./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-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 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:41:42,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:41:42,360 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 16:41:42,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:41:42,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:41:42,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:41:42,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:41:42,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:41:42,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:41:42,386 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:41:42,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:41:42,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:41:42,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:41:42,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:41:42,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:41:42,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:41:42,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 16:41:42,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:41:42,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:41:42,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:41:42,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:41:42,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 16:41:42,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:41:42,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 16:41:42,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:41:42,395 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 16:41:42,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:41:42,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:41:42,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 16:41:42,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:41:42,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:41:42,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:41:42,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:41:42,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:41:42,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:41:42,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:41:42,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:41:42,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 16:41:42,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:41:42,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:41:42,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:41:42,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:41:42,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:41:42,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:41:42,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 [2024-11-12 16:41:42,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:41:42,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:41:42,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:41:42,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:41:42,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:41:42,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2024-11-12 16:41:43,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:41:44,058 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:41:44,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2024-11-12 16:41:44,072 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac9d44e0c/e249379ecb114429b414f359fd3e8251/FLAG1a74b7902 [2024-11-12 16:41:44,425 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac9d44e0c/e249379ecb114429b414f359fd3e8251 [2024-11-12 16:41:44,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:41:44,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:41:44,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:41:44,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:41:44,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:41:44,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284237c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44, skipping insertion in model container [2024-11-12 16:41:44,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:41:44,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:41:44,691 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:41:44,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:41:44,741 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:41:44,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44 WrapperNode [2024-11-12 16:41:44,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:41:44,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:41:44,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:41:44,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:41:44,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,779 INFO L138 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2024-11-12 16:41:44,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:41:44,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:41:44,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:41:44,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:41:44,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,799 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 5 writes are split as follows [2, 3]. [2024-11-12 16:41:44,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:41:44,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:41:44,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:41:44,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:41:44,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (1/1) ... [2024-11-12 16:41:44,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:41:44,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:41:44,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 16:41:44,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 16:41:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 16:41:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 16:41:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 16:41:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 16:41:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 16:41:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 16:41:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:41:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:41:44,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:41:44,996 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:41:45,184 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-12 16:41:45,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:41:45,194 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:41:45,195 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 16:41:45,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:41:45 BoogieIcfgContainer [2024-11-12 16:41:45,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:41:45,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:41:45,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:41:45,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:41:45,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:41:44" (1/3) ... [2024-11-12 16:41:45,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783c8e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:41:45, skipping insertion in model container [2024-11-12 16:41:45,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:41:44" (2/3) ... [2024-11-12 16:41:45,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783c8e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:41:45, skipping insertion in model container [2024-11-12 16:41:45,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:41:45" (3/3) ... [2024-11-12 16:41:45,201 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcat-alloca-2.i [2024-11-12 16:41:45,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:41:45,212 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-12 16:41:45,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:41:45,263 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;@2fc8e952, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:41:45,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-12 16:41:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 49 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 16:41:45,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:45,270 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:41:45,270 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:45,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:45,274 INFO L85 PathProgramCache]: Analyzing trace with hash 889510797, now seen corresponding path program 1 times [2024-11-12 16:41:45,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:45,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682774781] [2024-11-12 16:41:45,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:45,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:45,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:45,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682774781] [2024-11-12 16:41:45,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682774781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:45,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:45,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:41:45,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690240586] [2024-11-12 16:41:45,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:45,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:41:45,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:45,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:41:45,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:45,491 INFO L87 Difference]: Start difference. First operand has 50 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 49 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:45,574 INFO L93 Difference]: Finished difference Result 84 states and 102 transitions. [2024-11-12 16:41:45,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:41:45,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 16:41:45,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:45,582 INFO L225 Difference]: With dead ends: 84 [2024-11-12 16:41:45,583 INFO L226 Difference]: Without dead ends: 43 [2024-11-12 16:41:45,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:41:45,588 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 8 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:45,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 131 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:45,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-12 16:41:45,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-11-12 16:41:45,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.6666666666666667) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2024-11-12 16:41:45,616 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 6 [2024-11-12 16:41:45,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:45,616 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2024-11-12 16:41:45,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,617 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2024-11-12 16:41:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 16:41:45,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:45,617 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:41:45,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:41:45,617 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:45,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:45,618 INFO L85 PathProgramCache]: Analyzing trace with hash 889510859, now seen corresponding path program 1 times [2024-11-12 16:41:45,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:45,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178821766] [2024-11-12 16:41:45,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:45,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:45,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:45,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:45,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178821766] [2024-11-12 16:41:45,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178821766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:45,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:45,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:41:45,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120575881] [2024-11-12 16:41:45,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:45,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:41:45,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:45,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:41:45,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:45,671 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:45,719 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2024-11-12 16:41:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:41:45,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 16:41:45,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:45,721 INFO L225 Difference]: With dead ends: 43 [2024-11-12 16:41:45,721 INFO L226 Difference]: Without dead ends: 39 [2024-11-12 16:41:45,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:41:45,723 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 36 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:45,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 54 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:45,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-12 16:41:45,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2024-11-12 16:41:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.6) internal successors, (40), 35 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2024-11-12 16:41:45,729 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 6 [2024-11-12 16:41:45,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:45,729 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2024-11-12 16:41:45,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-11-12 16:41:45,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 16:41:45,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:45,730 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:45,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:41:45,731 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:45,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:45,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1805030985, now seen corresponding path program 1 times [2024-11-12 16:41:45,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:45,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647072778] [2024-11-12 16:41:45,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:45,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:45,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:45,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647072778] [2024-11-12 16:41:45,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647072778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:45,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:45,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:41:45,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654386806] [2024-11-12 16:41:45,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:45,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:41:45,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:45,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:41:45,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:45,797 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:45,831 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2024-11-12 16:41:45,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:41:45,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 16:41:45,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:45,832 INFO L225 Difference]: With dead ends: 41 [2024-11-12 16:41:45,832 INFO L226 Difference]: Without dead ends: 40 [2024-11-12 16:41:45,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:41:45,834 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 5 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:45,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 95 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:45,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-12 16:41:45,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2024-11-12 16:41:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 38 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2024-11-12 16:41:45,840 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 7 [2024-11-12 16:41:45,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:45,841 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2024-11-12 16:41:45,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2024-11-12 16:41:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 16:41:45,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:45,843 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:45,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:41:45,843 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:45,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:45,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1805090567, now seen corresponding path program 1 times [2024-11-12 16:41:45,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:45,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805509785] [2024-11-12 16:41:45,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:45,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:45,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805509785] [2024-11-12 16:41:45,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805509785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:45,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:45,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:41:45,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863125074] [2024-11-12 16:41:45,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:45,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:41:45,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:45,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:41:45,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:45,894 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:45,935 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-12 16:41:45,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:41:45,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 16:41:45,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:45,938 INFO L225 Difference]: With dead ends: 39 [2024-11-12 16:41:45,938 INFO L226 Difference]: Without dead ends: 38 [2024-11-12 16:41:45,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:41:45,940 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 6 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:45,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 88 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:45,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-12 16:41:45,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2024-11-12 16:41:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.56) internal successors, (39), 34 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-11-12 16:41:45,948 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 7 [2024-11-12 16:41:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:45,949 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-11-12 16:41:45,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-11-12 16:41:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 16:41:45,950 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:45,950 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:45,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 16:41:45,951 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:45,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:45,952 INFO L85 PathProgramCache]: Analyzing trace with hash -532009106, now seen corresponding path program 1 times [2024-11-12 16:41:45,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:45,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191834051] [2024-11-12 16:41:45,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191834051] [2024-11-12 16:41:46,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191834051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:46,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:41:46,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479663325] [2024-11-12 16:41:46,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:41:46,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:41:46,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:41:46,026 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:46,043 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2024-11-12 16:41:46,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:41:46,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-12 16:41:46,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:46,044 INFO L225 Difference]: With dead ends: 35 [2024-11-12 16:41:46,044 INFO L226 Difference]: Without dead ends: 33 [2024-11-12 16:41:46,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:41:46,045 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 24 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:46,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 30 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:46,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-12 16:41:46,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-12 16:41:46,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.48) internal successors, (37), 32 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2024-11-12 16:41:46,065 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 9 [2024-11-12 16:41:46,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:46,065 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2024-11-12 16:41:46,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2024-11-12 16:41:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-12 16:41:46,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:46,066 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:46,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 16:41:46,068 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:46,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:46,068 INFO L85 PathProgramCache]: Analyzing trace with hash 687586964, now seen corresponding path program 1 times [2024-11-12 16:41:46,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:46,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521677057] [2024-11-12 16:41:46,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521677057] [2024-11-12 16:41:46,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521677057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:46,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:41:46,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046395352] [2024-11-12 16:41:46,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:41:46,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:41:46,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:41:46,116 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:46,168 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2024-11-12 16:41:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:41:46,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-12 16:41:46,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:46,169 INFO L225 Difference]: With dead ends: 61 [2024-11-12 16:41:46,169 INFO L226 Difference]: Without dead ends: 59 [2024-11-12 16:41:46,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:41:46,170 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 23 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:46,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 55 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:46,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-12 16:41:46,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2024-11-12 16:41:46,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 53 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-11-12 16:41:46,176 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 10 [2024-11-12 16:41:46,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:46,176 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-11-12 16:41:46,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-11-12 16:41:46,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-12 16:41:46,177 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:46,177 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:46,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 16:41:46,180 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:46,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:46,181 INFO L85 PathProgramCache]: Analyzing trace with hash -121759662, now seen corresponding path program 1 times [2024-11-12 16:41:46,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:46,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569355492] [2024-11-12 16:41:46,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569355492] [2024-11-12 16:41:46,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569355492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:46,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:41:46,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612905237] [2024-11-12 16:41:46,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:41:46,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:41:46,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:41:46,232 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:46,243 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2024-11-12 16:41:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:41:46,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-12 16:41:46,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:46,244 INFO L225 Difference]: With dead ends: 54 [2024-11-12 16:41:46,244 INFO L226 Difference]: Without dead ends: 52 [2024-11-12 16:41:46,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:41:46,245 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 23 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:46,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 28 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:46,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-12 16:41:46,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 31. [2024-11-12 16:41:46,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.4) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-11-12 16:41:46,251 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 10 [2024-11-12 16:41:46,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:46,252 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-12 16:41:46,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-12 16:41:46,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 16:41:46,252 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:46,252 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:46,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 16:41:46,252 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:46,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:46,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1204278806, now seen corresponding path program 1 times [2024-11-12 16:41:46,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:46,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490714526] [2024-11-12 16:41:46,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490714526] [2024-11-12 16:41:46,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490714526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:46,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:41:46,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696452215] [2024-11-12 16:41:46,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:41:46,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:41:46,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:41:46,293 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:46,308 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2024-11-12 16:41:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:41:46,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-12 16:41:46,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:46,311 INFO L225 Difference]: With dead ends: 31 [2024-11-12 16:41:46,311 INFO L226 Difference]: Without dead ends: 25 [2024-11-12 16:41:46,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:41:46,312 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 18 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:46,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 31 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:46,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-12 16:41:46,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-12 16:41:46,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 21 states have (on average 1.380952380952381) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2024-11-12 16:41:46,317 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 13 [2024-11-12 16:41:46,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:46,317 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-11-12 16:41:46,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,317 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-12 16:41:46,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 16:41:46,317 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:46,318 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:46,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 16:41:46,318 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:46,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:46,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1204280469, now seen corresponding path program 1 times [2024-11-12 16:41:46,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:46,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559022199] [2024-11-12 16:41:46,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559022199] [2024-11-12 16:41:46,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559022199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:46,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:41:46,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816898866] [2024-11-12 16:41:46,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:41:46,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:41:46,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:46,370 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:46,392 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2024-11-12 16:41:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:41:46,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-12 16:41:46,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:46,393 INFO L225 Difference]: With dead ends: 59 [2024-11-12 16:41:46,394 INFO L226 Difference]: Without dead ends: 42 [2024-11-12 16:41:46,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:46,394 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 12 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:46,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 60 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:46,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-12 16:41:46,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2024-11-12 16:41:46,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 32 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2024-11-12 16:41:46,397 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 13 [2024-11-12 16:41:46,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:46,397 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2024-11-12 16:41:46,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2024-11-12 16:41:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-12 16:41:46,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:46,398 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:46,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 16:41:46,398 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:46,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:46,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1905345047, now seen corresponding path program 1 times [2024-11-12 16:41:46,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:46,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644278755] [2024-11-12 16:41:46,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644278755] [2024-11-12 16:41:46,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644278755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:46,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:41:46,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36901434] [2024-11-12 16:41:46,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:41:46,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:41:46,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:46,451 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:46,479 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-11-12 16:41:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:41:46,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-12 16:41:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:46,480 INFO L225 Difference]: With dead ends: 41 [2024-11-12 16:41:46,480 INFO L226 Difference]: Without dead ends: 39 [2024-11-12 16:41:46,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:46,481 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:46,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:46,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-12 16:41:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-12 16:41:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2024-11-12 16:41:46,484 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 13 [2024-11-12 16:41:46,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:46,484 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2024-11-12 16:41:46,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-11-12 16:41:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 16:41:46,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:46,484 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:46,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 16:41:46,485 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:46,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:46,485 INFO L85 PathProgramCache]: Analyzing trace with hash -716421955, now seen corresponding path program 1 times [2024-11-12 16:41:46,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:46,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670341191] [2024-11-12 16:41:46,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670341191] [2024-11-12 16:41:46,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670341191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:46,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:41:46,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375637704] [2024-11-12 16:41:46,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:41:46,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:41:46,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:46,539 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:46,555 INFO L93 Difference]: Finished difference Result 74 states and 83 transitions. [2024-11-12 16:41:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:41:46,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-12 16:41:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:46,556 INFO L225 Difference]: With dead ends: 74 [2024-11-12 16:41:46,556 INFO L226 Difference]: Without dead ends: 56 [2024-11-12 16:41:46,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:46,556 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:46,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 53 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:46,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-12 16:41:46,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-12 16:41:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.24) internal successors, (62), 53 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-12 16:41:46,560 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 17 [2024-11-12 16:41:46,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:46,561 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-12 16:41:46,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-12 16:41:46,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 16:41:46,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:46,561 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:46,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 16:41:46,561 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:46,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:46,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1303227969, now seen corresponding path program 1 times [2024-11-12 16:41:46,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:46,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880181838] [2024-11-12 16:41:46,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880181838] [2024-11-12 16:41:46,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880181838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:46,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:41:46,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754353237] [2024-11-12 16:41:46,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:41:46,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:41:46,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:46,607 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:46,623 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2024-11-12 16:41:46,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:41:46,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-12 16:41:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:46,624 INFO L225 Difference]: With dead ends: 62 [2024-11-12 16:41:46,624 INFO L226 Difference]: Without dead ends: 60 [2024-11-12 16:41:46,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:41:46,625 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:46,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 70 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:46,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-12 16:41:46,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-12 16:41:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 59 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2024-11-12 16:41:46,633 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 17 [2024-11-12 16:41:46,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:46,633 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2024-11-12 16:41:46,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2024-11-12 16:41:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 16:41:46,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:46,634 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:46,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 16:41:46,634 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:46,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:46,634 INFO L85 PathProgramCache]: Analyzing trace with hash -472829679, now seen corresponding path program 1 times [2024-11-12 16:41:46,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:46,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507464295] [2024-11-12 16:41:46,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 16:41:46,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507464295] [2024-11-12 16:41:46,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507464295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:46,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:41:46,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334775897] [2024-11-12 16:41:46,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:41:46,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:41:46,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:41:46,720 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:46,766 INFO L93 Difference]: Finished difference Result 115 states and 128 transitions. [2024-11-12 16:41:46,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:41:46,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-12 16:41:46,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:46,768 INFO L225 Difference]: With dead ends: 115 [2024-11-12 16:41:46,768 INFO L226 Difference]: Without dead ends: 74 [2024-11-12 16:41:46,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:41:46,769 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 74 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 [2024-11-12 16:41:46,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 74 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:46,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-12 16:41:46,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 60. [2024-11-12 16:41:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 59 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2024-11-12 16:41:46,779 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 19 [2024-11-12 16:41:46,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:46,780 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2024-11-12 16:41:46,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2024-11-12 16:41:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 16:41:46,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:46,781 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:46,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 16:41:46,782 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:46,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:46,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1493898033, now seen corresponding path program 1 times [2024-11-12 16:41:46,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:46,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570417023] [2024-11-12 16:41:46,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:46,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570417023] [2024-11-12 16:41:46,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570417023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:41:46,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403104676] [2024-11-12 