./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/prod4br-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-nla/prod4br-both-t.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 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:19:09,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:19:09,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:19:09,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:19:09,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:19:09,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:19:09,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:19:09,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:19:09,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:19:09,728 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:19:09,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:19:09,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:19:09,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:19:09,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:19:09,730 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:19:09,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:19:09,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:19:09,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:19:09,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:19:09,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:19:09,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:19:09,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:19:09,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:19:09,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:19:09,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:19:09,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:19:09,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:19:09,737 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:19:09,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:19:09,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:19:09,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:19:09,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:19:09,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:19:09,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:19:09,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:19:09,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:19:09,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:19:09,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:19:09,739 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:19:09,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:19:09,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:19:09,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:19:09,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:19:09,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:19:09,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 [2024-11-09 11:19:09,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:19:09,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:19:09,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:19:09,965 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:19:09,965 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:19:09,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/prod4br-both-t.c [2024-11-09 11:19:11,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:19:11,521 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:19:11,522 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/prod4br-both-t.c [2024-11-09 11:19:11,540 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa1fa1ce/e1e61c6c33144734a1fe7c36a6eb5013/FLAGb74ea64e6 [2024-11-09 11:19:11,563 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa1fa1ce/e1e61c6c33144734a1fe7c36a6eb5013 [2024-11-09 11:19:11,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:19:11,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:19:11,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:19:11,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:19:11,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:19:11,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:11,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db33968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11, skipping insertion in model container [2024-11-09 11:19:11,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:11,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:19:11,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:19:11,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:19:11,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:19:11,995 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:19:11,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11 WrapperNode [2024-11-09 11:19:11,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:19:11,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:19:11,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:19:11,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:19:12,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,021 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2024-11-09 11:19:12,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:19:12,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:19:12,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:19:12,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:19:12,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,032 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,044 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 11:19:12,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:19:12,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:19:12,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:19:12,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:19:12,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (1/1) ... [2024-11-09 11:19:12,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:19:12,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:19:12,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:19:12,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:19:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:19:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:19:12,191 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:19:12,193 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:19:12,529 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-09 11:19:12,530 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:19:12,546 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:19:12,546 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:19:12,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:19:12 BoogieIcfgContainer [2024-11-09 11:19:12,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:19:12,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:19:12,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:19:12,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:19:12,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:19:11" (1/3) ... [2024-11-09 11:19:12,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a6390c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:19:12, skipping insertion in model container [2024-11-09 11:19:12,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:11" (2/3) ... [2024-11-09 11:19:12,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a6390c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:19:12, skipping insertion in model container [2024-11-09 11:19:12,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:19:12" (3/3) ... [2024-11-09 11:19:12,581 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-both-t.c [2024-11-09 11:19:12,594 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:19:12,594 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-09 11:19:12,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:19:12,652 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;@76ea60b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:19:12,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-09 11:19:12,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 54 states have (on average 1.9259259259259258) 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) [2024-11-09 11:19:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:19:12,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:19:12,661 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:19:12,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 11:19:12,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:19:12,665 INFO L85 PathProgramCache]: Analyzing trace with hash 889575245, now seen corresponding path program 1 times [2024-11-09 11:19:12,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:19:12,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080762305] [2024-11-09 11:19:12,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:19:12,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:19:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:19:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:19:12,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:19:12,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080762305] [2024-11-09 11:19:12,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080762305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:19:12,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:19:12,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:19:12,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180450427] [2024-11-09 11:19:12,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:19:12,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:19:12,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:19:12,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:19:12,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:19:12,818 INFO L87 Difference]: Start difference. First operand has 97 states, 54 states have (on average 1.9259259259259258) 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) 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) [2024-11-09 11:19:13,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:19:13,110 INFO L93 Difference]: Finished difference Result 146 states and 178 transitions. [2024-11-09 11:19:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:19:13,114 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 [2024-11-09 11:19:13,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:19:13,121 INFO L225 Difference]: With dead ends: 146 [2024-11-09 11:19:13,121 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 11:19:13,123 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 [2024-11-09 11:19:13,125 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 42 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:19:13,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 91 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:19:13,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 11:19:13,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 96. [2024-11-09 11:19:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 54 states have (on average 1.8703703703703705) internal successors, (101), 95 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:19:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2024-11-09 11:19:13,197 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 6 [2024-11-09 11:19:13,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:19:13,203 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2024-11-09 11:19:13,203 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) [2024-11-09 11:19:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2024-11-09 11:19:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:19:13,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:19:13,209 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:19:13,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:19:13,209 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 11:19:13,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:19:13,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1807028872, now seen corresponding path program 1 times [2024-11-09 11:19:13,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:19:13,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586583077] [2024-11-09 11:19:13,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:19:13,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:19:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:19:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:19:13,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:19:13,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586583077] [2024-11-09 11:19:13,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586583077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:19:13,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:19:13,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:19:13,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238732250] [2024-11-09 11:19:13,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:19:13,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:19:13,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:19:13,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:19:13,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:19:13,351 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:19:13,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:19:13,689 INFO L93 Difference]: Finished difference Result 138 states and 166 transitions. [2024-11-09 11:19:13,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:19:13,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:19:13,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:19:13,693 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:19:13,693 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 11:19:13,693 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 [2024-11-09 11:19:13,694 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 210 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:19:13,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 54 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:19:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 11:19:13,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 97. [2024-11-09 11:19:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 55 states have (on average 1.8545454545454545) internal successors, (102), 96 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:19:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 102 transitions. [2024-11-09 11:19:13,701 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 102 transitions. Word has length 7 [2024-11-09 11:19:13,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:19:13,702 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 102 transitions. [2024-11-09 11:19:13,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:19:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2024-11-09 11:19:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:19:13,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:19:13,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:19:13,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:19:13,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-09 11:19:13,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:19:13,703 INFO L85 PathProgramCache]: Analyzing trace with hash 183320239, now seen corresponding path program 1 times [2024-11-09 11:19:13,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:19:13,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821168188] [2024-11-09 11:19:13,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:19:13,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:19:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:19:13,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [139252950] [2024-11-09 11:19:13,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:19:13,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:19:13,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:19:13,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:19:13,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:19:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 11:19:13,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 11:19:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 11:19:13,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 11:19:13,763 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 11:19:13,764 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2024-11-09 11:19:13,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2024-11-09 11:19:13,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2024-11-09 11:19:13,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2024-11-09 11:19:13,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2024-11-09 11:19:13,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2024-11-09 11:19:13,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2024-11-09 11:19:13,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2024-11-09 11:19:13,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2024-11-09 11:19:13,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2024-11-09 11:19:13,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2024-11-09 11:19:13,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2024-11-09 11:19:13,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2024-11-09 11:19:13,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2024-11-09 11:19:13,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2024-11-09 11:19:13,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2024-11-09 11:19:13,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2024-11-09 11:19:13,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2024-11-09 11:19:13,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2024-11-09 11:19:13,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2024-11-09 11:19:13,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2024-11-09 11:19:13,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2024-11-09 11:19:13,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2024-11-09 11:19:13,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2024-11-09 11:19:13,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2024-11-09 11:19:13,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2024-11-09 11:19:13,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2024-11-09 11:19:13,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2024-11-09 11:19:13,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2024-11-09 11:19:13,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2024-11-09 11:19:13,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2024-11-09 11:19:13,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2024-11-09 11:19:13,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2024-11-09 11:19:13,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2024-11-09 11:19:13,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2024-11-09 11:19:13,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2024-11-09 11:19:13,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2024-11-09 11:19:13,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2024-11-09 11:19:13,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2024-11-09 11:19:13,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2024-11-09 11:19:13,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2024-11-09 11:19:13,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2024-11-09 11:19:13,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:19:13,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:19:13,983 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 11:19:14,009 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:19:14,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:19:14 BoogieIcfgContainer [2024-11-09 11:19:14,016 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:19:14,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:19:14,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:19:14,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:19:14,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:19:12" (3/4) ... [2024-11-09 11:19:14,022 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 11:19:14,065 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:19:14,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:19:14,066 INFO L158 Benchmark]: Toolchain (without parser) took 2497.99ms. Allocated memory is still 228.6MB. Free memory was 157.5MB in the beginning and 170.5MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:19:14,067 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 82.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:19:14,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.08ms. Allocated memory is still 228.6MB. Free memory was 157.3MB in the beginning and 145.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 11:19:14,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.42ms. Allocated memory is still 228.6MB. Free memory was 145.5MB in the beginning and 143.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:19:14,068 INFO L158 Benchmark]: Boogie Preprocessor took 35.17ms. Allocated memory is still 228.6MB. Free memory was 143.5MB in the beginning and 142.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:19:14,068 INFO L158 Benchmark]: RCFGBuilder took 513.31ms. Allocated memory is still 228.6MB. Free memory was 142.0MB in the beginning and 198.4MB in the end (delta: -56.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-09 11:19:14,068 INFO L158 Benchmark]: TraceAbstraction took 1443.53ms. Allocated memory is still 228.6MB. Free memory was 198.4MB in the beginning and 171.9MB in the end (delta: 26.6MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-11-09 11:19:14,069 INFO L158 Benchmark]: Witness Printer took 48.94ms. Allocated memory is still 228.6MB. Free memory was 171.9MB in the beginning and 170.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:19:14,070 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 82.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.08ms. Allocated memory is still 228.6MB. Free memory was 157.3MB in the beginning and 145.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.42ms. Allocated memory is still 228.6MB. Free memory was 145.5MB in the beginning and 143.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.17ms. Allocated memory is still 228.6MB. Free memory was 143.5MB in the beginning and 142.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.31ms. Allocated memory is still 228.6MB. Free memory was 142.0MB in the beginning and 198.4MB in the end (delta: -56.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1443.53ms. Allocated memory is still 228.6MB. Free memory was 198.4MB in the beginning and 171.9MB in the end (delta: 26.6MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Witness Printer took 48.94ms. Allocated memory is still 228.6MB. Free memory was 171.9MB in the beginning and 170.5MB in the end (delta: 1.4MB). 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: 39]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x, y; [L21] int a, b, p, q; [L23] x = __VERIFIER_nondet_int() [L24] y = __VERIFIER_nondet_int() [L27] COND FALSE !(y < 1) [L31] a = x [L32] b = y [L33] p = 1 [L34] q = 0 VAL [a=-3, b=715827883, p=1, q=0, x=-3, y=715827883] [L36] COND TRUE 1 [L39] a != 0 && b + q + a * b * p - x * y != 0 VAL [a=-3, b=715827883, p=1, q=0, x=-3, y=715827883] [L39] b + q VAL [a=-3, b=715827883, p=1, q=0, x=-3, y=715827883] [L39] a * b VAL [p=1, q=0, x=-3, y=715827883] - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 97 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 252 mSDsluCounter, 145 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 86 mSDtfsCounter, 245 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 79 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-09 11:19:14,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)