:02,456 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 16:57:02,533 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 16:57:02,533 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 16:57:02,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 16:57:02,534 INFO L158 Benchmark]: Toolchain (without parser) took 12224.42ms. Allocated memory was 130.0MB in the beginning and 293.6MB in the end (delta: 163.6MB). Free memory was 57.9MB in the beginning and 95.5MB in the end (delta: -37.6MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. [2024-11-12 16:57:02,534 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:57:02,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.18ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 124.1MB in the end (delta: -66.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-12 16:57:02,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.67ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 122.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:57:02,534 INFO L158 Benchmark]: Boogie Preprocessor took 33.67ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 118.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:57:02,534 INFO L158 Benchmark]: RCFGBuilder took 308.69ms. Allocated memory is still 165.7MB. Free memory was 118.8MB in the beginning and 103.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 16:57:02,535 INFO L158 Benchmark]: TraceAbstraction took 11272.30ms. Allocated memory was 165.7MB in the beginning and 293.6MB in the end (delta: 127.9MB). Free memory was 103.1MB in the beginning and 100.8MB in the end (delta: 2.3MB). Peak memory consumption was 129.2MB. Max. memory is 16.1GB. [2024-11-12 16:57:02,535 INFO L158 Benchmark]: Witness Printer took 84.66ms. Allocated memory is still 293.6MB. Free memory was 100.8MB in the beginning and 95.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 16:57:02,536 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.18ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 124.1MB in the end (delta: -66.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.67ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 122.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.67ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 118.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.69ms. Allocated memory is still 165.7MB. Free memory was 118.8MB in the beginning and 103.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11272.30ms. Allocated memory was 165.7MB in the beginning and 293.6MB in the end (delta: 127.9MB). Free memory was 103.1MB in the beginning and 100.8MB in the end (delta: 2.3MB). Peak memory consumption was 129.2MB. Max. memory is 16.1GB. * Witness Printer took 84.66ms. Allocated memory is still 293.6MB. Free memory was 100.8MB in the beginning and 95.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID * 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: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 20, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 3532 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2875 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2043 IncrementalHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 657 mSDtfsCounter, 2043 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1754 GetRequests, 1464 SyntacticMatches, 11 SemanticMatches, 279 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2745 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=19, InterpolantAutomatonStates: 214, 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, 20 MinimizatonAttempts, 52 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1916 NumberOfCodeBlocks, 1733 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 2486 ConstructedInterpolants, 0 QuantifiedInterpolants, 5284 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3377 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 42 InterpolantComputations, 11 PerfectInterpolantSequences, 6002/6853 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 8 specifications checked. All of them hold - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (j < 2147483649) - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (((((len <= 10) && (2 <= i)) && (i <= 2147483646)) || ((len <= 10) && (i == 1))) || ((len <= 10) && (i == 0))) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: ((((10 == len) && (1 <= i)) && (i <= 2147483646)) || ((10 == len) && (i == 0))) - ProcedureContractResult [Line: 525]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Ensures: (ldv_global_msg_list == \old(ldv_global_msg_list)) RESULT: Ultimate proved your program to be correct! [2024-11-12 16:57:02,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE