./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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_i15_o15-1.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 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:14:17,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:14:17,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:14:17,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:14:17,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:14:17,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:14:17,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:14:17,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:14:17,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:14:17,199 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:14:17,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:14:17,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:14:17,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:14:17,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:14:17,203 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:14:17,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:14:17,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:14:17,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:14:17,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:14:17,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:14:17,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:14:17,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:14:17,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:14:17,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:14:17,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:14:17,207 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:14:17,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:14:17,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:14:17,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:14:17,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:14:17,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:14:17,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:14:17,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:14:17,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:14:17,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:14:17,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:14:17,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:14:17,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:14:17,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:14:17,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:14:17,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:14:17,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:14:17,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:14:17,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:14:17,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 [2024-11-09 12:14:17,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:14:17,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:14:17,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:14:17,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:14:17,513 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:14:17,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2024-11-09 12:14:18,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:14:19,139 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:14:19,140 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2024-11-09 12:14:19,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5895d17f/78f1fa551a4642e899b2eafe2b9dfa69/FLAG6237863b1 [2024-11-09 12:14:19,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5895d17f/78f1fa551a4642e899b2eafe2b9dfa69 [2024-11-09 12:14:19,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:14:19,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:14:19,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:14:19,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:14:19,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:14:19,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4566d0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19, skipping insertion in model container [2024-11-09 12:14:19,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:14:19,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:14:19,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:14:19,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:14:19,755 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:14:19,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19 WrapperNode [2024-11-09 12:14:19,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:14:19,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:14:19,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:14:19,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:14:19,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,787 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-11-09 12:14:19,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:14:19,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:14:19,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:14:19,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:14:19,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,802 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,816 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]. [2024-11-09 12:14:19,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:14:19,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:14:19,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:14:19,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:14:19,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (1/1) ... [2024-11-09 12:14:19,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:14:19,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:19,861 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) [2024-11-09 12:14:19,871 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 [2024-11-09 12:14:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:14:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:14:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:14:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:14:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-09 12:14:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-09 12:14:19,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:14:19,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:14:20,103 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-09 12:14:20,103 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:14:20,121 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:14:20,121 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 12:14:20,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:20 BoogieIcfgContainer [2024-11-09 12:14:20,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:14:20,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:14:20,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:14:20,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:14:20,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:14:19" (1/3) ... [2024-11-09 12:14:20,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492a4793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:14:20, skipping insertion in model container [2024-11-09 12:14:20,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:19" (2/3) ... [2024-11-09 12:14:20,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492a4793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:14:20, skipping insertion in model container [2024-11-09 12:14:20,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:20" (3/3) ... [2024-11-09 12:14:20,138 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i15_o15-1.c [2024-11-09 12:14:20,153 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:14:20,153 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 12:14:20,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:14:20,215 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;@5ec88498, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:14:20,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 12:14:20,219 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) [2024-11-09 12:14:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:14:20,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:20,226 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:14:20,227 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:20,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:20,232 INFO L85 PathProgramCache]: Analyzing trace with hash 890350836, now seen corresponding path program 1 times [2024-11-09 12:14:20,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:20,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305590689] [2024-11-09 12:14:20,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:20,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:20,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:20,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:20,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305590689] [2024-11-09 12:14:20,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305590689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:14:20,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:14:20,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:14:20,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110457278] [2024-11-09 12:14:20,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:14:20,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:14:20,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:20,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:14:20,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:14:20,607 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) [2024-11-09 12:14:20,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:20,711 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2024-11-09 12:14:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:14:20,718 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 [2024-11-09 12:14:20,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:20,725 INFO L225 Difference]: With dead ends: 46 [2024-11-09 12:14:20,725 INFO L226 Difference]: Without dead ends: 27 [2024-11-09 12:14:20,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:14:20,732 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:20,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 69 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:14:20,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-09 12:14:20,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-11-09 12:14:20,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 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) [2024-11-09 12:14:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-09 12:14:20,766 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 6 [2024-11-09 12:14:20,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:20,766 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-09 12:14:20,767 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) [2024-11-09 12:14:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-09 12:14:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 12:14:20,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:20,768 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:14:20,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:14:20,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:20,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:20,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1922931507, now seen corresponding path program 1 times [2024-11-09 12:14:20,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:20,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609814483] [2024-11-09 12:14:20,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:20,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:20,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:20,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609814483] [2024-11-09 12:14:20,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609814483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:20,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817977234] [2024-11-09 12:14:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:20,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:20,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:20,956 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) [2024-11-09 12:14:20,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:14:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:21,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:14:21,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:21,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:21,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:14:21,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:21,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817977234] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:14:21,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:14:21,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-09 12:14:21,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569372595] [2024-11-09 12:14:21,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:14:21,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 12:14:21,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:21,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 12:14:21,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:14:21,226 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 15 states, 11 states have (on average 2.0) internal successors, (22), 10 states have internal predecessors, (22), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:21,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:21,420 INFO L93 Difference]: Finished difference Result 80 states and 86 transitions. [2024-11-09 12:14:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:14:21,421 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 2.0) internal successors, (22), 10 states have internal predecessors, (22), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 12:14:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:21,424 INFO L225 Difference]: With dead ends: 80 [2024-11-09 12:14:21,424 INFO L226 Difference]: Without dead ends: 72 [2024-11-09 12:14:21,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-09 12:14:21,426 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 120 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:21,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 101 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:14:21,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-09 12:14:21,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 55. [2024-11-09 12:14:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 44 states have internal predecessors, (58), 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) [2024-11-09 12:14:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2024-11-09 12:14:21,440 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 11 [2024-11-09 12:14:21,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:21,441 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2024-11-09 12:14:21,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 2.0) internal successors, (22), 10 states have internal predecessors, (22), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:21,441 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2024-11-09 12:14:21,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 12:14:21,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:21,442 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 12:14:21,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:14:21,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:21,648 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:21,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:21,649 INFO L85 PathProgramCache]: Analyzing trace with hash -518665372, now seen corresponding path program 1 times [2024-11-09 12:14:21,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:21,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777668915] [2024-11-09 12:14:21,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:21,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:21,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:21,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777668915] [2024-11-09 12:14:21,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777668915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:21,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486539970] [2024-11-09 12:14:21,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:21,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:21,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:21,764 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) [2024-11-09 12:14:21,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:14:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:21,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:14:21,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:21,852 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:14:21,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486539970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:14:21,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:14:21,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-11-09 12:14:21,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723768544] [2024-11-09 12:14:21,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:14:21,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:14:21,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:21,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:14:21,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:14:21,854 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:21,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:21,928 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions. [2024-11-09 12:14:21,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:14:21,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 12:14:21,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:21,931 INFO L225 Difference]: With dead ends: 63 [2024-11-09 12:14:21,931 INFO L226 Difference]: Without dead ends: 62 [2024-11-09 12:14:21,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:14:21,933 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 37 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:21,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 37 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:14:21,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-09 12:14:21,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2024-11-09 12:14:21,948 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) [2024-11-09 12:14:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2024-11-09 12:14:21,951 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 12 [2024-11-09 12:14:21,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:21,952 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2024-11-09 12:14:21,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:21,952 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2024-11-09 12:14:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 12:14:21,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:21,954 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:14:21,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 12:14:22,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 12:14:22,159 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:22,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:22,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1856245274, now seen corresponding path program 1 times [2024-11-09 12:14:22,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:22,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109538573] [2024-11-09 12:14:22,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:22,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 12:14:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 12:14:22,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:22,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109538573] [2024-11-09 12:14:22,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109538573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:14:22,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:14:22,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:14:22,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570433104] [2024-11-09 12:14:22,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:14:22,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:14:22,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:22,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:14:22,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:14:22,256 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) [2024-11-09 12:14:22,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:22,285 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2024-11-09 12:14:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:14:22,286 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 [2024-11-09 12:14:22,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:22,287 INFO L225 Difference]: With dead ends: 74 [2024-11-09 12:14:22,287 INFO L226 Difference]: Without dead ends: 72 [2024-11-09 12:14:22,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:14:22,289 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 [2024-11-09 12:14:22,289 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] [2024-11-09 12:14:22,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-09 12:14:22,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-09 12:14:22,300 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) [2024-11-09 12:14:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2024-11-09 12:14:22,302 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 19 [2024-11-09 12:14:22,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:22,303 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2024-11-09 12:14:22,303 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) [2024-11-09 12:14:22,303 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2024-11-09 12:14:22,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 12:14:22,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:22,304 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:14:22,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:14:22,305 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:22,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:22,305 INFO L85 PathProgramCache]: Analyzing trace with hash -614066819, now seen corresponding path program 1 times [2024-11-09 12:14:22,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:22,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163754261] [2024-11-09 12:14:22,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:22,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:22,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:14:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:22,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:14:22,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:22,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163754261] [2024-11-09 12:14:22,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163754261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:14:22,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:14:22,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:14:22,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712518374] [2024-11-09 12:14:22,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:14:22,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:14:22,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:22,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:14:22,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:14:22,379 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) [2024-11-09 12:14:22,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:22,393 INFO L93 Difference]: Finished difference Result 72 states and 84 transitions. [2024-11-09 12:14:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:14:22,413 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 [2024-11-09 12:14:22,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:22,415 INFO L225 Difference]: With dead ends: 72 [2024-11-09 12:14:22,415 INFO L226 Difference]: Without dead ends: 71 [2024-11-09 12:14:22,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:14:22,416 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 [2024-11-09 12:14:22,417 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] [2024-11-09 12:14:22,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-09 12:14:22,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-09 12:14:22,438 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) [2024-11-09 12:14:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2024-11-09 12:14:22,443 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 24 [2024-11-09 12:14:22,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:22,444 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2024-11-09 12:14:22,444 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) [2024-11-09 12:14:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2024-11-09 12:14:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 12:14:22,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:22,445 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-09 12:14:22,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:14:22,445 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:22,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:22,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1990585420, now seen corresponding path program 2 times [2024-11-09 12:14:22,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:22,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343644591] [2024-11-09 12:14:22,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:22,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:22,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:22,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343644591] [2024-11-09 12:14:22,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343644591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:22,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422027391] [2024-11-09 12:14:22,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:14:22,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:22,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:22,647 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) [2024-11-09 12:14:22,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:14:22,687 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:14:22,687 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:14:22,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:14:22,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:22,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:14:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:23,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422027391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:14:23,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:14:23,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2024-11-09 12:14:23,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885146966] [2024-11-09 12:14:23,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:14:23,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 12:14:23,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:23,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 12:14:23,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-11-09 12:14:23,009 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 27 states, 23 states have (on average 2.0) internal successors, (46), 16 states have internal predecessors, (46), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:23,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:23,373 INFO L93 Difference]: Finished difference Result 188 states and 204 transitions. [2024-11-09 12:14:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 12:14:23,373 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 2.0) internal successors, (46), 16 states have internal predecessors, (46), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-09 12:14:23,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:23,375 INFO L225 Difference]: With dead ends: 188 [2024-11-09 12:14:23,375 INFO L226 Difference]: Without dead ends: 156 [2024-11-09 12:14:23,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 12:14:23,377 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 256 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:23,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 243 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:14:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-09 12:14:23,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2024-11-09 12:14:23,392 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) [2024-11-09 12:14:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 163 transitions. [2024-11-09 12:14:23,393 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 163 transitions. Word has length 26 [2024-11-09 12:14:23,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:23,393 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 163 transitions. [2024-11-09 12:14:23,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 2.0) internal successors, (46), 16 states have internal predecessors, (46), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2024-11-09 12:14:23,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 12:14:23,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:23,395 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 12:14:23,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:14:23,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:23,600 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:23,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:23,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1350016289, now seen corresponding path program 1 times [2024-11-09 12:14:23,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:23,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061485620] [2024-11-09 12:14:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:23,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:23,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 12:14:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:23,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 12:14:23,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:23,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061485620] [2024-11-09 12:14:23,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061485620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:23,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098007630] [2024-11-09 12:14:23,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:23,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:23,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:23,766 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) [2024-11-09 12:14:23,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:14:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:23,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:14:23,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 12:14:23,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:14:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 12:14:24,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098007630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:14:24,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:14:24,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-11-09 12:14:24,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473469396] [2024-11-09 12:14:24,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:14:24,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-09 12:14:24,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:24,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-09 12:14:24,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:14:24,386 INFO L87 Difference]: Start difference. First operand 146 states and 163 transitions. Second operand has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 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) [2024-11-09 12:14:24,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:24,770 INFO L93 Difference]: Finished difference Result 208 states and 227 transitions. [2024-11-09 12:14:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 12:14:24,770 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 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 [2024-11-09 12:14:24,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:24,772 INFO L225 Difference]: With dead ends: 208 [2024-11-09 12:14:24,772 INFO L226 Difference]: Without dead ends: 142 [2024-11-09 12:14:24,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 12:14:24,774 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 219 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:24,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 320 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:14:24,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-09 12:14:24,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 134. [2024-11-09 12:14:24,793 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) [2024-11-09 12:14:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 147 transitions. [2024-11-09 12:14:24,799 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 147 transitions. Word has length 40 [2024-11-09 12:14:24,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:24,799 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 147 transitions. [2024-11-09 12:14:24,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 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) [2024-11-09 12:14:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2024-11-09 12:14:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 12:14:24,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:24,801 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-09 12:14:24,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 12:14:25,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:25,002 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:25,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:25,002 INFO L85 PathProgramCache]: Analyzing trace with hash -91829804, now seen corresponding path program 3 times [2024-11-09 12:14:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:25,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153188832] [2024-11-09 12:14:25,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:25,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:25,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:25,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153188832] [2024-11-09 12:14:25,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153188832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:25,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387267906] [2024-11-09 12:14:25,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:14:25,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:25,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:25,480 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) [2024-11-09 12:14:25,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:14:25,534 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-09 12:14:25,535 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:14:25,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 12:14:25,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:25,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:14:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:26,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387267906] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:14:26,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:14:26,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 50 [2024-11-09 12:14:26,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395999237] [2024-11-09 12:14:26,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:14:26,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-09 12:14:26,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:26,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-09 12:14:26,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=608, Invalid=1942, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 12:14:26,277 INFO L87 Difference]: Start difference. First operand 134 states and 147 transitions. Second operand has 51 states, 47 states have (on average 2.0) internal successors, (94), 28 states have internal predecessors, (94), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:27,086 INFO L93 Difference]: Finished difference Result 438 states and 470 transitions. [2024-11-09 12:14:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-09 12:14:27,088 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 47 states have (on average 2.0) internal successors, (94), 28 states have internal predecessors, (94), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-09 12:14:27,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:27,093 INFO L225 Difference]: With dead ends: 438 [2024-11-09 12:14:27,093 INFO L226 Difference]: Without dead ends: 386 [2024-11-09 12:14:27,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1391, Invalid=3865, Unknown=0, NotChecked=0, Total=5256 [2024-11-09 12:14:27,097 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 728 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:27,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 642 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:14:27,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-09 12:14:27,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 364. [2024-11-09 12:14:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 291 states have (on average 1.120274914089347) internal successors, (326), 290 states have internal predecessors, (326), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50) [2024-11-09 12:14:27,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 400 transitions. [2024-11-09 12:14:27,129 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 400 transitions. Word has length 56 [2024-11-09 12:14:27,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:27,130 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 400 transitions. [2024-11-09 12:14:27,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 47 states have (on average 2.0) internal successors, (94), 28 states have internal predecessors, (94), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 400 transitions. [2024-11-09 12:14:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 12:14:27,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:27,132 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-09 12:14:27,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:14:27,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:27,337 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:27,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:27,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1351701622, now seen corresponding path program 2 times [2024-11-09 12:14:27,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:27,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113235086] [2024-11-09 12:14:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:27,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:27,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 12:14:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:27,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:27,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 299 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 12:14:27,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:27,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113235086] [2024-11-09 12:14:27,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113235086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:27,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096313057] [2024-11-09 12:14:27,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:14:27,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:27,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:27,836 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) [2024-11-09 12:14:27,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:14:27,884 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:14:27,884 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:14:27,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 12:14:27,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 297 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 12:14:28,079 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:14:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 303 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 12:14:28,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096313057] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:14:28,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:14:28,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 41 [2024-11-09 12:14:28,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645763617] [2024-11-09 12:14:28,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:14:28,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-09 12:14:28,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:28,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-09 12:14:28,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1336, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 12:14:28,712 INFO L87 Difference]: Start difference. First operand 364 states and 400 transitions. Second operand has 41 states, 38 states have (on average 2.3684210526315788) internal successors, (90), 28 states have internal predecessors, (90), 20 states have call successors, (21), 14 states have call predecessors, (21), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-09 12:14:29,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:29,211 INFO L93 Difference]: Finished difference Result 457 states and 492 transitions. [2024-11-09 12:14:29,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 12:14:29,212 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 38 states have (on average 2.3684210526315788) internal successors, (90), 28 states have internal predecessors, (90), 20 states have call successors, (21), 14 states have call predecessors, (21), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 75 [2024-11-09 12:14:29,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:29,215 INFO L225 Difference]: With dead ends: 457 [2024-11-09 12:14:29,215 INFO L226 Difference]: Without dead ends: 356 [2024-11-09 12:14:29,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 124 SyntacticMatches, 15 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=644, Invalid=2326, Unknown=0, NotChecked=0, Total=2970 [2024-11-09 12:14:29,218 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 255 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:29,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 764 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:14:29,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-09 12:14:29,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 324. [2024-11-09 12:14:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.1196911196911197) internal successors, (290), 258 states have internal predecessors, (290), 24 states have call successors, (24), 23 states have call predecessors, (24), 39 states have return successors, (42), 42 states have call predecessors, (42), 23 states have call successors, (42) [2024-11-09 12:14:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 356 transitions. [2024-11-09 12:14:29,248 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 356 transitions. Word has length 75 [2024-11-09 12:14:29,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:29,248 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 356 transitions. [2024-11-09 12:14:29,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 38 states have (on average 2.3684210526315788) internal successors, (90), 28 states have internal predecessors, (90), 20 states have call successors, (21), 14 states have call predecessors, (21), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-09 12:14:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 356 transitions. [2024-11-09 12:14:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 12:14:29,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:29,251 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-09 12:14:29,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:14:29,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:29,455 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:29,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:29,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1206835786, now seen corresponding path program 3 times [2024-11-09 12:14:29,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:29,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638861862] [2024-11-09 12:14:29,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:29,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:29,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 12:14:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-09 12:14:29,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:29,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638861862] [2024-11-09 12:14:29,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638861862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:29,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175746252] [2024-11-09 12:14:29,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:14:29,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:29,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:29,633 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) [2024-11-09 12:14:29,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:14:29,678 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 12:14:29,679 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:14:29,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:14:29,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-09 12:14:29,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:14:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-09 12:14:29,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175746252] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:14:29,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:14:29,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-09 12:14:29,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615822303] [2024-11-09 12:14:29,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:14:29,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 12:14:29,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:29,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 12:14:29,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:14:29,882 INFO L87 Difference]: Start difference. First operand 324 states and 356 transitions. Second operand has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 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) [2024-11-09 12:14:30,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:30,044 INFO L93 Difference]: Finished difference Result 567 states and 652 transitions. [2024-11-09 12:14:30,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:14:30,045 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 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 95 [2024-11-09 12:14:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:30,050 INFO L225 Difference]: With dead ends: 567 [2024-11-09 12:14:30,051 INFO L226 Difference]: Without dead ends: 566 [2024-11-09 12:14:30,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2024-11-09 12:14:30,053 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 31 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:30,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 44 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:14:30,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-09 12:14:30,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2024-11-09 12:14:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 455 states have (on average 1.0681318681318681) internal successors, (486), 450 states have internal predecessors, (486), 24 states have call successors, (24), 23 states have call predecessors, (24), 85 states have return successors, (92), 92 states have call predecessors, (92), 23 states have call successors, (92) [2024-11-09 12:14:30,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 602 transitions. [2024-11-09 12:14:30,091 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 602 transitions. Word has length 95 [2024-11-09 12:14:30,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:30,092 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 602 transitions. [2024-11-09 12:14:30,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 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) [2024-11-09 12:14:30,092 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 602 transitions. [2024-11-09 12:14:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 12:14:30,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:30,096 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-09 12:14:30,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:14:30,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:30,297 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:30,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:30,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1473917420, now seen corresponding path program 4 times [2024-11-09 12:14:30,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:30,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689047909] [2024-11-09 12:14:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:30,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:31,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:31,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689047909] [2024-11-09 12:14:31,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689047909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:31,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039464521] [2024-11-09 12:14:31,506 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 12:14:31,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:31,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:31,508 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:14:31,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:14:31,573 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 12:14:31,573 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:14:31,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 12:14:31,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:31,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:31,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:14:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:14:33,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039464521] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:14:33,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:14:33,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 98 [2024-11-09 12:14:33,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527200519] [2024-11-09 12:14:33,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:14:33,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-11-09 12:14:33,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:33,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-11-09 12:14:33,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2360, Invalid=7342, Unknown=0, NotChecked=0, Total=9702 [2024-11-09 12:14:33,669 INFO L87 Difference]: Start difference. First operand 566 states and 602 transitions. Second operand has 99 states, 95 states have (on average 2.0) internal successors, (190), 52 states have internal predecessors, (190), 48 states have call successors, (48), 47 states have call predecessors, (48), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:34,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:34,230 INFO L93 Difference]: Finished difference Result 581 states and 602 transitions. [2024-11-09 12:14:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-09 12:14:34,231 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 95 states have (on average 2.0) internal successors, (190), 52 states have internal predecessors, (190), 48 states have call successors, (48), 47 states have call predecessors, (48), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-09 12:14:34,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:34,234 INFO L225 Difference]: With dead ends: 581 [2024-11-09 12:14:34,235 INFO L226 Difference]: Without dead ends: 580 [2024-11-09 12:14:34,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3218 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3827, Invalid=9513, Unknown=0, NotChecked=0, Total=13340 [2024-11-09 12:14:34,239 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 460 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:34,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 572 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:14:34,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-09 12:14:34,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 565. [2024-11-09 12:14:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 455 states have (on average 1.065934065934066) internal successors, (485), 449 states have internal predecessors, (485), 24 states have call successors, (24), 23 states have call predecessors, (24), 85 states have return successors, (92), 92 states have call predecessors, (92), 23 states have call successors, (92) [2024-11-09 12:14:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 601 transitions. [2024-11-09 12:14:34,278 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 601 transitions. Word has length 116 [2024-11-09 12:14:34,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:34,278 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 601 transitions. [2024-11-09 12:14:34,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 95 states have (on average 2.0) internal successors, (190), 52 states have internal predecessors, (190), 48 states have call successors, (48), 47 states have call predecessors, (48), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:14:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 601 transitions. [2024-11-09 12:14:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 12:14:34,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:34,280 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2024-11-09 12:14:34,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 12:14:34,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 12:14:34,485 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:34,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:34,486 INFO L85 PathProgramCache]: Analyzing trace with hash -881040522, now seen corresponding path program 4 times [2024-11-09 12:14:34,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:34,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052114163] [2024-11-09 12:14:34,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:34,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 12:14:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:34,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:34,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:34,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:34,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 15 proven. 105 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-09 12:14:34,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:34,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052114163] [2024-11-09 12:14:34,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052114163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:34,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158813844] [2024-11-09 12:14:34,960 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 12:14:34,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:34,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:34,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:14:34,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:14:35,026 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 12:14:35,026 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:14:35,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 12:14:35,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-09 12:14:35,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:14:36,305 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-09 12:14:36,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158813844] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:14:36,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:14:36,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-11-09 12:14:36,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348525184] [2024-11-09 12:14:36,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:14:36,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 12:14:36,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:36,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 12:14:36,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 12:14:36,308 INFO L87 Difference]: Start difference. First operand 565 states and 601 transitions. Second operand has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 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) [2024-11-09 12:14:36,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:36,628 INFO L93 Difference]: Finished difference Result 1290 states and 1481 transitions. [2024-11-09 12:14:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 12:14:36,629 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 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 115 [2024-11-09 12:14:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:36,635 INFO L225 Difference]: With dead ends: 1290 [2024-11-09 12:14:36,635 INFO L226 Difference]: Without dead ends: 1289 [2024-11-09 12:14:36,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2024-11-09 12:14:36,637 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 63 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:36,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 57 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:14:36,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-11-09 12:14:36,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2024-11-09 12:14:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1039 states have (on average 1.0288739172281038) internal successors, (1069), 1025 states have internal predecessors, (1069), 24 states have call successors, (24), 23 states have call predecessors, (24), 225 states have return successors, (240), 240 states have call predecessors, (240), 23 states have call successors, (240) [2024-11-09 12:14:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1333 transitions. [2024-11-09 12:14:36,708 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1333 transitions. Word has length 115 [2024-11-09 12:14:36,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:36,708 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1333 transitions. [2024-11-09 12:14:36,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 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) [2024-11-09 12:14:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1333 transitions. [2024-11-09 12:14:36,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 12:14:36,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:36,713 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 15, 15, 14, 1, 1, 1, 1, 1] [2024-11-09 12:14:36,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 12:14:36,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:36,918 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:36,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:36,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1888895242, now seen corresponding path program 5 times [2024-11-09 12:14:36,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:36,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338704450] [2024-11-09 12:14:36,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:36,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:37,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 12:14:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:37,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:37,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:37,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:37,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 15 proven. 525 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-09 12:14:38,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:14:38,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338704450] [2024-11-09 12:14:38,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338704450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:14:38,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99626340] [2024-11-09 12:14:38,725 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 12:14:38,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:14:38,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:14:38,728 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:14:38,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:14:38,826 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-09 12:14:38,826 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:14:38,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 12:14:38,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:14:38,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-09 12:14:38,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:14:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-09 12:14:49,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99626340] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:14:49,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:14:49,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64 [2024-11-09 12:14:49,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516116516] [2024-11-09 12:14:49,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:14:49,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-09 12:14:49,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:14:49,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-09 12:14:49,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2024-11-09 12:14:49,998 INFO L87 Difference]: Start difference. First operand 1289 states and 1333 transitions. Second operand has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-09 12:14:50,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:14:50,925 INFO L93 Difference]: Finished difference Result 3098 states and 3509 transitions. [2024-11-09 12:14:50,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 12:14:50,926 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 155 [2024-11-09 12:14:50,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:14:50,934 INFO L225 Difference]: With dead ends: 3098 [2024-11-09 12:14:50,934 INFO L226 Difference]: Without dead ends: 1495 [2024-11-09 12:14:50,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6317 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2976, Invalid=12276, Unknown=0, NotChecked=0, Total=15252 [2024-11-09 12:14:50,943 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 127 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:14:50,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 105 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:14:50,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2024-11-09 12:14:51,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1495. [2024-11-09 12:14:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1495 states, 1208 states have (on average 1.0190397350993377) internal successors, (1231), 1187 states have internal predecessors, (1231), 24 states have call successors, (24), 23 states have call predecessors, (24), 262 states have return successors, (284), 284 states have call predecessors, (284), 23 states have call successors, (284) [2024-11-09 12:14:51,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1539 transitions. [2024-11-09 12:14:51,051 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1539 transitions. Word has length 155 [2024-11-09 12:14:51,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:14:51,055 INFO L471 AbstractCegarLoop]: Abstraction has 1495 states and 1539 transitions. [2024-11-09 12:14:51,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-09 12:14:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1539 transitions. [2024-11-09 12:14:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-09 12:14:51,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:14:51,082 INFO L215 NwaCegarLoop]: trace histogram [55, 54, 54, 54, 54, 31, 31, 31, 31, 30, 1, 1, 1, 1, 1] [2024-11-09 12:14:51,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:14:51,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 12:14:51,284 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 12:14:51,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:14:51,285 INFO L85 PathProgramCache]: Analyzing trace with hash 653643575, now seen corresponding path program 6 times [2024-11-09 12:14:51,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:14:51,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359106505] [2024-11-09 12:14:51,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:14:51,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:14:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:52,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 12:14:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:53,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:53,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:54,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:54,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:55,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:55,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:56,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:56,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:57,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:57,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:58,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:58,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:59,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:59,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:59,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:59,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:14:59,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:14:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:15:00,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:15:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:15:00,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:15:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:15:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:15:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:15:00,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:15:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:15:00,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:15:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:15:00,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:15:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:15:00,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 12:15:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:15:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 54 proven. 2325 refuted. 0 times theorem prover too weak. 7209 trivial. 0 not checked. [2024-11-09 12:15:00,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:15:00,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359106505] [2024-11-09 12:15:00,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359106505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:15:00,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127100627] [2024-11-09 12:15:00,664 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 12:15:00,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:15:00,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:15:00,666 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:15:00,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:15:01,001 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2024-11-09 12:15:01,001 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:15:01,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-09 12:15:01,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:15:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 3003 proven. 555 refuted. 0 times theorem prover too weak. 6030 trivial. 0 not checked. [2024-11-09 12:15:02,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:15:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 751 proven. 4203 refuted. 0 times theorem prover too weak. 4634 trivial. 0 not checked. [2024-11-09 12:15:03,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127100627] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:15:03,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:15:03,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 35, 35] total 98 [2024-11-09 12:15:03,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172657683] [2024-11-09 12:15:03,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:15:03,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-11-09 12:15:03,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:15:03,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-11-09 12:15:03,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1124, Invalid=8382, Unknown=0, NotChecked=0, Total=9506 [2024-11-09 12:15:03,394 INFO L87 Difference]: Start difference. First operand 1495 states and 1539 transitions. Second operand has 98 states, 97 states have (on average 2.1649484536082473) internal successors, (210), 82 states have internal predecessors, (210), 18 states have call successors, (20), 18 states have call predecessors, (20), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 12:15:04,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:15:04,626 INFO L93 Difference]: Finished difference Result 1495 states and 1539 transitions. [2024-11-09 12:15:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 12:15:04,627 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 97 states have (on average 2.1649484536082473) internal successors, (210), 82 states have internal predecessors, (210), 18 states have call successors, (20), 18 states have call predecessors, (20), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) Word has length 430 [2024-11-09 12:15:04,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:15:04,628 INFO L225 Difference]: With dead ends: 1495 [2024-11-09 12:15:04,628 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 12:15:04,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 999 GetRequests, 887 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4021 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1204, Invalid=11678, Unknown=0, NotChecked=0, Total=12882 [2024-11-09 12:15:04,633 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 106 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 3223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 3223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:15:04,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 132 Invalid, 3223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3223 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 12:15:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 12:15:04,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 12:15:04,634 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) [2024-11-09 12:15:04,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 12:15:04,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2024-11-09 12:15:04,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:15:04,635 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 12:15:04,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 2.1649484536082473) internal successors, (210), 82 states have internal predecessors, (210), 18 states have call successors, (20), 18 states have call predecessors, (20), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-09 12:15:04,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 12:15:04,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 12:15:04,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-09 12:15:04,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-09 12:15:04,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-09 12:15:04,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-09 12:15:04,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:15:04,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 12:15:04,843 INFO L407 BasicCegarLoop]: Path program histogram: [6, 4, 1, 1, 1, 1] [2024-11-09 12:15:04,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 12:15:07,203 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 12:15:07,255 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 12:15:07,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:15:07 BoogieIcfgContainer [2024-11-09 12:15:07,263 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 12:15:07,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 12:15:07,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 12:15:07,264 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 12:15:07,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:20" (3/4) ... [2024-11-09 12:15:07,267 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 12:15:07,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-11-09 12:15:07,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 12:15:07,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 12:15:07,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 12:15:07,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 12:15:07,358 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 12:15:07,358 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 12:15:07,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 12:15:07,359 INFO L158 Benchmark]: Toolchain (without parser) took 47826.88ms. Allocated memory was 159.4MB in the beginning and 1.1GB in the end (delta: 971.0MB). Free memory was 105.0MB in the beginning and 913.9MB in the end (delta: -808.9MB). Peak memory consumption was 163.5MB. Max. memory is 16.1GB. [2024-11-09 12:15:07,359 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 159.4MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:15:07,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.68ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 93.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 12:15:07,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.59ms. Allocated memory is still 159.4MB. Free memory was 92.9MB in the beginning and 91.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:15:07,360 INFO L158 Benchmark]: Boogie Preprocessor took 35.10ms. Allocated memory is still 159.4MB. Free memory was 91.6MB in the beginning and 90.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:15:07,361 INFO L158 Benchmark]: RCFGBuilder took 297.67ms. Allocated memory is still 159.4MB. Free memory was 90.3MB in the beginning and 80.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 12:15:07,361 INFO L158 Benchmark]: TraceAbstraction took 47138.44ms. Allocated memory was 159.4MB in the beginning and 1.1GB in the end (delta: 971.0MB). Free memory was 79.4MB in the beginning and 918.1MB in the end (delta: -838.6MB). Peak memory consumption was 631.8MB. Max. memory is 16.1GB. [2024-11-09 12:15:07,362 INFO L158 Benchmark]: Witness Printer took 94.88ms. Allocated memory is still 1.1GB. Free memory was 918.1MB in the beginning and 913.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 12:15:07,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 159.4MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.68ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 93.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.59ms. Allocated memory is still 159.4MB. Free memory was 92.9MB in the beginning and 91.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.10ms. Allocated memory is still 159.4MB. Free memory was 91.6MB in the beginning and 90.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.67ms. Allocated memory is still 159.4MB. Free memory was 90.3MB in the beginning and 80.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 47138.44ms. Allocated memory was 159.4MB in the beginning and 1.1GB in the end (delta: 971.0MB). Free memory was 79.4MB in the beginning and 918.1MB in the end (delta: -838.6MB). Peak memory consumption was 631.8MB. Max. memory is 16.1GB. * Witness Printer took 94.88ms. Allocated memory is still 1.1GB. Free memory was 918.1MB in the beginning and 913.9MB 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: 44.7s, OverallIterations: 14, TraceHistogramMax: 55, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.1s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2489 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2425 mSDsluCounter, 3150 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2764 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5273 IncrementalHoareTripleChecker+Invalid, 5534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 386 mSDtfsCounter, 5273 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2809 GetRequests, 2128 SyntacticMatches, 17 SemanticMatches, 664 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17980 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1495occurred in iteration=13, InterpolantAutomatonStates: 340, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 114 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 34.6s InterpolantComputationTime, 2311 NumberOfCodeBlocks, 2226 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 3395 ConstructedInterpolants, 0 QuantifiedInterpolants, 7231 SizeOfPredicates, 75 NumberOfNonLiveVariables, 2115 ConjunctsInSsa, 256 ConjunctsInUnsatCore, 35 InterpolantComputations, 4 PerfectInterpolantSequences, 26808/41418 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 == 15) || ((x <= 14) && (0 <= x))) Ensures: (((\result == 0) || (x != 0)) && ((x == 15) || ((x <= 14) && (0 <= x)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 12:15:07,397 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