./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/loop-invgen/id_build.i.v+lhb-reducer.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 2f03a9521f9986f7627623e3bf6c079dbfbe3dc9d9c229ed8d14a2828a7d6850 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:20:11,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:20:11,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:20:11,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:20:11,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:20:11,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:20:11,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:20:11,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:20:11,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:20:11,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:20:11,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:20:11,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:20:11,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:20:11,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:20:11,922 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:20:11,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:20:11,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:20:11,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:20:11,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:20:11,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:20:11,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:20:11,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:20:11,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:20:11,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:20:11,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:20:11,927 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:20:11,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:20:11,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:20:11,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:20:11,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:20:11,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:20:11,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:20:11,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:20:11,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:20:11,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:20:11,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:20:11,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:20:11,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:20:11,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:20:11,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:20:11,929 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:20:11,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:20:11,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:20:11,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:20:11,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f03a9521f9986f7627623e3bf6c079dbfbe3dc9d9c229ed8d14a2828a7d6850 [2024-11-22 22:20:12,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:20:12,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:20:12,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:20:12,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:20:12,143 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:20:12,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-11-22 22:20:13,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:20:13,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:20:13,474 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-11-22 22:20:13,479 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9592f748d/38161e9c1970406f95c54fcb84d5e7f4/FLAG9f7026514 [2024-11-22 22:20:13,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9592f748d/38161e9c1970406f95c54fcb84d5e7f4 [2024-11-22 22:20:13,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:20:13,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:20:13,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:20:13,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:20:13,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:20:13,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc006cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13, skipping insertion in model container [2024-11-22 22:20:13,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:20:13,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:20:13,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:20:13,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:20:13,733 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:20:13,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13 WrapperNode [2024-11-22 22:20:13,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:20:13,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:20:13,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:20:13,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:20:13,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,762 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 86 [2024-11-22 22:20:13,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:20:13,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:20:13,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:20:13,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:20:13,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,787 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]. [2024-11-22 22:20:13,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:20:13,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:20:13,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:20:13,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:20:13,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (1/1) ... [2024-11-22 22:20:13,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:20:13,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:13,828 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) [2024-11-22 22:20:13,832 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 [2024-11-22 22:20:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-22 22:20:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-22 22:20:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:20:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:20:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:20:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:20:13,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:20:13,914 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:20:14,094 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-22 22:20:14,095 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:20:14,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:20:14,110 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 22:20:14,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:20:14 BoogieIcfgContainer [2024-11-22 22:20:14,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:20:14,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:20:14,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:20:14,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:20:14,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:20:13" (1/3) ... [2024-11-22 22:20:14,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a0743d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:20:14, skipping insertion in model container [2024-11-22 22:20:14,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:13" (2/3) ... [2024-11-22 22:20:14,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a0743d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:20:14, skipping insertion in model container [2024-11-22 22:20:14,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:20:14" (3/3) ... [2024-11-22 22:20:14,120 INFO L112 eAbstractionObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-11-22 22:20:14,133 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:20:14,133 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-22 22:20:14,191 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:20:14,197 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;@4bff2bf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:20:14,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-22 22:20:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.7142857142857142) internal successors, (60), 53 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:20:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-22 22:20:14,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:14,208 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-22 22:20:14,208 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:14,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:14,214 INFO L85 PathProgramCache]: Analyzing trace with hash 30603398, now seen corresponding path program 1 times [2024-11-22 22:20:14,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:14,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437168320] [2024-11-22 22:20:14,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:14,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:14,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:14,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437168320] [2024-11-22 22:20:14,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437168320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:14,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:14,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:20:14,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166358018] [2024-11-22 22:20:14,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:14,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:14,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:14,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:14,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:14,430 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.7142857142857142) internal successors, (60), 53 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-22 22:20:14,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:14,584 INFO L93 Difference]: Finished difference Result 101 states and 123 transitions. [2024-11-22 22:20:14,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:20:14,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-22 22:20:14,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:14,592 INFO L225 Difference]: With dead ends: 101 [2024-11-22 22:20:14,592 INFO L226 Difference]: Without dead ends: 73 [2024-11-22 22:20:14,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:14,599 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 99 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:14,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 51 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:14,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-22 22:20:14,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2024-11-22 22:20:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 53 states have (on average 1.509433962264151) internal successors, (80), 67 states have internal predecessors, (80), 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) [2024-11-22 22:20:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2024-11-22 22:20:14,627 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 5 [2024-11-22 22:20:14,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:14,628 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2024-11-22 22:20:14,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-22 22:20:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2024-11-22 22:20:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:20:14,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:14,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:20:14,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:20:14,629 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:14,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:14,629 INFO L85 PathProgramCache]: Analyzing trace with hash 948705383, now seen corresponding path program 1 times [2024-11-22 22:20:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:14,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701065210] [2024-11-22 22:20:14,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:14,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:14,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:14,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701065210] [2024-11-22 22:20:14,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701065210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:14,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:14,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:20:14,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621523311] [2024-11-22 22:20:14,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:14,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:20:14,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:14,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:20:14,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:14,668 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:14,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:14,695 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2024-11-22 22:20:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:20:14,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:20:14,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:14,697 INFO L225 Difference]: With dead ends: 68 [2024-11-22 22:20:14,697 INFO L226 Difference]: Without dead ends: 65 [2024-11-22 22:20:14,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:14,698 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 31 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:14,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 23 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:14,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-22 22:20:14,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-22 22:20:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 64 states have internal predecessors, (74), 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) [2024-11-22 22:20:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2024-11-22 22:20:14,706 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 6 [2024-11-22 22:20:14,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:14,706 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2024-11-22 22:20:14,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2024-11-22 22:20:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-22 22:20:14,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:14,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:14,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:20:14,707 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:14,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1172807817, now seen corresponding path program 1 times [2024-11-22 22:20:14,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:14,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446312928] [2024-11-22 22:20:14,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:14,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:14,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:14,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446312928] [2024-11-22 22:20:14,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446312928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:14,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:14,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:20:14,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537226246] [2024-11-22 22:20:14,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:14,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:20:14,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:14,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:20:14,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:14,751 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-22 22:20:14,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:14,810 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2024-11-22 22:20:14,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:20:14,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-22 22:20:14,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:14,811 INFO L225 Difference]: With dead ends: 70 [2024-11-22 22:20:14,811 INFO L226 Difference]: Without dead ends: 67 [2024-11-22 22:20:14,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:14,813 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 22 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:14,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 38 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:20:14,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-22 22:20:14,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2024-11-22 22:20:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 64 states have internal predecessors, (71), 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) [2024-11-22 22:20:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2024-11-22 22:20:14,817 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 8 [2024-11-22 22:20:14,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:14,817 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2024-11-22 22:20:14,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-22 22:20:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2024-11-22 22:20:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:20:14,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:14,818 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:20:14,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:20:14,818 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:14,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:14,819 INFO L85 PathProgramCache]: Analyzing trace with hash -286062531, now seen corresponding path program 1 times [2024-11-22 22:20:14,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:14,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324743475] [2024-11-22 22:20:14,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:14,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:20:14,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:14,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324743475] [2024-11-22 22:20:14,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324743475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:14,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:14,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:20:14,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463746374] [2024-11-22 22:20:14,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:14,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:20:14,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:14,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:20:14,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:14,856 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:14,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:14,870 INFO L93 Difference]: Finished difference Result 116 states and 128 transitions. [2024-11-22 22:20:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:20:14,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-22 22:20:14,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:14,871 INFO L225 Difference]: With dead ends: 116 [2024-11-22 22:20:14,871 INFO L226 Difference]: Without dead ends: 76 [2024-11-22 22:20:14,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:14,873 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 23 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:14,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 57 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:14,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-22 22:20:14,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2024-11-22 22:20:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 64 states have (on average 1.25) internal successors, (80), 71 states have internal predecessors, (80), 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) [2024-11-22 22:20:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 80 transitions. [2024-11-22 22:20:14,878 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 80 transitions. Word has length 9 [2024-11-22 22:20:14,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:14,878 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 80 transitions. [2024-11-22 22:20:14,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2024-11-22 22:20:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:20:14,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:14,879 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:14,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:20:14,880 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:14,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:14,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1514925947, now seen corresponding path program 1 times [2024-11-22 22:20:14,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:14,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438047800] [2024-11-22 22:20:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:14,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:14,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438047800] [2024-11-22 22:20:14,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438047800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:14,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:14,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:20:14,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926557510] [2024-11-22 22:20:14,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:14,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:14,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:14,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:14,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:14,956 INFO L87 Difference]: Start difference. First operand 72 states and 80 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-22 22:20:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:14,981 INFO L93 Difference]: Finished difference Result 149 states and 164 transitions. [2024-11-22 22:20:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:20:14,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-22 22:20:14,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:14,983 INFO L225 Difference]: With dead ends: 149 [2024-11-22 22:20:14,983 INFO L226 Difference]: Without dead ends: 108 [2024-11-22 22:20:14,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:14,984 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 31 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:14,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 70 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-22 22:20:14,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 100. [2024-11-22 22:20:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 92 states have (on average 1.2391304347826086) internal successors, (114), 99 states have internal predecessors, (114), 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) [2024-11-22 22:20:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2024-11-22 22:20:14,992 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 25 [2024-11-22 22:20:14,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:14,992 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2024-11-22 22:20:14,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-22 22:20:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2024-11-22 22:20:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:20:14,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:14,993 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:14,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:20:14,993 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:14,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:14,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1154437543, now seen corresponding path program 1 times [2024-11-22 22:20:14,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:14,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069432413] [2024-11-22 22:20:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:14,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:15,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:15,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069432413] [2024-11-22 22:20:15,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069432413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:15,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726978253] [2024-11-22 22:20:15,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:15,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:15,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:15,094 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) [2024-11-22 22:20:15,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:20:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:15,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:20:15,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:15,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:20:15,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726978253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:15,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:20:15,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-22 22:20:15,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509061271] [2024-11-22 22:20:15,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:15,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:15,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:15,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:15,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:15,202 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-22 22:20:15,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:15,215 INFO L93 Difference]: Finished difference Result 104 states and 114 transitions. [2024-11-22 22:20:15,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:20:15,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-22 22:20:15,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:15,216 INFO L225 Difference]: With dead ends: 104 [2024-11-22 22:20:15,216 INFO L226 Difference]: Without dead ends: 103 [2024-11-22 22:20:15,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:15,217 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:15,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 63 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:15,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-22 22:20:15,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2024-11-22 22:20:15,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 92 states have (on average 1.1956521739130435) internal successors, (110), 98 states have internal predecessors, (110), 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) [2024-11-22 22:20:15,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 110 transitions. [2024-11-22 22:20:15,222 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 110 transitions. Word has length 30 [2024-11-22 22:20:15,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:15,222 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 110 transitions. [2024-11-22 22:20:15,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-22 22:20:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2024-11-22 22:20:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:20:15,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:15,223 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:15,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:20:15,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-22 22:20:15,427 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:15,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:15,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1844388701, now seen corresponding path program 1 times [2024-11-22 22:20:15,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:15,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364010075] [2024-11-22 22:20:15,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:15,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-22 22:20:15,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:15,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364010075] [2024-11-22 22:20:15,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364010075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:15,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:20:15,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:20:15,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879047039] [2024-11-22 22:20:15,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:15,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:20:15,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:15,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:20:15,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:15,481 INFO L87 Difference]: Start difference. First operand 99 states and 110 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-22 22:20:15,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:15,508 INFO L93 Difference]: Finished difference Result 99 states and 110 transitions. [2024-11-22 22:20:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:20:15,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-22 22:20:15,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:15,509 INFO L225 Difference]: With dead ends: 99 [2024-11-22 22:20:15,510 INFO L226 Difference]: Without dead ends: 97 [2024-11-22 22:20:15,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:20:15,511 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 20 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:15,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 15 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:15,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-22 22:20:15,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-22 22:20:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 92 states have (on average 1.1304347826086956) internal successors, (104), 96 states have internal predecessors, (104), 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) [2024-11-22 22:20:15,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2024-11-22 22:20:15,521 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 39 [2024-11-22 22:20:15,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:15,521 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2024-11-22 22:20:15,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-22 22:20:15,521 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2024-11-22 22:20:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:20:15,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:15,522 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:15,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 22:20:15,522 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:15,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:15,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1341474972, now seen corresponding path program 1 times [2024-11-22 22:20:15,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:15,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917958897] [2024-11-22 22:20:15,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:15,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:15,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:15,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917958897] [2024-11-22 22:20:15,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917958897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:15,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065677120] [2024-11-22 22:20:15,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:15,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:15,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:15,614 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) [2024-11-22 22:20:15,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:20:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:15,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:20:15,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:15,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:15,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065677120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:15,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:15,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-22 22:20:15,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322210129] [2024-11-22 22:20:15,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:15,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:20:15,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:15,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:20:15,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:20:15,773 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2024-11-22 22:20:15,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:15,813 INFO L93 Difference]: Finished difference Result 244 states and 267 transitions. [2024-11-22 22:20:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:20:15,814 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-11-22 22:20:15,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:15,814 INFO L225 Difference]: With dead ends: 244 [2024-11-22 22:20:15,814 INFO L226 Difference]: Without dead ends: 192 [2024-11-22 22:20:15,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:20:15,817 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 64 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:15,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 112 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:15,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-22 22:20:15,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 182. [2024-11-22 22:20:15,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 178 states have (on average 1.0898876404494382) internal successors, (194), 181 states have internal predecessors, (194), 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) [2024-11-22 22:20:15,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 194 transitions. [2024-11-22 22:20:15,828 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 194 transitions. Word has length 40 [2024-11-22 22:20:15,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:15,829 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 194 transitions. [2024-11-22 22:20:15,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2024-11-22 22:20:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 194 transitions. [2024-11-22 22:20:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-22 22:20:15,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:15,831 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:15,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:20:16,033 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,SelfDestructingSolverStorable7 [2024-11-22 22:20:16,034 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:16,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:16,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1912958268, now seen corresponding path program 2 times [2024-11-22 22:20:16,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:16,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54278745] [2024-11-22 22:20:16,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:16,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:16,069 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:20:16,069 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-22 22:20:16,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:16,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54278745] [2024-11-22 22:20:16,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54278745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:16,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780424072] [2024-11-22 22:20:16,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:16,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:16,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:16,174 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) [2024-11-22 22:20:16,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:20:16,235 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:20:16,235 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:16,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:20:16,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 26 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:16,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:16,550 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 26 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:20:16,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780424072] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:16,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:16,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 9, 9] total 12 [2024-11-22 22:20:16,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863457132] [2024-11-22 22:20:16,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:16,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:20:16,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:16,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:20:16,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:20:16,551 INFO L87 Difference]: Start difference. First operand 182 states and 194 transitions. Second operand has 12 states, 12 states have (on average 12.416666666666666) internal successors, (149), 12 states have internal predecessors, (149), 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) [2024-11-22 22:20:16,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:16,878 INFO L93 Difference]: Finished difference Result 330 states and 363 transitions. [2024-11-22 22:20:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:20:16,878 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.416666666666666) internal successors, (149), 12 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-22 22:20:16,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:16,879 INFO L225 Difference]: With dead ends: 330 [2024-11-22 22:20:16,879 INFO L226 Difference]: Without dead ends: 236 [2024-11-22 22:20:16,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 177 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=225, Invalid=531, Unknown=0, NotChecked=0, Total=756 [2024-11-22 22:20:16,881 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 114 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:16,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 66 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:20:16,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-22 22:20:16,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-22 22:20:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 234 states have (on average 1.017094017094017) internal successors, (238), 235 states have internal predecessors, (238), 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) [2024-11-22 22:20:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 238 transitions. [2024-11-22 22:20:16,894 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 238 transitions. Word has length 96 [2024-11-22 22:20:16,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:16,894 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 238 transitions. [2024-11-22 22:20:16,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.416666666666666) internal successors, (149), 12 states have internal predecessors, (149), 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) [2024-11-22 22:20:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 238 transitions. [2024-11-22 22:20:16,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-22 22:20:16,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:16,898 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:16,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:20:17,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:17,099 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:17,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:17,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1689098603, now seen corresponding path program 1 times [2024-11-22 22:20:17,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:17,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336138518] [2024-11-22 22:20:17,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:17,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1622 backedges. 0 proven. 865 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2024-11-22 22:20:17,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:17,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336138518] [2024-11-22 22:20:17,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336138518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:17,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653734668] [2024-11-22 22:20:17,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:17,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:17,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:17,274 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) [2024-11-22 22:20:17,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:20:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:17,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:20:17,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1622 backedges. 865 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2024-11-22 22:20:17,583 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:20:17,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653734668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:20:17,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:20:17,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-22 22:20:17,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88880770] [2024-11-22 22:20:17,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:20:17,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:17,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:17,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:17,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:17,585 INFO L87 Difference]: Start difference. First operand 236 states and 238 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-22 22:20:17,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:17,602 INFO L93 Difference]: Finished difference Result 236 states and 238 transitions. [2024-11-22 22:20:17,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:20:17,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2024-11-22 22:20:17,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:17,604 INFO L225 Difference]: With dead ends: 236 [2024-11-22 22:20:17,604 INFO L226 Difference]: Without dead ends: 235 [2024-11-22 22:20:17,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:17,605 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:17,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:17,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-22 22:20:17,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-11-22 22:20:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 234 states have (on average 1.0128205128205128) internal successors, (237), 234 states have internal predecessors, (237), 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) [2024-11-22 22:20:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 237 transitions. [2024-11-22 22:20:17,609 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 237 transitions. Word has length 233 [2024-11-22 22:20:17,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:17,609 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 237 transitions. [2024-11-22 22:20:17,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-22 22:20:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 237 transitions. [2024-11-22 22:20:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-11-22 22:20:17,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:17,612 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:17,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:20:17,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:17,813 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:17,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:17,814 INFO L85 PathProgramCache]: Analyzing trace with hash 822449243, now seen corresponding path program 1 times [2024-11-22 22:20:17,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:17,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250229854] [2024-11-22 22:20:17,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:17,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 0 proven. 866 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2024-11-22 22:20:17,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:17,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250229854] [2024-11-22 22:20:17,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250229854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:17,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141874861] [2024-11-22 22:20:17,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:20:17,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:17,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:17,942 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) [2024-11-22 22:20:17,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:20:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:20:18,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:20:18,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 0 proven. 866 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2024-11-22 22:20:18,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 0 proven. 866 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2024-11-22 22:20:18,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141874861] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:18,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:18,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-22 22:20:18,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435163680] [2024-11-22 22:20:18,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:18,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:20:18,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:18,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:20:18,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:20:18,449 INFO L87 Difference]: Start difference. First operand 235 states and 237 transitions. Second operand has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 7 states have internal predecessors, (112), 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) [2024-11-22 22:20:18,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:18,482 INFO L93 Difference]: Finished difference Result 584 states and 591 transitions. [2024-11-22 22:20:18,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:20:18,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2024-11-22 22:20:18,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:18,484 INFO L225 Difference]: With dead ends: 584 [2024-11-22 22:20:18,485 INFO L226 Difference]: Without dead ends: 583 [2024-11-22 22:20:18,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:20:18,486 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:18,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 65 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:18,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-22 22:20:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2024-11-22 22:20:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 582 states have (on average 1.0103092783505154) internal successors, (588), 582 states have internal predecessors, (588), 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) [2024-11-22 22:20:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 588 transitions. [2024-11-22 22:20:18,493 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 588 transitions. Word has length 234 [2024-11-22 22:20:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:18,494 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 588 transitions. [2024-11-22 22:20:18,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 7 states have internal predecessors, (112), 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) [2024-11-22 22:20:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 588 transitions. [2024-11-22 22:20:18,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2024-11-22 22:20:18,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:20:18,505 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 39, 39, 39, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:18,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:20:18,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-22 22:20:18,706 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:20:18,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:20:18,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1596409044, now seen corresponding path program 2 times [2024-11-22 22:20:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:20:18,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936919218] [2024-11-22 22:20:18,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:20:18,757 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:20:18,757 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10917 backedges. 0 proven. 3611 refuted. 0 times theorem prover too weak. 7306 trivial. 0 not checked. [2024-11-22 22:20:19,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:20:19,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936919218] [2024-11-22 22:20:19,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936919218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:20:19,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113767676] [2024-11-22 22:20:19,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:20:19,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:19,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:20:19,010 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) [2024-11-22 22:20:19,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:20:19,155 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:20:19,155 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:20:19,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:20:19,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:20:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 10917 backedges. 0 proven. 3611 refuted. 0 times theorem prover too weak. 7306 trivial. 0 not checked. [2024-11-22 22:20:19,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:20:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10917 backedges. 0 proven. 3611 refuted. 0 times theorem prover too weak. 7306 trivial. 0 not checked. [2024-11-22 22:20:20,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113767676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:20:20,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:20:20,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-22 22:20:20,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821494046] [2024-11-22 22:20:20,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:20:20,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:20:20,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:20:20,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:20:20,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:20:20,197 INFO L87 Difference]: Start difference. First operand 583 states and 588 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:20,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:20:20,216 INFO L93 Difference]: Finished difference Result 583 states and 588 transitions. [2024-11-22 22:20:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:20:20,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 582 [2024-11-22 22:20:20,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:20:20,217 INFO L225 Difference]: With dead ends: 583 [2024-11-22 22:20:20,217 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:20:20,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1166 GetRequests, 1162 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:20:20,218 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:20:20,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 13 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:20:20,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:20:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:20:20,219 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) [2024-11-22 22:20:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:20:20,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 582 [2024-11-22 22:20:20,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:20:20,219 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:20:20,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:20:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:20:20,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:20:20,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-11-22 22:20:20,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-11-22 22:20:20,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-11-22 22:20:20,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-11-22 22:20:20,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-11-22 22:20:20,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-11-22 22:20:20,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:20:20,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:20:20,429 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:20:20,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:20:20,444 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:20:20,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:20:20 BoogieIcfgContainer [2024-11-22 22:20:20,459 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:20:20,460 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:20:20,460 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:20:20,460 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:20:20,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:20:14" (3/4) ... [2024-11-22 22:20:20,462 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 22:20:20,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2024-11-22 22:20:20,471 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-22 22:20:20,471 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 22:20:20,471 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 22:20:20,471 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:20:20,545 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:20:20,545 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 22:20:20,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:20:20,546 INFO L158 Benchmark]: Toolchain (without parser) took 7050.82ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 106.4MB in the beginning and 108.9MB in the end (delta: -2.5MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2024-11-22 22:20:20,546 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 161.5MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:20:20,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.02ms. Allocated memory is still 161.5MB. Free memory was 106.4MB in the beginning and 93.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 22:20:20,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.65ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:20:20,550 INFO L158 Benchmark]: Boogie Preprocessor took 36.01ms. Allocated memory is still 161.5MB. Free memory was 92.2MB in the beginning and 90.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:20:20,551 INFO L158 Benchmark]: RCFGBuilder took 310.08ms. Allocated memory is still 161.5MB. Free memory was 90.5MB in the beginning and 76.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 22:20:20,551 INFO L158 Benchmark]: TraceAbstraction took 6345.87ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 75.9MB in the beginning and 114.1MB in the end (delta: -38.2MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-22 22:20:20,551 INFO L158 Benchmark]: Witness Printer took 85.69ms. Allocated memory is still 249.6MB. Free memory was 114.1MB in the beginning and 108.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 22:20:20,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 161.5MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.02ms. Allocated memory is still 161.5MB. Free memory was 106.4MB in the beginning and 93.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.65ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.01ms. Allocated memory is still 161.5MB. Free memory was 92.2MB in the beginning and 90.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.08ms. Allocated memory is still 161.5MB. Free memory was 90.5MB in the beginning and 76.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6345.87ms. Allocated memory was 161.5MB in the beginning and 249.6MB in the end (delta: 88.1MB). Free memory was 75.9MB in the beginning and 114.1MB in the end (delta: -38.2MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Witness Printer took 85.69ms. Allocated memory is still 249.6MB. Free memory was 114.1MB in the beginning and 108.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: 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, 58 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 12, TraceHistogramMax: 40, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 428 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 428 mSDsluCounter, 617 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 320 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 577 IncrementalHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 297 mSDtfsCounter, 577 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2211 GetRequests, 2148 SyntacticMatches, 7 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=583occurred in iteration=11, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 33 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2522 NumberOfCodeBlocks, 2522 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3452 ConstructedInterpolants, 0 QuantifiedInterpolants, 10520 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2239 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 22 InterpolantComputations, 8 PerfectInterpolantSequences, 26848/41574 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 18 specifications checked. All of them hold - ProcedureContractResult [Line: 4]: Procedure Contract for reach_error Derived contract for procedure reach_error. Ensures: (0 && ((__return_main == \old(__return_main)) && (__return_100 == \old(__return_100)))) RESULT: Ultimate proved your program to be correct! [2024-11-22 22:20:20,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE