./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/recursive-simple/id_i10_o10-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 11:09:50,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 11:09:50,127 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 11:09:50,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 11:09:50,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 11:09:50,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 11:09:50,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 11:09:50,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 11:09:50,152 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 11:09:50,153 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 11:09:50,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 11:09:50,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 11:09:50,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 11:09:50,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 11:09:50,155 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 11:09:50,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 11:09:50,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 11:09:50,156 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 11:09:50,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 11:09:50,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 11:09:50,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 11:09:50,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 11:09:50,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 11:09:50,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 11:09:50,159 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 11:09:50,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 11:09:50,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 11:09:50,160 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 11:09:50,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 11:09:50,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 11:09:50,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 11:09:50,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 11:09:50,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 11:09:50,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 11:09:50,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:09:50,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 11:09:50,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 11:09:50,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 11:09:50,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 11:09:50,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 11:09:50,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 11:09:50,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 11:09:50,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 11:09:50,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 11:09:50,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe [2024-11-19 11:09:50,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 11:09:50,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 11:09:50,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 11:09:50,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 11:09:50,442 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 11:09:50,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2024-11-19 11:09:51,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 11:09:52,102 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 11:09:52,102 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2024-11-19 11:09:52,109 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eda5a4a7/5b2ab43e16bd43d09d23bfabdf56dc32/FLAG2088c75a6 [2024-11-19 11:09:52,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eda5a4a7/5b2ab43e16bd43d09d23bfabdf56dc32 [2024-11-19 11:09:52,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 11:09:52,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 11:09:52,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 11:09:52,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 11:09:52,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 11:09:52,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c7019f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52, skipping insertion in model container [2024-11-19 11:09:52,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 11:09:52,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:09:52,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 11:09:52,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:09:52,386 INFO L204 MainTranslator]: Completed translation [2024-11-19 11:09:52,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52 WrapperNode [2024-11-19 11:09:52,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 11:09:52,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 11:09:52,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 11:09:52,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 11:09:52,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,412 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-11-19 11:09:52,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 11:09:52,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 11:09:52,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 11:09:52,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 11:09:52,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,422 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,430 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 11:09:52,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 11:09:52,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 11:09:52,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 11:09:52,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 11:09:52,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (1/1) ... [2024-11-19 11:09:52,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:09:52,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:09:52,471 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) [2024-11-19 11:09:52,474 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 [2024-11-19 11:09:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 11:09:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 11:09:52,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 11:09:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 11:09:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-19 11:09:52,526 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-19 11:09:52,589 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 11:09:52,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 11:09:52,713 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-19 11:09:52,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 11:09:52,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 11:09:52,727 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 11:09:52,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:09:52 BoogieIcfgContainer [2024-11-19 11:09:52,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 11:09:52,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 11:09:52,732 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 11:09:52,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 11:09:52,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:09:52" (1/3) ... [2024-11-19 11:09:52,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0fc972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:09:52, skipping insertion in model container [2024-11-19 11:09:52,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:52" (2/3) ... [2024-11-19 11:09:52,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0fc972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:09:52, skipping insertion in model container [2024-11-19 11:09:52,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:09:52" (3/3) ... [2024-11-19 11:09:52,738 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i10_o10-2.c [2024-11-19 11:09:52,756 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 11:09:52,757 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 11:09:52,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 11:09:52,822 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;@9630c2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 11:09:52,822 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 11:09:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 11:09:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 11:09:52,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:52,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 11:09:52,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:52,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:52,842 INFO L85 PathProgramCache]: Analyzing trace with hash 890350836, now seen corresponding path program 1 times [2024-11-19 11:09:52,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:52,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704965027] [2024-11-19 11:09:52,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:09:52,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:09:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:53,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:53,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704965027] [2024-11-19 11:09:53,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704965027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:09:53,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:09:53,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 11:09:53,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028070617] [2024-11-19 11:09:53,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:09:53,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:09:53,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:09:53,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:09:53,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:09:53,110 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:53,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:09:53,217 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2024-11-19 11:09:53,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:09:53,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 11:09:53,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:09:53,225 INFO L225 Difference]: With dead ends: 46 [2024-11-19 11:09:53,225 INFO L226 Difference]: Without dead ends: 28 [2024-11-19 11:09:53,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 11:09:53,230 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:09:53,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 67 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:09:53,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-19 11:09:53,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2024-11-19 11:09:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 11:09:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2024-11-19 11:09:53,263 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 6 [2024-11-19 11:09:53,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:09:53,263 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-11-19 11:09:53,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-19 11:09:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 11:09:53,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:53,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:09:53,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 11:09:53,265 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:53,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:53,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1831072195, now seen corresponding path program 1 times [2024-11-19 11:09:53,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:53,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507335206] [2024-11-19 11:09:53,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:09:53,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:09:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:53,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:53,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507335206] [2024-11-19 11:09:53,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507335206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:09:53,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:09:53,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 11:09:53,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624932397] [2024-11-19 11:09:53,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:09:53,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 11:09:53,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:09:53,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 11:09:53,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 11:09:53,359 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:53,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:09:53,475 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-19 11:09:53,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 11:09:53,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 11:09:53,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:09:53,479 INFO L225 Difference]: With dead ends: 27 [2024-11-19 11:09:53,479 INFO L226 Difference]: Without dead ends: 26 [2024-11-19 11:09:53,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 11:09:53,483 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 19 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:09:53,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 26 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:09:53,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-19 11:09:53,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2024-11-19 11:09:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 11:09:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-19 11:09:53,498 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 7 [2024-11-19 11:09:53,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:09:53,498 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-19 11:09:53,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-19 11:09:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 11:09:53,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:53,500 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:09:53,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 11:09:53,500 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:53,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:53,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1922931507, now seen corresponding path program 1 times [2024-11-19 11:09:53,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:53,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539312931] [2024-11-19 11:09:53,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:09:53,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:09:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:53,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539312931] [2024-11-19 11:09:53,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539312931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:09:53,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249089508] [2024-11-19 11:09:53,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:09:53,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:53,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:09:53,646 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) [2024-11-19 11:09:53,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 11:09:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:09:53,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 11:09:53,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:09:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:53,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:09:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:53,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249089508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:09:53,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:09:53,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-19 11:09:53,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550969802] [2024-11-19 11:09:53,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:09:53,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 11:09:53,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:09:53,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 11:09:53,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:09:53,849 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:54,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:09:54,027 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2024-11-19 11:09:54,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:09:54,027 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-19 11:09:54,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:09:54,029 INFO L225 Difference]: With dead ends: 76 [2024-11-19 11:09:54,030 INFO L226 Difference]: Without dead ends: 68 [2024-11-19 11:09:54,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-19 11:09:54,032 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 99 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:09:54,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 95 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:09:54,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-19 11:09:54,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54. [2024-11-19 11:09:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 43 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 11:09:54,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2024-11-19 11:09:54,044 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 11 [2024-11-19 11:09:54,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:09:54,044 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2024-11-19 11:09:54,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:54,045 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2024-11-19 11:09:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 11:09:54,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:54,046 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:09:54,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 11:09:54,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:54,252 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:54,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:54,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1856245274, now seen corresponding path program 1 times [2024-11-19 11:09:54,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:54,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784768185] [2024-11-19 11:09:54,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:09:54,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:09:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 11:09:54,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:54,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784768185] [2024-11-19 11:09:54,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784768185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:09:54,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:09:54,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 11:09:54,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980083517] [2024-11-19 11:09:54,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:09:54,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 11:09:54,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:09:54,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 11:09:54,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 11:09:54,354 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 11:09:54,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:09:54,375 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2024-11-19 11:09:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 11:09:54,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-19 11:09:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:09:54,377 INFO L225 Difference]: With dead ends: 74 [2024-11-19 11:09:54,377 INFO L226 Difference]: Without dead ends: 72 [2024-11-19 11:09:54,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 11:09:54,379 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:09:54,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:09:54,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-19 11:09:54,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-19 11:09:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 57 states have internal predecessors, (69), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 11:09:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2024-11-19 11:09:54,401 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 19 [2024-11-19 11:09:54,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:09:54,402 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2024-11-19 11:09:54,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 11:09:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2024-11-19 11:09:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 11:09:54,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:54,403 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:09:54,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 11:09:54,403 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:54,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:54,404 INFO L85 PathProgramCache]: Analyzing trace with hash -614066819, now seen corresponding path program 1 times [2024-11-19 11:09:54,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:54,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976866967] [2024-11-19 11:09:54,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:09:54,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:09:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 11:09:54,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:54,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976866967] [2024-11-19 11:09:54,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976866967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:09:54,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:09:54,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:09:54,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287166574] [2024-11-19 11:09:54,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:09:54,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 11:09:54,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:09:54,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 11:09:54,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:09:54,472 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 11:09:54,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:09:54,486 INFO L93 Difference]: Finished difference Result 72 states and 84 transitions. [2024-11-19 11:09:54,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 11:09:54,488 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-19 11:09:54,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:09:54,490 INFO L225 Difference]: With dead ends: 72 [2024-11-19 11:09:54,491 INFO L226 Difference]: Without dead ends: 71 [2024-11-19 11:09:54,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:09:54,492 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:09:54,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:09:54,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-19 11:09:54,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-19 11:09:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 11:09:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2024-11-19 11:09:54,513 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 24 [2024-11-19 11:09:54,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:09:54,513 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2024-11-19 11:09:54,514 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 11:09:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2024-11-19 11:09:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 11:09:54,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:54,515 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-19 11:09:54,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 11:09:54,515 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:54,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:54,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1990585420, now seen corresponding path program 2 times [2024-11-19 11:09:54,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:54,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031934017] [2024-11-19 11:09:54,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:09:54,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:54,535 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:09:54,539 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:09:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:54,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:54,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031934017] [2024-11-19 11:09:54,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031934017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:09:54,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059926128] [2024-11-19 11:09:54,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:09:54,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:09:54,753 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) [2024-11-19 11:09:54,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 11:09:54,798 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:09:54,798 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:09:54,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 11:09:54,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:09:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:54,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:09:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:55,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059926128] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:09:55,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:09:55,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-19 11:09:55,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392218403] [2024-11-19 11:09:55,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:09:55,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 11:09:55,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:09:55,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 11:09:55,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-19 11:09:55,097 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:55,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:09:55,466 INFO L93 Difference]: Finished difference Result 188 states and 204 transitions. [2024-11-19 11:09:55,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 11:09:55,467 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-19 11:09:55,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:09:55,468 INFO L225 Difference]: With dead ends: 188 [2024-11-19 11:09:55,470 INFO L226 Difference]: Without dead ends: 156 [2024-11-19 11:09:55,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 11:09:55,472 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 247 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:09:55,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 223 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:09:55,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-19 11:09:55,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2024-11-19 11:09:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 116 states have (on average 1.146551724137931) internal successors, (133), 116 states have internal predecessors, (133), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-19 11:09:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 163 transitions. [2024-11-19 11:09:55,497 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 163 transitions. Word has length 26 [2024-11-19 11:09:55,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:09:55,498 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 163 transitions. [2024-11-19 11:09:55,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2024-11-19 11:09:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 11:09:55,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:55,499 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 11:09:55,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 11:09:55,703 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,SelfDestructingSolverStorable5 [2024-11-19 11:09:55,704 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:55,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:55,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1350016289, now seen corresponding path program 1 times [2024-11-19 11:09:55,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:55,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931818912] [2024-11-19 11:09:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:09:55,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:09:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 11:09:55,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:55,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931818912] [2024-11-19 11:09:55,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931818912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:09:55,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232385440] [2024-11-19 11:09:55,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:09:55,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:55,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:09:55,798 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) [2024-11-19 11:09:55,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 11:09:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:09:55,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 11:09:55,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:09:56,028 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 11:09:56,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:09:56,405 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 11:09:56,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232385440] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:09:56,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:09:56,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 14, 15] total 29 [2024-11-19 11:09:56,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024124972] [2024-11-19 11:09:56,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:09:56,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-19 11:09:56,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:09:56,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-19 11:09:56,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=676, Unknown=0, NotChecked=0, Total=812 [2024-11-19 11:09:56,410 INFO L87 Difference]: Start difference. First operand 146 states and 163 transitions. Second operand has 29 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 21 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 11:09:56,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:09:56,892 INFO L93 Difference]: Finished difference Result 208 states and 227 transitions. [2024-11-19 11:09:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 11:09:56,894 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 21 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 40 [2024-11-19 11:09:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:09:56,895 INFO L225 Difference]: With dead ends: 208 [2024-11-19 11:09:56,895 INFO L226 Difference]: Without dead ends: 142 [2024-11-19 11:09:56,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=306, Invalid=1334, Unknown=0, NotChecked=0, Total=1640 [2024-11-19 11:09:56,897 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 164 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:09:56,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 462 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:09:56,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-19 11:09:56,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 134. [2024-11-19 11:09:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 107 states have (on average 1.1121495327102804) internal successors, (119), 106 states have internal predecessors, (119), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-11-19 11:09:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 147 transitions. [2024-11-19 11:09:56,927 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 147 transitions. Word has length 40 [2024-11-19 11:09:56,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:09:56,927 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 147 transitions. [2024-11-19 11:09:56,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 21 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 11:09:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2024-11-19 11:09:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 11:09:56,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:56,929 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-19 11:09:56,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 11:09:57,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:57,133 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:57,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:57,134 INFO L85 PathProgramCache]: Analyzing trace with hash -91829804, now seen corresponding path program 3 times [2024-11-19 11:09:57,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:57,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564920560] [2024-11-19 11:09:57,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:09:57,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:57,155 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 11:09:57,155 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:09:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:57,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:57,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564920560] [2024-11-19 11:09:57,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564920560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:09:57,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360137533] [2024-11-19 11:09:57,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:09:57,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:57,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:09:57,596 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) [2024-11-19 11:09:57,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 11:09:57,639 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 11:09:57,640 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:09:57,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:09:57,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:09:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:57,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:09:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 11:09:58,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360137533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:09:58,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:09:58,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-19 11:09:58,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680114491] [2024-11-19 11:09:58,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:09:58,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-19 11:09:58,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:09:58,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-19 11:09:58,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-19 11:09:58,417 INFO L87 Difference]: Start difference. First operand 134 states and 147 transitions. Second operand has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:58,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:09:58,751 INFO L93 Difference]: Finished difference Result 144 states and 147 transitions. [2024-11-19 11:09:58,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-19 11:09:58,752 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-19 11:09:58,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:09:58,753 INFO L225 Difference]: With dead ends: 144 [2024-11-19 11:09:58,753 INFO L226 Difference]: Without dead ends: 143 [2024-11-19 11:09:58,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1045, Invalid=2495, Unknown=0, NotChecked=0, Total=3540 [2024-11-19 11:09:58,755 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 378 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:09:58,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 303 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:09:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-19 11:09:58,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2024-11-19 11:09:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 107 states have (on average 1.102803738317757) internal successors, (118), 105 states have internal predecessors, (118), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-11-19 11:09:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 146 transitions. [2024-11-19 11:09:58,771 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 146 transitions. Word has length 56 [2024-11-19 11:09:58,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:09:58,772 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 146 transitions. [2024-11-19 11:09:58,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 11:09:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2024-11-19 11:09:58,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-19 11:09:58,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:58,776 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-19 11:09:58,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 11:09:58,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:58,977 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:58,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:58,977 INFO L85 PathProgramCache]: Analyzing trace with hash -950608329, now seen corresponding path program 2 times [2024-11-19 11:09:58,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:58,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004515405] [2024-11-19 11:09:58,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:09:58,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:58,992 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:09:58,992 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:09:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-19 11:09:59,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:59,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004515405] [2024-11-19 11:09:59,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004515405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:09:59,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587037008] [2024-11-19 11:09:59,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 11:09:59,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:59,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:09:59,113 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) [2024-11-19 11:09:59,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 11:09:59,168 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 11:09:59,169 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:09:59,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:09:59,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:09:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-19 11:09:59,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:09:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-19 11:09:59,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587037008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:09:59,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:09:59,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-19 11:09:59,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313984561] [2024-11-19 11:09:59,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:09:59,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 11:09:59,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:09:59,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 11:09:59,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-19 11:09:59,409 INFO L87 Difference]: Start difference. First operand 133 states and 146 transitions. Second operand has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 11:09:59,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:09:59,457 INFO L93 Difference]: Finished difference Result 236 states and 274 transitions. [2024-11-19 11:09:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 11:09:59,457 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2024-11-19 11:09:59,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:09:59,459 INFO L225 Difference]: With dead ends: 236 [2024-11-19 11:09:59,459 INFO L226 Difference]: Without dead ends: 235 [2024-11-19 11:09:59,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-19 11:09:59,460 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:09:59,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:09:59,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-19 11:09:59,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-11-19 11:09:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 191 states have (on average 1.057591623036649) internal successors, (202), 185 states have internal predecessors, (202), 12 states have call successors, (12), 11 states have call predecessors, (12), 31 states have return successors, (38), 38 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-19 11:09:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 252 transitions. [2024-11-19 11:09:59,485 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 252 transitions. Word has length 70 [2024-11-19 11:09:59,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:09:59,486 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 252 transitions. [2024-11-19 11:09:59,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 11:09:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 252 transitions. [2024-11-19 11:09:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 11:09:59,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:09:59,489 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2024-11-19 11:09:59,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 11:09:59,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:59,690 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:09:59,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:09:59,690 INFO L85 PathProgramCache]: Analyzing trace with hash -808857225, now seen corresponding path program 3 times [2024-11-19 11:09:59,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:09:59,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031903150] [2024-11-19 11:09:59,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:09:59,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:09:59,704 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-19 11:09:59,705 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:09:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-19 11:09:59,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:09:59,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031903150] [2024-11-19 11:09:59,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031903150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:09:59,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523848803] [2024-11-19 11:09:59,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 11:09:59,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:09:59,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:09:59,931 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) [2024-11-19 11:09:59,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 11:09:59,982 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-19 11:09:59,983 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:09:59,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 11:09:59,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-19 11:10:00,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:10:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-19 11:10:01,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523848803] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:10:01,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:10:01,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2024-11-19 11:10:01,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221373436] [2024-11-19 11:10:01,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:10:01,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-19 11:10:01,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:01,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-19 11:10:01,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-19 11:10:01,443 INFO L87 Difference]: Start difference. First operand 235 states and 252 transitions. Second operand has 32 states, 31 states have (on average 2.225806451612903) internal successors, (69), 32 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 11:10:01,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:01,570 INFO L93 Difference]: Finished difference Result 630 states and 731 transitions. [2024-11-19 11:10:01,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 11:10:01,572 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.225806451612903) internal successors, (69), 32 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 90 [2024-11-19 11:10:01,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:01,575 INFO L225 Difference]: With dead ends: 630 [2024-11-19 11:10:01,575 INFO L226 Difference]: Without dead ends: 389 [2024-11-19 11:10:01,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-19 11:10:01,580 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:01,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:10:01,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-19 11:10:01,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-11-19 11:10:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 316 states have (on average 1.0348101265822784) internal successors, (327), 307 states have internal predecessors, (327), 12 states have call successors, (12), 11 states have call predecessors, (12), 60 states have return successors, (70), 70 states have call predecessors, (70), 11 states have call successors, (70) [2024-11-19 11:10:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 409 transitions. [2024-11-19 11:10:01,609 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 409 transitions. Word has length 90 [2024-11-19 11:10:01,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:01,610 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 409 transitions. [2024-11-19 11:10:01,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.225806451612903) internal successors, (69), 32 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 11:10:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 409 transitions. [2024-11-19 11:10:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-19 11:10:01,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:10:01,614 INFO L215 NwaCegarLoop]: trace histogram [27, 26, 26, 26, 26, 15, 15, 15, 15, 14, 1, 1, 1, 1, 1] [2024-11-19 11:10:01,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 11:10:01,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:01,815 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 11:10:01,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:10:01,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1587491575, now seen corresponding path program 4 times [2024-11-19 11:10:01,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:10:01,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257957943] [2024-11-19 11:10:01,815 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 11:10:01,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:10:01,838 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 11:10:01,838 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:02,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 855 proven. 864 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-11-19 11:10:02,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:10:02,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257957943] [2024-11-19 11:10:02,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257957943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:10:02,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139387582] [2024-11-19 11:10:02,891 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 11:10:02,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:02,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:10:02,892 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:10:02,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 11:10:02,973 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 11:10:02,973 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 11:10:02,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-19 11:10:02,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:10:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 855 proven. 864 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-11-19 11:10:03,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:10:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 855 proven. 1242 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-19 11:10:16,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139387582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:10:16,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:10:16,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 57] total 83 [2024-11-19 11:10:16,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688336959] [2024-11-19 11:10:16,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:10:16,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-11-19 11:10:16,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:10:16,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-11-19 11:10:16,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1070, Invalid=5736, Unknown=0, NotChecked=0, Total=6806 [2024-11-19 11:10:16,702 INFO L87 Difference]: Start difference. First operand 389 states and 409 transitions. Second operand has 83 states, 81 states have (on average 2.740740740740741) internal successors, (222), 59 states have internal predecessors, (222), 41 states have call successors, (41), 25 states have call predecessors, (41), 15 states have return successors, (30), 15 states have call predecessors, (30), 17 states have call successors, (30) [2024-11-19 11:10:17,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:10:17,172 INFO L93 Difference]: Finished difference Result 396 states and 431 transitions. [2024-11-19 11:10:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-19 11:10:17,173 INFO L78 Accepts]: Start accepts. Automaton has has 83 states, 81 states have (on average 2.740740740740741) internal successors, (222), 59 states have internal predecessors, (222), 41 states have call successors, (41), 25 states have call predecessors, (41), 15 states have return successors, (30), 15 states have call predecessors, (30), 17 states have call successors, (30) Word has length 210 [2024-11-19 11:10:17,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:10:17,174 INFO L225 Difference]: With dead ends: 396 [2024-11-19 11:10:17,174 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 11:10:17,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 379 SyntacticMatches, 15 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3903 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1900, Invalid=7412, Unknown=0, NotChecked=0, Total=9312 [2024-11-19 11:10:17,179 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 60 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:10:17,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 104 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:10:17,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 11:10:17,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 11:10:17,180 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) [2024-11-19 11:10:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 11:10:17,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2024-11-19 11:10:17,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:10:17,181 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 11:10:17,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 81 states have (on average 2.740740740740741) internal successors, (222), 59 states have internal predecessors, (222), 41 states have call successors, (41), 25 states have call predecessors, (41), 15 states have return successors, (30), 15 states have call predecessors, (30), 17 states have call successors, (30) [2024-11-19 11:10:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 11:10:17,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 11:10:17,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-19 11:10:17,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-19 11:10:17,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-19 11:10:17,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-19 11:10:17,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 11:10:17,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:10:17,388 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2024-11-19 11:10:17,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 11:10:18,385 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 11:10:18,429 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-19 11:10:18,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:10:18 BoogieIcfgContainer [2024-11-19 11:10:18,436 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 11:10:18,437 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 11:10:18,437 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 11:10:18,437 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 11:10:18,438 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:09:52" (3/4) ... [2024-11-19 11:10:18,440 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 11:10:18,444 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-11-19 11:10:18,447 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 11:10:18,448 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 11:10:18,448 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 11:10:18,448 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 11:10:18,530 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 11:10:18,531 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 11:10:18,531 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 11:10:18,531 INFO L158 Benchmark]: Toolchain (without parser) took 26407.07ms. Allocated memory was 125.8MB in the beginning and 327.2MB in the end (delta: 201.3MB). Free memory was 56.2MB in the beginning and 136.6MB in the end (delta: -80.4MB). Peak memory consumption was 123.3MB. Max. memory is 16.1GB. [2024-11-19 11:10:18,531 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 125.8MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:10:18,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.88ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 56.0MB in the beginning and 144.3MB in the end (delta: -88.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-19 11:10:18,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.65ms. Allocated memory is still 178.3MB. Free memory was 144.3MB in the beginning and 143.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:10:18,532 INFO L158 Benchmark]: Boogie Preprocessor took 23.27ms. Allocated memory is still 178.3MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:10:18,533 INFO L158 Benchmark]: RCFGBuilder took 290.96ms. Allocated memory is still 178.3MB. Free memory was 141.1MB in the beginning and 130.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 11:10:18,533 INFO L158 Benchmark]: TraceAbstraction took 25705.44ms. Allocated memory was 178.3MB in the beginning and 327.2MB in the end (delta: 148.9MB). Free memory was 129.6MB in the beginning and 140.8MB in the end (delta: -11.1MB). Peak memory consumption was 137.7MB. Max. memory is 16.1GB. [2024-11-19 11:10:18,534 INFO L158 Benchmark]: Witness Printer took 93.99ms. Allocated memory is still 327.2MB. Free memory was 140.8MB in the beginning and 136.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 11:10:18,535 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 125.8MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.88ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 56.0MB in the beginning and 144.3MB in the end (delta: -88.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.65ms. Allocated memory is still 178.3MB. Free memory was 144.3MB in the beginning and 143.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.27ms. Allocated memory is still 178.3MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.96ms. Allocated memory is still 178.3MB. Free memory was 141.1MB in the beginning and 130.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 25705.44ms. Allocated memory was 178.3MB in the beginning and 327.2MB in the end (delta: 148.9MB). Free memory was 129.6MB in the beginning and 140.8MB in the end (delta: -11.1MB). Peak memory consumption was 137.7MB. Max. memory is 16.1GB. * Witness Printer took 93.99ms. Allocated memory is still 327.2MB. Free memory was 140.8MB in the beginning and 136.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.6s, OverallIterations: 11, TraceHistogramMax: 27, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 997 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 991 mSDsluCounter, 1521 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1285 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1783 IncrementalHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 236 mSDtfsCounter, 1783 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1193 GetRequests, 883 SyntacticMatches, 17 SemanticMatches, 293 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5431 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=10, InterpolantAutomatonStates: 177, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 47 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 1062 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1540 ConstructedInterpolants, 0 QuantifiedInterpolants, 4128 SizeOfPredicates, 49 NumberOfNonLiveVariables, 859 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 25 InterpolantComputations, 4 PerfectInterpolantSequences, 5197/9553 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 4 specifications checked. All of them hold - ProcedureContractResult [Line: 6]: Procedure Contract for id Derived contract for procedure id. Requires: ((((x == 0) || ((x <= 10) && (3 <= x))) || (x == 1)) || (x == 2)) Ensures: ((((x == 0) || ((x <= 10) && (3 <= x))) || (x == 1)) || (x == 2)) RESULT: Ultimate proved your program to be correct! [2024-11-19 11:10:18,568 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