./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.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 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:47:53,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:47:53,125 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:47:53,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:47:53,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:47:53,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:47:53,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:47:53,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:47:53,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:47:53,167 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:47:53,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:47:53,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:47:53,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:47:53,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:47:53,170 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:47:53,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:47:53,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:47:53,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:47:53,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:47:53,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:47:53,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:47:53,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:47:53,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:47:53,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:47:53,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:47:53,174 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:47:53,174 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:47:53,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:47:53,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:47:53,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:47:53,176 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:47:53,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:47:53,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:47:53,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:47:53,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:47:53,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:47:53,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:47:53,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:47:53,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:47:53,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:47:53,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:47:53,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:47:53,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:47:53,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:47:53,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2024-11-10 18:47:53,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:47:53,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:47:53,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:47:53,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:47:53,473 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:47:53,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2024-11-10 18:47:54,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:47:55,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:47:55,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2024-11-10 18:47:55,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee98392ca/d44e818da11a45f2a67bdd5d6ab1c2fa/FLAGcd2030cb2 [2024-11-10 18:47:55,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee98392ca/d44e818da11a45f2a67bdd5d6ab1c2fa [2024-11-10 18:47:55,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:47:55,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:47:55,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:47:55,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:47:55,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:47:55,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:47:55" (1/1) ... [2024-11-10 18:47:55,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c744f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:55, skipping insertion in model container [2024-11-10 18:47:55,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:47:55" (1/1) ... [2024-11-10 18:47:55,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:47:56,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:47:56,059 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:47:56,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:47:56,157 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:47:56,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56 WrapperNode [2024-11-10 18:47:56,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:47:56,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:47:56,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:47:56,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:47:56,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,221 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 50 [2024-11-10 18:47:56,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:47:56,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:47:56,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:47:56,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:47:56,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,259 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-10 18:47:56,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:47:56,273 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:47:56,273 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:47:56,273 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:47:56,274 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (1/1) ... [2024-11-10 18:47:56,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:47:56,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:47:56,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:47:56,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:47:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-10 18:47:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-10 18:47:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 18:47:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:47:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 18:47:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 18:47:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 18:47:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 18:47:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:47:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 18:47:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 18:47:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:47:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:47:56,487 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:47:56,491 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:47:56,551 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L527: havoc #t~malloc12.base, #t~malloc12.offset; [2024-11-10 18:47:56,658 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-10 18:47:56,658 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:47:56,672 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:47:56,673 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:47:56,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:47:56 BoogieIcfgContainer [2024-11-10 18:47:56,673 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:47:56,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:47:56,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:47:56,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:47:56,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:47:55" (1/3) ... [2024-11-10 18:47:56,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728d2064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:47:56, skipping insertion in model container [2024-11-10 18:47:56,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:47:56" (2/3) ... [2024-11-10 18:47:56,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728d2064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:47:56, skipping insertion in model container [2024-11-10 18:47:56,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:47:56" (3/3) ... [2024-11-10 18:47:56,682 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_2.i [2024-11-10 18:47:56,699 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:47:56,700 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 18:47:56,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:47:56,781 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;@3b4026e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:47:56,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 18:47:56,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 33 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) [2024-11-10 18:47:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 18:47:56,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:47:56,795 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:47:56,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:47:56,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:47:56,803 INFO L85 PathProgramCache]: Analyzing trace with hash -728295806, now seen corresponding path program 1 times [2024-11-10 18:47:56,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:47:56,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515073149] [2024-11-10 18:47:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:56,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:47:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:57,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:47:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:57,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:47:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:47:57,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:47:57,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515073149] [2024-11-10 18:47:57,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515073149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:47:57,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:47:57,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:47:57,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667775597] [2024-11-10 18:47:57,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:47:57,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:47:57,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:47:57,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:47:57,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:47:57,355 INFO L87 Difference]: Start difference. First operand has 37 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 33 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) Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-10 18:47:57,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:47:57,520 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2024-11-10 18:47:57,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:47:57,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 19 [2024-11-10 18:47:57,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:47:57,530 INFO L225 Difference]: With dead ends: 61 [2024-11-10 18:47:57,530 INFO L226 Difference]: Without dead ends: 46 [2024-11-10 18:47:57,532 INFO L431 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 [2024-11-10 18:47:57,535 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 10 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:47:57,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 119 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:47:57,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-10 18:47:57,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2024-11-10 18:47:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.28125) internal successors, (41), 37 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:47:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2024-11-10 18:47:57,576 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 19 [2024-11-10 18:47:57,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:47:57,576 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2024-11-10 18:47:57,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-10 18:47:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2024-11-10 18:47:57,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 18:47:57,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:47:57,579 INFO L215 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] [2024-11-10 18:47:57,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:47:57,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:47:57,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:47:57,583 INFO L85 PathProgramCache]: Analyzing trace with hash -2002669386, now seen corresponding path program 1 times [2024-11-10 18:47:57,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:47:57,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471447459] [2024-11-10 18:47:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:57,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:47:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:57,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:47:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:57,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:47:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:47:57,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:47:57,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471447459] [2024-11-10 18:47:57,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471447459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:47:57,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:47:57,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:47:57,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360403011] [2024-11-10 18:47:57,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:47:57,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:47:57,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:47:57,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:47:57,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:47:57,787 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-10 18:47:57,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:47:57,841 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2024-11-10 18:47:57,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:47:57,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 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 25 [2024-11-10 18:47:57,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:47:57,844 INFO L225 Difference]: With dead ends: 64 [2024-11-10 18:47:57,844 INFO L226 Difference]: Without dead ends: 48 [2024-11-10 18:47:57,845 INFO L431 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 [2024-11-10 18:47:57,846 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:47:57,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 159 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:47:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-10 18:47:57,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-10 18:47:57,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 41 states have internal predecessors, (46), 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) [2024-11-10 18:47:57,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2024-11-10 18:47:57,858 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 25 [2024-11-10 18:47:57,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:47:57,859 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2024-11-10 18:47:57,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-10 18:47:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2024-11-10 18:47:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 18:47:57,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:47:57,861 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:47:57,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:47:57,862 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:47:57,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:47:57,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1873586667, now seen corresponding path program 1 times [2024-11-10 18:47:57,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:47:57,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489874350] [2024-11-10 18:47:57,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:57,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:47:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:57,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:47:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:47:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:47:58,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:47:58,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489874350] [2024-11-10 18:47:58,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489874350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:47:58,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:47:58,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:47:58,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321155770] [2024-11-10 18:47:58,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:47:58,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:47:58,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:47:58,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:47:58,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:47:58,009 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-10 18:47:58,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:47:58,076 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2024-11-10 18:47:58,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:47:58,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 [2024-11-10 18:47:58,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:47:58,077 INFO L225 Difference]: With dead ends: 58 [2024-11-10 18:47:58,077 INFO L226 Difference]: Without dead ends: 45 [2024-11-10 18:47:58,078 INFO L431 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 [2024-11-10 18:47:58,079 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:47:58,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 109 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:47:58,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-10 18:47:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2024-11-10 18:47:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.25) internal successors, (40), 37 states have internal predecessors, (40), 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) [2024-11-10 18:47:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2024-11-10 18:47:58,093 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 25 [2024-11-10 18:47:58,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:47:58,094 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2024-11-10 18:47:58,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-10 18:47:58,095 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2024-11-10 18:47:58,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 18:47:58,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:47:58,096 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:47:58,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:47:58,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:47:58,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:47:58,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1161940830, now seen corresponding path program 1 times [2024-11-10 18:47:58,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:47:58,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922239127] [2024-11-10 18:47:58,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:58,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:47:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:47:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:47:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:47:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,304 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:47:58,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:47:58,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922239127] [2024-11-10 18:47:58,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922239127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:47:58,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382589898] [2024-11-10 18:47:58,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:58,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:47:58,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:47:58,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:47:58,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:47:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:47:58,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:47:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:47:58,526 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:47:58,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382589898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:47:58,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:47:58,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-10 18:47:58,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682438330] [2024-11-10 18:47:58,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:47:58,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:47:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:47:58,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:47:58,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:47:58,531 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:47:58,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:47:58,586 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2024-11-10 18:47:58,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:47:58,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 31 [2024-11-10 18:47:58,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:47:58,592 INFO L225 Difference]: With dead ends: 44 [2024-11-10 18:47:58,592 INFO L226 Difference]: Without dead ends: 42 [2024-11-10 18:47:58,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:47:58,593 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 10 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:47:58,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 72 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:47:58,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-10 18:47:58,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2024-11-10 18:47:58,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 32 states have (on average 1.1875) internal successors, (38), 35 states have internal predecessors, (38), 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) [2024-11-10 18:47:58,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2024-11-10 18:47:58,606 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 31 [2024-11-10 18:47:58,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:47:58,606 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-11-10 18:47:58,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 18:47:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-11-10 18:47:58,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 18:47:58,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:47:58,608 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:47:58,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:47:58,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:47:58,815 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:47:58,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:47:58,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1660427360, now seen corresponding path program 1 times [2024-11-10 18:47:58,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:47:58,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751122676] [2024-11-10 18:47:58,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:47:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:47:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:47:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:47:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:47:58,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:47:58,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751122676] [2024-11-10 18:47:58,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751122676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:47:58,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125579408] [2024-11-10 18:47:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:58,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:47:58,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:47:58,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:47:58,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:47:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:47:59,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:47:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:47:59,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:47:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:47:59,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125579408] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:47:59,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:47:59,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-10 18:47:59,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421184557] [2024-11-10 18:47:59,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:47:59,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 18:47:59,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:47:59,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 18:47:59,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:47:59,213 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 13 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 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) [2024-11-10 18:47:59,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:47:59,321 INFO L93 Difference]: Finished difference Result 85 states and 104 transitions. [2024-11-10 18:47:59,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:47:59,322 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 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 32 [2024-11-10 18:47:59,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:47:59,324 INFO L225 Difference]: With dead ends: 85 [2024-11-10 18:47:59,325 INFO L226 Difference]: Without dead ends: 83 [2024-11-10 18:47:59,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:47:59,326 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:47:59,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 176 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:47:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-10 18:47:59,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 74. [2024-11-10 18:47:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 62 states have internal predecessors, (71), 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) [2024-11-10 18:47:59,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions. [2024-11-10 18:47:59,344 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 89 transitions. Word has length 32 [2024-11-10 18:47:59,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:47:59,345 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 89 transitions. [2024-11-10 18:47:59,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 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) [2024-11-10 18:47:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2024-11-10 18:47:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 18:47:59,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:47:59,346 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:47:59,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:47:59,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:47:59,547 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:47:59,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:47:59,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1240398321, now seen corresponding path program 1 times [2024-11-10 18:47:59,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:47:59,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354222513] [2024-11-10 18:47:59,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:59,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:47:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:47:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:47:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:47:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-10 18:47:59,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:47:59,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354222513] [2024-11-10 18:47:59,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354222513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:47:59,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:47:59,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:47:59,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675863053] [2024-11-10 18:47:59,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:47:59,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:47:59,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:47:59,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:47:59,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:47:59,615 INFO L87 Difference]: Start difference. First operand 74 states and 89 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-10 18:47:59,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:47:59,638 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2024-11-10 18:47:59,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:47:59,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 37 [2024-11-10 18:47:59,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:47:59,640 INFO L225 Difference]: With dead ends: 74 [2024-11-10 18:47:59,640 INFO L226 Difference]: Without dead ends: 73 [2024-11-10 18:47:59,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:47:59,641 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:47:59,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 79 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:47:59,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-10 18:47:59,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-10 18:47:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 62 states have (on average 1.1290322580645162) internal successors, (70), 61 states have internal predecessors, (70), 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) [2024-11-10 18:47:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2024-11-10 18:47:59,648 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 37 [2024-11-10 18:47:59,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:47:59,649 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2024-11-10 18:47:59,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-11-10 18:47:59,665 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2024-11-10 18:47:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 18:47:59,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:47:59,666 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:47:59,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:47:59,667 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:47:59,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:47:59,667 INFO L85 PathProgramCache]: Analyzing trace with hash -202357733, now seen corresponding path program 1 times [2024-11-10 18:47:59,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:47:59,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955530873] [2024-11-10 18:47:59,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:59,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:47:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:47:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:47:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:47:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,789 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:47:59,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:47:59,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955530873] [2024-11-10 18:47:59,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955530873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:47:59,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835497708] [2024-11-10 18:47:59,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:47:59,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:47:59,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:47:59,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:47:59,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:47:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:47:59,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:47:59,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:47:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:47:59,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:48:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 18:48:00,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835497708] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:48:00,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:48:00,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-11-10 18:48:00,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213824544] [2024-11-10 18:48:00,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:48:00,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 18:48:00,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:48:00,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 18:48:00,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-10 18:48:00,040 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 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) [2024-11-10 18:48:00,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:48:00,147 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2024-11-10 18:48:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 18:48:00,147 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 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 38 [2024-11-10 18:48:00,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:48:00,148 INFO L225 Difference]: With dead ends: 82 [2024-11-10 18:48:00,148 INFO L226 Difference]: Without dead ends: 63 [2024-11-10 18:48:00,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-10 18:48:00,149 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 5 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:48:00,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 151 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:48:00,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-10 18:48:00,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2024-11-10 18:48:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 48 states have internal predecessors, (50), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (12), 7 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-10 18:48:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2024-11-10 18:48:00,156 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 38 [2024-11-10 18:48:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:48:00,156 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2024-11-10 18:48:00,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 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) [2024-11-10 18:48:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2024-11-10 18:48:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 18:48:00,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:48:00,157 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:48:00,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:48:00,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:48:00,362 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:48:00,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:48:00,362 INFO L85 PathProgramCache]: Analyzing trace with hash 2085634124, now seen corresponding path program 2 times [2024-11-10 18:48:00,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:48:00,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145291503] [2024-11-10 18:48:00,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:48:00,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:48:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:00,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:48:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:00,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:48:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:48:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:00,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:48:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:00,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:48:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:00,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 18:48:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:48:00,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:48:00,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145291503] [2024-11-10 18:48:00,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145291503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:48:00,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092698027] [2024-11-10 18:48:00,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:48:00,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:48:00,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:48:00,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:48:00,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:48:00,784 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:48:00,785 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:48:00,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:48:00,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:48:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:48:00,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:48:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:48:01,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092698027] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:48:01,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:48:01,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2024-11-10 18:48:01,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603118071] [2024-11-10 18:48:01,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:48:01,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 18:48:01,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:48:01,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 18:48:01,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:48:01,117 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand has 25 states, 24 states have (on average 3.625) internal successors, (87), 24 states have internal predecessors, (87), 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) [2024-11-10 18:48:01,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:48:01,293 INFO L93 Difference]: Finished difference Result 137 states and 170 transitions. [2024-11-10 18:48:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 18:48:01,294 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.625) internal successors, (87), 24 states have internal predecessors, (87), 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 68 [2024-11-10 18:48:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:48:01,295 INFO L225 Difference]: With dead ends: 137 [2024-11-10 18:48:01,295 INFO L226 Difference]: Without dead ends: 117 [2024-11-10 18:48:01,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:48:01,296 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 41 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:48:01,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 128 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:48:01,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-10 18:48:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 105. [2024-11-10 18:48:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 89 states have (on average 1.0337078651685394) internal successors, (92), 90 states have internal predecessors, (92), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (24), 13 states have call predecessors, (24), 12 states have call successors, (24) [2024-11-10 18:48:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 128 transitions. [2024-11-10 18:48:01,307 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 128 transitions. Word has length 68 [2024-11-10 18:48:01,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:48:01,308 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 128 transitions. [2024-11-10 18:48:01,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.625) internal successors, (87), 24 states have internal predecessors, (87), 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) [2024-11-10 18:48:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2024-11-10 18:48:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-10 18:48:01,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:48:01,310 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:48:01,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 18:48:01,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:48:01,511 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:48:01,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:48:01,511 INFO L85 PathProgramCache]: Analyzing trace with hash 2066740772, now seen corresponding path program 3 times [2024-11-10 18:48:01,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:48:01,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851302539] [2024-11-10 18:48:01,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:48:01,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:48:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:48:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:48:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 18:48:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 18:48:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:48:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 18:48:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 18:48:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 18:48:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 18:48:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 18:48:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:48:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 18:48:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:48:02,496 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 356 proven. 74 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 18:48:02,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:48:02,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851302539] [2024-11-10 18:48:02,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851302539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:48:02,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483871804] [2024-11-10 18:48:02,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:48:02,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:48:02,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:48:02,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:48:02,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:48:02,617 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:48:02,618 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:48:02,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:48:02,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:48:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2024-11-10 18:48:02,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:48:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2024-11-10 18:48:02,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483871804] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:48:02,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:48:02,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 4, 4] total 30 [2024-11-10 18:48:02,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777456360] [2024-11-10 18:48:02,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:48:02,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-10 18:48:02,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:48:02,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-10 18:48:02,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2024-11-10 18:48:02,963 INFO L87 Difference]: Start difference. First operand 105 states and 128 transitions. Second operand has 30 states, 30 states have (on average 3.7666666666666666) internal successors, (113), 29 states have internal predecessors, (113), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-10 18:48:03,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:48:03,752 INFO L93 Difference]: Finished difference Result 114 states and 136 transitions. [2024-11-10 18:48:03,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-10 18:48:03,752 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.7666666666666666) internal successors, (113), 29 states have internal predecessors, (113), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) Word has length 140 [2024-11-10 18:48:03,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:48:03,753 INFO L225 Difference]: With dead ends: 114 [2024-11-10 18:48:03,753 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:48:03,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=590, Invalid=2602, Unknown=0, NotChecked=0, Total=3192 [2024-11-10 18:48:03,758 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 7 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:48:03,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 502 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:48:03,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:48:03,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:48:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:48:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:48:03,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2024-11-10 18:48:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:48:03,759 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:48:03,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.7666666666666666) internal successors, (113), 29 states have internal predecessors, (113), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-10 18:48:03,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:48:03,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:48:03,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-10 18:48:03,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-10 18:48:03,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-10 18:48:03,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-10 18:48:03,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-10 18:48:03,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-10 18:48:03,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:48:03,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:48:03,972 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-11-10 18:48:03,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:48:04,155 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:48:04,167 WARN L156 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-11-10 18:48:04,170 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-10 18:48:04,173 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 18:48:04,173 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 18:48:04,173 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-10 18:48:04,173 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-10 18:48:04,175 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-10 18:48:04,175 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-10 18:48:04,175 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-10 18:48:04,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:48:04 BoogieIcfgContainer [2024-11-10 18:48:04,179 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:48:04,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:48:04,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:48:04,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:48:04,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:47:56" (3/4) ... [2024-11-10 18:48:04,183 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:48:04,186 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-10 18:48:04,191 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-10 18:48:04,191 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:48:04,192 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:48:04,284 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:48:04,284 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:48:04,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:48:04,285 INFO L158 Benchmark]: Toolchain (without parser) took 8776.88ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 99.4MB in the beginning and 143.0MB in the end (delta: -43.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-10 18:48:04,285 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:48:04,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.58ms. Allocated memory is still 165.7MB. Free memory was 99.0MB in the beginning and 123.7MB in the end (delta: -24.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-10 18:48:04,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.47ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 121.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:48:04,286 INFO L158 Benchmark]: Boogie Preprocessor took 48.32ms. Allocated memory is still 165.7MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:48:04,286 INFO L158 Benchmark]: IcfgBuilder took 400.71ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 105.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:48:04,286 INFO L158 Benchmark]: TraceAbstraction took 7503.36ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 105.5MB in the beginning and 148.3MB in the end (delta: -42.7MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-10 18:48:04,286 INFO L158 Benchmark]: Witness Printer took 104.77ms. Allocated memory is still 239.1MB. Free memory was 148.3MB in the beginning and 143.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:48:04,288 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.58ms. Allocated memory is still 165.7MB. Free memory was 99.0MB in the beginning and 123.7MB in the end (delta: -24.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.47ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 121.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.32ms. Allocated memory is still 165.7MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 400.71ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 105.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7503.36ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 105.5MB in the beginning and 148.3MB in the end (delta: -42.7MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Witness Printer took 104.77ms. Allocated memory is still 239.1MB. Free memory was 148.3MB in the beginning and 143.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: 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, 37 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 9, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 1495 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1207 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1252 IncrementalHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 288 mSDtfsCounter, 1252 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 742 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=8, InterpolantAutomatonStates: 106, 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, 9 MinimizatonAttempts, 34 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 724 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 2494 SizeOfPredicates, 2 NumberOfNonLiveVariables, 925 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 2219/2663 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 774]: Location Invariant Derived location invariant: null - InvariantResult [Line: 767]: Location Invariant Derived location invariant: null - 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! [2024-11-10 18:48:04,320 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