16:41:46,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:46,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:41:46,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:41:46,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:41:46,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 16:41:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:46,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 16:41:46,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:41:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:46,984 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:41:46,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403104676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:46,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:41:46,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-12 16:41:46,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014940346] [2024-11-12 16:41:46,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:46,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:41:46,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:46,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:41:46,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 16:41:46,987 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:47,009 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2024-11-12 16:41:47,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:41:47,010 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-12 16:41:47,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:47,010 INFO L225 Difference]: With dead ends: 60 [2024-11-12 16:41:47,010 INFO L226 Difference]: Without dead ends: 59 [2024-11-12 16:41:47,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 16:41:47,011 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:47,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:47,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-12 16:41:47,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-12 16:41:47,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2024-11-12 16:41:47,018 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 19 [2024-11-12 16:41:47,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:47,018 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2024-11-12 16:41:47,018 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2024-11-12 16:41:47,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-12 16:41:47,019 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:47,019 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:47,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 16:41:47,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-12 16:41:47,220 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:47,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:47,220 INFO L85 PathProgramCache]: Analyzing trace with hash 933801310, now seen corresponding path program 1 times [2024-11-12 16:41:47,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:47,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978259496] [2024-11-12 16:41:47,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:47,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:47,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:47,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978259496] [2024-11-12 16:41:47,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978259496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:41:47,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663550050] [2024-11-12 16:41:47,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:47,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:41:47,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:41:47,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:41:47,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 16:41:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:47,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 16:41:47,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:41:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:47,362 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:41:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:47,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663550050] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:41:47,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:41:47,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-12 16:41:47,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020968179] [2024-11-12 16:41:47,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:41:47,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 16:41:47,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:47,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 16:41:47,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:41:47,407 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:47,447 INFO L93 Difference]: Finished difference Result 96 states and 111 transitions. [2024-11-12 16:41:47,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:41:47,447 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-12 16:41:47,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:47,448 INFO L225 Difference]: With dead ends: 96 [2024-11-12 16:41:47,448 INFO L226 Difference]: Without dead ends: 95 [2024-11-12 16:41:47,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:41:47,449 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:47,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:47,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-12 16:41:47,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-12 16:41:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 92 states have (on average 1.141304347826087) internal successors, (105), 94 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2024-11-12 16:41:47,459 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 20 [2024-11-12 16:41:47,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:47,459 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2024-11-12 16:41:47,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2024-11-12 16:41:47,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-12 16:41:47,460 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:47,460 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:47,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 16:41:47,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-12 16:41:47,661 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:47,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:47,661 INFO L85 PathProgramCache]: Analyzing trace with hash 724359929, now seen corresponding path program 1 times [2024-11-12 16:41:47,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:47,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754681061] [2024-11-12 16:41:47,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:47,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:47,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 16:41:47,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:47,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754681061] [2024-11-12 16:41:47,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754681061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:47,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:41:47,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 16:41:47,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341237642] [2024-11-12 16:41:47,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:47,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:41:47,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:47,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:41:47,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:41:47,716 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:47,773 INFO L93 Difference]: Finished difference Result 118 states and 127 transitions. [2024-11-12 16:41:47,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:41:47,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-12 16:41:47,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:47,774 INFO L225 Difference]: With dead ends: 118 [2024-11-12 16:41:47,774 INFO L226 Difference]: Without dead ends: 96 [2024-11-12 16:41:47,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:41:47,775 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 47 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:47,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 61 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:47,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-12 16:41:47,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-12 16:41:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 92 states have (on average 1.1195652173913044) internal successors, (103), 94 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2024-11-12 16:41:47,779 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 23 [2024-11-12 16:41:47,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:47,779 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2024-11-12 16:41:47,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2024-11-12 16:41:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-12 16:41:47,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:47,780 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:47,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 16:41:47,780 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:47,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:47,780 INFO L85 PathProgramCache]: Analyzing trace with hash -93288521, now seen corresponding path program 1 times [2024-11-12 16:41:47,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:47,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054882844] [2024-11-12 16:41:47,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:47,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:47,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:47,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054882844] [2024-11-12 16:41:47,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054882844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:41:47,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258492506] [2024-11-12 16:41:47,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:47,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:41:47,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:41:47,842 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:41:47,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 16:41:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:47,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 16:41:47,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:41:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:47,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:41:47,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258492506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:41:47,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:41:47,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-12 16:41:47,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109015026] [2024-11-12 16:41:47,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:41:47,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:41:47,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:47,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:41:47,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 16:41:47,932 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:47,953 INFO L93 Difference]: Finished difference Result 95 states and 103 transitions. [2024-11-12 16:41:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:41:47,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-12 16:41:47,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:47,953 INFO L225 Difference]: With dead ends: 95 [2024-11-12 16:41:47,954 INFO L226 Difference]: Without dead ends: 94 [2024-11-12 16:41:47,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 16:41:47,954 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:47,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 103 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:47,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-12 16:41:47,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-12 16:41:47,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 92 states have (on average 1.108695652173913) internal successors, (102), 93 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 102 transitions. [2024-11-12 16:41:47,959 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 102 transitions. Word has length 23 [2024-11-12 16:41:47,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:47,960 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 102 transitions. [2024-11-12 16:41:47,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2024-11-12 16:41:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-12 16:41:47,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:47,960 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:47,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 16:41:48,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:41:48,161 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:48,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:48,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1403023244, now seen corresponding path program 1 times [2024-11-12 16:41:48,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:48,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115026937] [2024-11-12 16:41:48,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:48,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:48,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:48,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115026937] [2024-11-12 16:41:48,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115026937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:41:48,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266763294] [2024-11-12 16:41:48,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:48,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:41:48,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:41:48,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:41:48,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 16:41:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:48,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 16:41:48,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:41:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:48,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:41:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:48,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266763294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:41:48,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:41:48,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-12 16:41:48,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550176280] [2024-11-12 16:41:48,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:41:48,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 16:41:48,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:48,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 16:41:48,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:41:48,314 INFO L87 Difference]: Start difference. First operand 94 states and 102 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:48,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:48,348 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2024-11-12 16:41:48,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:41:48,348 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-12 16:41:48,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:48,349 INFO L225 Difference]: With dead ends: 113 [2024-11-12 16:41:48,349 INFO L226 Difference]: Without dead ends: 112 [2024-11-12 16:41:48,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:41:48,350 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:48,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:41:48,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-12 16:41:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-12 16:41:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 110 states have (on average 1.0909090909090908) internal successors, (120), 111 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 120 transitions. [2024-11-12 16:41:48,354 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 120 transitions. Word has length 24 [2024-11-12 16:41:48,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:48,355 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 120 transitions. [2024-11-12 16:41:48,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 120 transitions. [2024-11-12 16:41:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-12 16:41:48,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:48,355 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:48,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 16:41:48,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 16:41:48,560 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:48,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:48,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1869018800, now seen corresponding path program 2 times [2024-11-12 16:41:48,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:48,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048713139] [2024-11-12 16:41:48,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:48,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:48,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:48,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048713139] [2024-11-12 16:41:48,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048713139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:41:48,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922434307] [2024-11-12 16:41:48,685 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:41:48,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:41:48,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:41:48,687 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:41:48,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 16:41:48,743 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 16:41:48,743 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:41:48,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 16:41:48,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:41:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 16:41:48,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:41:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 16:41:48,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922434307] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:41:48,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:41:48,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2024-11-12 16:41:48,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941203839] [2024-11-12 16:41:48,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:41:48,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 16:41:48,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:48,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 16:41:48,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-12 16:41:48,893 INFO L87 Difference]: Start difference. First operand 112 states and 120 transitions. Second operand has 18 states, 17 states have (on average 4.235294117647059) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:49,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:49,077 INFO L93 Difference]: Finished difference Result 130 states and 142 transitions. [2024-11-12 16:41:49,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 16:41:49,078 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.235294117647059) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2024-11-12 16:41:49,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:49,079 INFO L225 Difference]: With dead ends: 130 [2024-11-12 16:41:49,079 INFO L226 Difference]: Without dead ends: 87 [2024-11-12 16:41:49,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2024-11-12 16:41:49,081 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 38 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:49,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 84 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:41:49,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-12 16:41:49,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2024-11-12 16:41:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 53 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2024-11-12 16:41:49,085 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 38 [2024-11-12 16:41:49,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:49,085 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2024-11-12 16:41:49,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.235294117647059) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2024-11-12 16:41:49,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-12 16:41:49,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:41:49,087 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:49,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 16:41:49,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:41:49,288 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-12 16:41:49,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:41:49,288 INFO L85 PathProgramCache]: Analyzing trace with hash -701292002, now seen corresponding path program 2 times [2024-11-12 16:41:49,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:41:49,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299634369] [2024-11-12 16:41:49,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:41:49,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:41:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:41:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:41:49,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:41:49,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299634369] [2024-11-12 16:41:49,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299634369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:41:49,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521670378] [2024-11-12 16:41:49,413 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:41:49,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:41:49,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:41:49,414 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 16:41:49,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 16:41:49,465 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 16:41:49,465 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:41:49,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 16:41:49,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:41:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 16:41:49,535 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:41:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-12 16:41:49,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521670378] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:41:49,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:41:49,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2024-11-12 16:41:49,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568800530] [2024-11-12 16:41:49,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:41:49,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 16:41:49,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:49,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 16:41:49,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-12 16:41:49,605 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 18 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:49,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:41:49,774 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2024-11-12 16:41:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 16:41:49,774 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 18 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-11-12 16:41:49,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:41:49,775 INFO L225 Difference]: With dead ends: 63 [2024-11-12 16:41:49,775 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 16:41:49,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2024-11-12 16:41:49,777 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:41:49,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 74 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:41:49,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 16:41:49,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 16:41:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 16:41:49,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-11-12 16:41:49,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:41:49,778 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 16:41:49,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 18 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:41:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 16:41:49,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 16:41:49,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2024-11-12 16:41:49,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2024-11-12 16:41:49,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2024-11-12 16:41:49,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2024-11-12 16:41:49,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2024-11-12 16:41:49,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2024-11-12 16:41:49,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2024-11-12 16:41:49,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2024-11-12 16:41:49,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2024-11-12 16:41:49,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2024-11-12 16:41:49,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2024-11-12 16:41:49,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2024-11-12 16:41:49,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2024-11-12 16:41:49,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2024-11-12 16:41:49,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 16:41:49,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:41:49,990 INFO L421 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:41:49,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-12 16:41:50,179 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 16:41:50,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:41:50 BoogieIcfgContainer [2024-11-12 16:41:50,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 16:41:50,194 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 16:41:50,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 16:41:50,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 16:41:50,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:41:45" (3/4) ... [2024-11-12 16:41:50,197 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 16:41:50,204 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-12 16:41:50,205 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-12 16:41:50,205 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-12 16:41:50,205 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 16:41:50,284 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 16:41:50,284 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 16:41:50,284 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 16:41:50,285 INFO L158 Benchmark]: Toolchain (without parser) took 5856.76ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 133.6MB in the beginning and 145.4MB in the end (delta: -11.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-12 16:41:50,285 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 167.8MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:41:50,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.26ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 114.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-12 16:41:50,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.00ms. Allocated memory is still 167.8MB. Free memory was 113.9MB in the beginning and 112.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:41:50,285 INFO L158 Benchmark]: Boogie Preprocessor took 29.24ms. Allocated memory is still 167.8MB. Free memory was 112.4MB in the beginning and 109.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:41:50,286 INFO L158 Benchmark]: RCFGBuilder took 385.97ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 126.0MB in the end (delta: -16.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 16:41:50,286 INFO L158 Benchmark]: TraceAbstraction took 4997.47ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 125.2MB in the beginning and 150.6MB in the end (delta: -25.3MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2024-11-12 16:41:50,286 INFO L158 Benchmark]: Witness Printer took 90.00ms. Allocated memory is still 201.3MB. Free memory was 150.6MB in the beginning and 145.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 16:41:50,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 167.8MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.26ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 114.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.00ms. Allocated memory is still 167.8MB. Free memory was 113.9MB in the beginning and 112.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.24ms. Allocated memory is still 167.8MB. Free memory was 112.4MB in the beginning and 109.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.97ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 126.0MB in the end (delta: -16.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4997.47ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 125.2MB in the beginning and 150.6MB in the end (delta: -25.3MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. * Witness Printer took 90.00ms. Allocated memory is still 201.3MB. Free memory was 150.6MB in the beginning and 145.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 534]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 534]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 538]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 538]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 538]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 538]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 542]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 542]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 542]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 542]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 547]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 547]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 265 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 265 mSDsluCounter, 1459 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 939 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 649 IncrementalHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 520 mSDtfsCounter, 649 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=18, InterpolantAutomatonStates: 119, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 94 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 502 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 596 ConstructedInterpolants, 0 QuantifiedInterpolants, 1508 SizeOfPredicates, 4 NumberOfNonLiveVariables, 463 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 30 InterpolantComputations, 16 PerfectInterpolantSequences, 212/426 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 14 specifications checked. All of them hold - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-12 16:41:50,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE