./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound50.c --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/nla-digbench-scaling/geo1-ll_valuebound50.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 142fac26e58e32d5894ddee72fe19273cb83800658fff05eab06588458831b6c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:48:30,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:48:31,005 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:48:31,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:48:31,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:48:31,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:48:31,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:48:31,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:48:31,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:48:31,029 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:48:31,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:48:31,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:48:31,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:48:31,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:48:31,030 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:48:31,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:48:31,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:48:31,031 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:48:31,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:48:31,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:48:31,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:48:31,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:48:31,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:48:31,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:48:31,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:48:31,037 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:48:31,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:48:31,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:48:31,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:48:31,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:48:31,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:48:31,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:48:31,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:48:31,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:48:31,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:48:31,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:48:31,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:48:31,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:48:31,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:48:31,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:48:31,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:48:31,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:48:31,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:48:31,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:48:31,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142fac26e58e32d5894ddee72fe19273cb83800658fff05eab06588458831b6c [2024-10-14 20:48:31,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:48:31,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:48:31,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:48:31,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:48:31,252 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:48:31,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound50.c [2024-10-14 20:48:32,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:48:32,578 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:48:32,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound50.c [2024-10-14 20:48:32,589 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afd45c6c/04f2ac01d05748e49873d7f77f1fdab2/FLAG4119547d2 [2024-10-14 20:48:32,602 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afd45c6c/04f2ac01d05748e49873d7f77f1fdab2 [2024-10-14 20:48:32,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:48:32,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:48:32,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:48:32,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:48:32,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:48:32,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8630eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32, skipping insertion in model container [2024-10-14 20:48:32,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:48:32,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:48:32,791 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:48:32,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:48:32,816 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:48:32,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32 WrapperNode [2024-10-14 20:48:32,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:48:32,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:48:32,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:48:32,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:48:32,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,841 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2024-10-14 20:48:32,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:48:32,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:48:32,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:48:32,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:48:32,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,857 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 20:48:32,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:48:32,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:48:32,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:48:32,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:48:32,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (1/1) ... [2024-10-14 20:48:32,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:48:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:48:32,896 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 20:48:32,898 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 20:48:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:48:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 20:48:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 20:48:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:48:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:48:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:48:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:48:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:48:32,984 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:48:32,987 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:48:33,108 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 20:48:33,109 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:48:33,134 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:48:33,135 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:48:33,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:48:33 BoogieIcfgContainer [2024-10-14 20:48:33,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:48:33,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:48:33,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:48:33,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:48:33,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:48:32" (1/3) ... [2024-10-14 20:48:33,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ef23d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:48:33, skipping insertion in model container [2024-10-14 20:48:33,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:48:32" (2/3) ... [2024-10-14 20:48:33,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ef23d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:48:33, skipping insertion in model container [2024-10-14 20:48:33,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:48:33" (3/3) ... [2024-10-14 20:48:33,143 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound50.c [2024-10-14 20:48:33,156 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:48:33,157 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 20:48:33,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:48:33,216 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;@17f3748d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:48:33,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 20:48:33,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 20:48:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 20:48:33,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:48:33,228 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:48:33,229 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 20:48:33,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:48:33,233 INFO L85 PathProgramCache]: Analyzing trace with hash -516898536, now seen corresponding path program 1 times [2024-10-14 20:48:33,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:48:33,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183436979] [2024-10-14 20:48:33,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:48:33,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:48:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:48:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:48:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:48:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:48:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:48:33,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:48:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183436979] [2024-10-14 20:48:33,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183436979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:48:33,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:48:33,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:48:33,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960781059] [2024-10-14 20:48:33,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:48:33,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:48:33,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:48:33,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:48:33,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:48:33,433 INFO L87 Difference]: Start difference. First operand has 25 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 20:48:33,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:48:33,455 INFO L93 Difference]: Finished difference Result 48 states and 69 transitions. [2024-10-14 20:48:33,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:48:33,457 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-10-14 20:48:33,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:48:33,462 INFO L225 Difference]: With dead ends: 48 [2024-10-14 20:48:33,462 INFO L226 Difference]: Without dead ends: 22 [2024-10-14 20:48:33,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:48:33,466 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:48:33,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:48:33,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-10-14 20:48:33,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-10-14 20:48:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 20:48:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-10-14 20:48:33,495 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 25 [2024-10-14 20:48:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:48:33,496 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-10-14 20:48:33,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 20:48:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-10-14 20:48:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 20:48:33,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:48:33,498 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:48:33,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:48:33,498 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 20:48:33,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:48:33,499 INFO L85 PathProgramCache]: Analyzing trace with hash 422400858, now seen corresponding path program 1 times [2024-10-14 20:48:33,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:48:33,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944267165] [2024-10-14 20:48:33,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:48:33,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:48:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:48:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:48:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:48:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:48:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 20:48:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:48:33,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:48:33,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944267165] [2024-10-14 20:48:33,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944267165] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:48:33,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197649105] [2024-10-14 20:48:33,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:48:33,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:48:33,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:48:33,825 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) [2024-10-14 20:48:33,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:48:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:48:33,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:48:33,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:48:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:48:33,967 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:48:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:48:34,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197649105] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:48:34,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:48:34,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-14 20:48:34,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179506599] [2024-10-14 20:48:34,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:48:34,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:48:34,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:48:34,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:48:34,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:48:34,069 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-14 20:48:34,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:48:34,120 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2024-10-14 20:48:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:48:34,120 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 31 [2024-10-14 20:48:34,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:48:34,121 INFO L225 Difference]: With dead ends: 22 [2024-10-14 20:48:34,121 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 20:48:34,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:48:34,122 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 4 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:48:34,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 52 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:48:34,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 20:48:34,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 20:48:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:48:34,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 20:48:34,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2024-10-14 20:48:34,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:48:34,124 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 20:48:34,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-14 20:48:34,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 20:48:34,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 20:48:34,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 20:48:34,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 20:48:34,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:48:34,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:48:34,331 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 20:48:34,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 20:48:34,369 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 20:48:34,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:48:34 BoogieIcfgContainer [2024-10-14 20:48:34,386 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 20:48:34,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 20:48:34,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 20:48:34,386 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 20:48:34,386 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:48:33" (3/4) ... [2024-10-14 20:48:34,388 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 20:48:34,391 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-14 20:48:34,391 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-14 20:48:34,394 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 20:48:34,395 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 20:48:34,395 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 20:48:34,395 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 20:48:34,460 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 20:48:34,460 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 20:48:34,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 20:48:34,461 INFO L158 Benchmark]: Toolchain (without parser) took 1855.80ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 67.5MB in the beginning and 153.0MB in the end (delta: -85.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:48:34,461 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 138.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:48:34,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.07ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 67.4MB in the beginning and 180.3MB in the end (delta: -112.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-10-14 20:48:34,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.95ms. Allocated memory is still 209.7MB. Free memory was 180.3MB in the beginning and 179.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:48:34,462 INFO L158 Benchmark]: Boogie Preprocessor took 24.77ms. Allocated memory is still 209.7MB. Free memory was 179.3MB in the beginning and 177.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 20:48:34,462 INFO L158 Benchmark]: RCFGBuilder took 264.24ms. Allocated memory is still 209.7MB. Free memory was 177.2MB in the beginning and 164.6MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 20:48:34,462 INFO L158 Benchmark]: TraceAbstraction took 1247.55ms. Allocated memory is still 209.7MB. Free memory was 163.6MB in the beginning and 157.2MB in the end (delta: 6.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-10-14 20:48:34,463 INFO L158 Benchmark]: Witness Printer took 74.59ms. Allocated memory is still 209.7MB. Free memory was 157.2MB in the beginning and 153.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 20:48:34,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 138.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.07ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 67.4MB in the beginning and 180.3MB in the end (delta: -112.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.95ms. Allocated memory is still 209.7MB. Free memory was 180.3MB in the beginning and 179.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.77ms. Allocated memory is still 209.7MB. Free memory was 179.3MB in the beginning and 177.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.24ms. Allocated memory is still 209.7MB. Free memory was 177.2MB in the beginning and 164.6MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1247.55ms. Allocated memory is still 209.7MB. Free memory was 163.6MB in the beginning and 157.2MB in the end (delta: 6.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 74.59ms. Allocated memory is still 209.7MB. Free memory was 157.2MB in the beginning and 153.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 41 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 79 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 81/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((z <= 50) && (1 <= z)) - ProcedureContractResult [Line: 12]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-14 20:48:34,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE