./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bee045beef00a84520361ceade974b7fbb908b65f12806fb137f6143300856d1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:27:58,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:27:58,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:27:58,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:27:58,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:27:58,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:27:58,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:27:58,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:27:58,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:27:58,647 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:27:58,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:27:58,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:27:58,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:27:58,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:27:58,649 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:27:58,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:27:58,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:27:58,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:27:58,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:27:58,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:27:58,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:27:58,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:27:58,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:27:58,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:27:58,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:27:58,654 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:27:58,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:27:58,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:27:58,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:27:58,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:27:58,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:27:58,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:27:58,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:27:58,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:27:58,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:27:58,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:27:58,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:27:58,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:27:58,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:27:58,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:27:58,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:27:58,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:27:58,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:27:58,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:27:58,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee045beef00a84520361ceade974b7fbb908b65f12806fb137f6143300856d1 [2024-10-14 20:27:58,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:27:58,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:27:58,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:27:58,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:27:58,877 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:27:58,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2024-10-14 20:28:00,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:28:00,435 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:28:00,436 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2024-10-14 20:28:00,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10d70e119/ca7d26514bd84ef9b41d9e1d75c09940/FLAG0c322c8d7 [2024-10-14 20:28:00,858 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10d70e119/ca7d26514bd84ef9b41d9e1d75c09940 [2024-10-14 20:28:00,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:28:00,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:28:00,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:28:00,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:28:00,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:28:00,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:28:00" (1/1) ... [2024-10-14 20:28:00,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d98ab28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:00, skipping insertion in model container [2024-10-14 20:28:00,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:28:00" (1/1) ... [2024-10-14 20:28:00,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:28:01,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:28:01,056 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:28:01,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:28:01,081 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:28:01,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01 WrapperNode [2024-10-14 20:28:01,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:28:01,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:28:01,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:28:01,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:28:01,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,105 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-14 20:28:01,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:28:01,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:28:01,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:28:01,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:28:01,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,122 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]. [2024-10-14 20:28:01,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:28:01,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:28:01,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:28:01,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:28:01,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:28:01,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:28:01,172 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) [2024-10-14 20:28:01,175 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 [2024-10-14 20:28:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:28:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:28:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:28:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:28:01,259 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:28:01,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:28:01,418 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-10-14 20:28:01,418 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:28:01,485 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:28:01,485 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:28:01,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:28:01 BoogieIcfgContainer [2024-10-14 20:28:01,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:28:01,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:28:01,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:28:01,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:28:01,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:28:00" (1/3) ... [2024-10-14 20:28:01,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34059ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:28:01, skipping insertion in model container [2024-10-14 20:28:01,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01" (2/3) ... [2024-10-14 20:28:01,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34059ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:28:01, skipping insertion in model container [2024-10-14 20:28:01,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:28:01" (3/3) ... [2024-10-14 20:28:01,497 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark44_disjunctive.i [2024-10-14 20:28:01,539 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:28:01,539 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-14 20:28:01,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:28:01,592 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;@e85161c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:28:01,592 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-14 20:28:01,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.8148148148148149) internal successors, (49), 41 states have internal predecessors, (49), 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) [2024-10-14 20:28:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 20:28:01,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:28:01,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 20:28:01,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 20:28:01,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:28:01,605 INFO L85 PathProgramCache]: Analyzing trace with hash 107352958, now seen corresponding path program 1 times [2024-10-14 20:28:01,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:28:01,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185891891] [2024-10-14 20:28:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:28:01,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:28:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:28:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:28:01,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:28:01,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185891891] [2024-10-14 20:28:01,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185891891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:28:01,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:28:01,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 20:28:01,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984759953] [2024-10-14 20:28:01,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:28:01,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:28:01,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:28:01,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:28:01,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:28:01,782 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.8148148148148149) internal successors, (49), 41 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2024-10-14 20:28:01,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:28:01,832 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2024-10-14 20:28:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:28:01,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2024-10-14 20:28:01,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:28:01,846 INFO L225 Difference]: With dead ends: 59 [2024-10-14 20:28:01,847 INFO L226 Difference]: Without dead ends: 32 [2024-10-14 20:28:01,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:28:01,851 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 29 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:28:01,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 25 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:28:01,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-14 20:28:01,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-14 20:28:01,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.619047619047619) internal successors, (34), 31 states have internal predecessors, (34), 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) [2024-10-14 20:28:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2024-10-14 20:28:01,878 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 5 [2024-10-14 20:28:01,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:28:01,878 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2024-10-14 20:28:01,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2024-10-14 20:28:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2024-10-14 20:28:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 20:28:01,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:28:01,879 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 20:28:01,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:28:01,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 20:28:01,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:28:01,880 INFO L85 PathProgramCache]: Analyzing trace with hash -967025545, now seen corresponding path program 1 times [2024-10-14 20:28:01,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:28:01,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248833595] [2024-10-14 20:28:01,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:28:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:28:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:28:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:28:01,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:28:01,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248833595] [2024-10-14 20:28:01,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248833595] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:28:01,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:28:01,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:28:01,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338482123] [2024-10-14 20:28:01,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:28:01,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:28:01,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:28:01,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:28:01,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:28:01,916 INFO L87 Difference]: Start difference. First operand 32 states and 34 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) [2024-10-14 20:28:01,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:28:01,938 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2024-10-14 20:28:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:28:01,939 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 [2024-10-14 20:28:01,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:28:01,940 INFO L225 Difference]: With dead ends: 32 [2024-10-14 20:28:01,940 INFO L226 Difference]: Without dead ends: 30 [2024-10-14 20:28:01,940 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 [2024-10-14 20:28:01,941 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:28:01,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 43 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:28:01,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-14 20:28:01,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-14 20:28:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 29 states have internal predecessors, (32), 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) [2024-10-14 20:28:01,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2024-10-14 20:28:01,945 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 6 [2024-10-14 20:28:01,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:28:01,945 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2024-10-14 20:28:01,946 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) [2024-10-14 20:28:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2024-10-14 20:28:01,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 20:28:01,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:28:01,946 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 20:28:01,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:28:01,947 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 20:28:01,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:28:01,947 INFO L85 PathProgramCache]: Analyzing trace with hash -967048354, now seen corresponding path program 1 times [2024-10-14 20:28:01,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:28:01,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619511636] [2024-10-14 20:28:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:28:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:28:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:28:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:28:01,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:28:01,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619511636] [2024-10-14 20:28:01,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619511636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:28:01,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:28:01,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:28:01,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299885830] [2024-10-14 20:28:01,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:28:01,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:28:01,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:28:01,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:28:01,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:28:01,993 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 3 states, 3 states have (on average 2.0) 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) [2024-10-14 20:28:02,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:28:02,067 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2024-10-14 20:28:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:28:02,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) 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 [2024-10-14 20:28:02,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:28:02,068 INFO L225 Difference]: With dead ends: 40 [2024-10-14 20:28:02,068 INFO L226 Difference]: Without dead ends: 34 [2024-10-14 20:28:02,069 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 [2024-10-14 20:28:02,070 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:28:02,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:28:02,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-14 20:28:02,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2024-10-14 20:28:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.5) internal successors, (33), 30 states have internal predecessors, (33), 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) [2024-10-14 20:28:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-10-14 20:28:02,074 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 6 [2024-10-14 20:28:02,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:28:02,074 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-10-14 20:28:02,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) 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) [2024-10-14 20:28:02,074 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-10-14 20:28:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 20:28:02,075 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:28:02,075 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:28:02,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 20:28:02,075 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 20:28:02,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:28:02,076 INFO L85 PathProgramCache]: Analyzing trace with hash 86979232, now seen corresponding path program 1 times [2024-10-14 20:28:02,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:28:02,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606505111] [2024-10-14 20:28:02,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:28:02,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:28:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 20:28:02,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 20:28:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 20:28:02,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 20:28:02,112 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 20:28:02,112 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2024-10-14 20:28:02,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2024-10-14 20:28:02,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2024-10-14 20:28:02,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2024-10-14 20:28:02,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2024-10-14 20:28:02,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2024-10-14 20:28:02,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2024-10-14 20:28:02,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2024-10-14 20:28:02,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2024-10-14 20:28:02,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2024-10-14 20:28:02,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2024-10-14 20:28:02,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2024-10-14 20:28:02,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2024-10-14 20:28:02,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2024-10-14 20:28:02,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:28:02,123 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 20:28:02,139 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 20:28:02,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:28:02 BoogieIcfgContainer [2024-10-14 20:28:02,148 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 20:28:02,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 20:28:02,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 20:28:02,148 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 20:28:02,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:28:01" (3/4) ... [2024-10-14 20:28:02,149 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-14 20:28:02,181 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 20:28:02,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 20:28:02,183 INFO L158 Benchmark]: Toolchain (without parser) took 1320.81ms. Allocated memory was 151.0MB in the beginning and 247.5MB in the end (delta: 96.5MB). Free memory was 78.3MB in the beginning and 207.7MB in the end (delta: -129.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:28:02,183 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:28:02,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.72ms. Allocated memory is still 151.0MB. Free memory was 78.0MB in the beginning and 66.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 20:28:02,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.84ms. Allocated memory is still 151.0MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:28:02,184 INFO L158 Benchmark]: Boogie Preprocessor took 25.57ms. Allocated memory is still 151.0MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 20:28:02,184 INFO L158 Benchmark]: RCFGBuilder took 353.83ms. Allocated memory is still 151.0MB. Free memory was 63.6MB in the beginning and 120.6MB in the end (delta: -57.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-10-14 20:28:02,185 INFO L158 Benchmark]: TraceAbstraction took 660.44ms. Allocated memory was 151.0MB in the beginning and 247.5MB in the end (delta: 96.5MB). Free memory was 120.0MB in the beginning and 208.8MB in the end (delta: -88.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-10-14 20:28:02,185 INFO L158 Benchmark]: Witness Printer took 33.46ms. Allocated memory is still 247.5MB. Free memory was 208.8MB in the beginning and 207.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 20:28:02,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.72ms. Allocated memory is still 151.0MB. Free memory was 78.0MB in the beginning and 66.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.84ms. Allocated memory is still 151.0MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.57ms. Allocated memory is still 151.0MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.83ms. Allocated memory is still 151.0MB. Free memory was 63.6MB in the beginning and 120.6MB in the end (delta: -57.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 660.44ms. Allocated memory was 151.0MB in the beginning and 247.5MB in the end (delta: 96.5MB). Free memory was 120.0MB in the beginning and 208.8MB in the end (delta: -88.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 33.46ms. Allocated memory is still 247.5MB. Free memory was 208.8MB in the beginning and 207.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x