./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:08:10,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:08:10,186 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 16:08:10,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:08:10,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:08:10,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:08:10,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:08:10,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:08:10,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:08:10,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:08:10,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:08:10,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:08:10,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:08:10,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:08:10,229 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:08:10,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:08:10,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:08:10,230 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:08:10,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:08:10,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:08:10,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:08:10,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:08:10,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:08:10,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:08:10,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:08:10,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:08:10,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:08:10,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:08:10,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:08:10,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:08:10,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:08:10,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:08:10,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:08:10,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:08:10,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:08:10,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:08:10,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:08:10,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:08:10,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:08:10,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:08:10,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:08:10,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:08:10,241 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/certificate-witnesses-artifact/automizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 [2024-09-12 16:08:10,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:08:10,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:08:10,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:08:10,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:08:10,562 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:08:10,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2024-09-12 16:08:12,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:08:12,277 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:08:12,278 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2024-09-12 16:08:12,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/0990ef774/35a5d35ae7924b3b8890d44ed0321198/FLAG06e70c5d8 [2024-09-12 16:08:12,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/0990ef774/35a5d35ae7924b3b8890d44ed0321198 [2024-09-12 16:08:12,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:08:12,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 16:08:12,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:08:12,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:08:12,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:08:12,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c750313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12, skipping insertion in model container [2024-09-12 16:08:12,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:08:12,841 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c[525,538] [2024-09-12 16:08:12,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:08:12,875 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:08:12,887 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c[525,538] [2024-09-12 16:08:12,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:08:12,932 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:08:12,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12 WrapperNode [2024-09-12 16:08:12,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:08:12,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 16:08:12,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 16:08:12,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 16:08:12,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,953 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 16:08:12,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 16:08:12,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:08:12,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:08:12,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:08:12,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,986 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]. [2024-09-12 16:08:12,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:12,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:08:13,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:08:13,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:08:13,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:08:13,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (1/1) ... [2024-09-12 16:08:13,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:08:13,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 16:08:13,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 16:08:13,038 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 16:08:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:08:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:08:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:08:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:08:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:08:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 16:08:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:08:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:08:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:08:13,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:08:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:08:13,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:08:13,150 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:08:13,152 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:08:13,308 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-12 16:08:13,311 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:08:13,329 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:08:13,332 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:08:13,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:08:13 BoogieIcfgContainer [2024-09-12 16:08:13,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:08:13,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 16:08:13,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 16:08:13,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 16:08:13,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 04:08:12" (1/3) ... [2024-09-12 16:08:13,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17914e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 04:08:13, skipping insertion in model container [2024-09-12 16:08:13,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:08:12" (2/3) ... [2024-09-12 16:08:13,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17914e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 04:08:13, skipping insertion in model container [2024-09-12 16:08:13,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:08:13" (3/3) ... [2024-09-12 16:08:13,340 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound5.c [2024-09-12 16:08:13,356 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 16:08:13,356 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-12 16:08:13,408 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 16:08:13,415 INFO L336 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=All, 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;@ec0913d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 16:08:13,415 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-12 16:08:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-09-12 16:08:13,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-09-12 16:08:13,427 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 16:08:13,428 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 16:08:13,428 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 16:08:13,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:08:13,434 INFO L85 PathProgramCache]: Analyzing trace with hash -839968477, now seen corresponding path program 1 times [2024-09-12 16:08:13,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 16:08:13,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519792455] [2024-09-12 16:08:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:08:13,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 16:08:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:13,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 16:08:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:13,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 16:08:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:13,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 16:08:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:13,645 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-12 16:08:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 16:08:13,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 16:08:13,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519792455] [2024-09-12 16:08:13,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519792455] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 16:08:13,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 16:08:13,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 16:08:13,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594567947] [2024-09-12 16:08:13,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 16:08:13,678 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-09-12 16:08:13,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 16:08:13,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-09-12 16:08:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-09-12 16:08:13,730 INFO L87 Difference]: Start difference. First operand has 29 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-09-12 16:08:13,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 16:08:13,764 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2024-09-12 16:08:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-12 16:08:13,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2024-09-12 16:08:13,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 16:08:13,775 INFO L225 Difference]: With dead ends: 52 [2024-09-12 16:08:13,775 INFO L226 Difference]: Without dead ends: 25 [2024-09-12 16:08:13,778 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-09-12 16:08:13,784 INFO L434 NwaCegarLoop]: 30 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, 30 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 [2024-09-12 16:08:13,785 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 16:08:13,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-09-12 16:08:13,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-09-12 16:08:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-12 16:08:13,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-09-12 16:08:13,823 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 28 [2024-09-12 16:08:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 16:08:13,824 INFO L474 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-09-12 16:08:13,825 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-09-12 16:08:13,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:08:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-09-12 16:08:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-09-12 16:08:13,827 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 16:08:13,828 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 16:08:13,828 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 16:08:13,831 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 16:08:13,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:08:13,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1024519709, now seen corresponding path program 1 times [2024-09-12 16:08:13,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 16:08:13,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864968392] [2024-09-12 16:08:13,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:08:13,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 16:08:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 16:08:13,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887391152] [2024-09-12 16:08:13,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:08:13,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 16:08:13,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 16:08:13,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 16:08:13,883 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-12 16:08:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:13,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-12 16:08:13,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 16:08:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-12 16:08:14,308 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 16:08:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 16:08:14,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 16:08:14,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864968392] [2024-09-12 16:08:14,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 16:08:14,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887391152] [2024-09-12 16:08:14,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887391152] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-12 16:08:14,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 16:08:14,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-09-12 16:08:14,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760692257] [2024-09-12 16:08:14,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 16:08:14,422 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 16:08:14,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 16:08:14,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 16:08:14,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-09-12 16:08:14,426 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-09-12 16:08:14,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 16:08:14,497 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2024-09-12 16:08:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 16:08:14,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2024-09-12 16:08:14,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 16:08:14,499 INFO L225 Difference]: With dead ends: 25 [2024-09-12 16:08:14,499 INFO L226 Difference]: Without dead ends: 0 [2024-09-12 16:08:14,500 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-09-12 16:08:14,502 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 16:08:14,502 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 76 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 16:08:14,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-12 16:08:14,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-12 16:08:14,504 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) [2024-09-12 16:08:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-12 16:08:14,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-09-12 16:08:14,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 16:08:14,506 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-12 16:08:14,507 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-09-12 16:08:14,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:08:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-12 16:08:14,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-12 16:08:14,511 INFO L785 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-12 16:08:14,527 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-12 16:08:14,715 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 16:08:14,719 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-12 16:08:14,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-12 16:08:14,812 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-12 16:08:14,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.09 04:08:14 BoogieIcfgContainer [2024-09-12 16:08:14,830 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-12 16:08:14,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-12 16:08:14,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-12 16:08:14,831 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-12 16:08:14,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:08:13" (3/4) ... [2024-09-12 16:08:14,836 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-12 16:08:14,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2024-09-12 16:08:14,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-09-12 16:08:14,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2024-09-12 16:08:14,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-09-12 16:08:14,845 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-09-12 16:08:14,845 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-09-12 16:08:14,845 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-09-12 16:08:14,845 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-09-12 16:08:14,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.graphml [2024-09-12 16:08:14,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-12 16:08:14,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-12 16:08:14,928 INFO L158 Benchmark]: Toolchain (without parser) took 2276.91ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 43.0MB in the beginning and 61.3MB in the end (delta: -18.3MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-09-12 16:08:14,929 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:08:14,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.23ms. Allocated memory is still 73.4MB. Free memory was 42.8MB in the beginning and 52.8MB in the end (delta: -9.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-09-12 16:08:14,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.00ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 51.8MB in the end (delta: 926.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:08:14,929 INFO L158 Benchmark]: Boogie Preprocessor took 45.37ms. Allocated memory is still 73.4MB. Free memory was 51.8MB in the beginning and 50.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:08:14,930 INFO L158 Benchmark]: RCFGBuilder took 332.50ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 37.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 16:08:14,930 INFO L158 Benchmark]: TraceAbstraction took 1496.49ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 37.1MB in the beginning and 66.2MB in the end (delta: -29.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-12 16:08:14,930 INFO L158 Benchmark]: Witness Printer took 96.79ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 61.3MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-12 16:08:14,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.23ms. Allocated memory is still 73.4MB. Free memory was 42.8MB in the beginning and 52.8MB in the end (delta: -9.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.00ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 51.8MB in the end (delta: 926.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.37ms. Allocated memory is still 73.4MB. Free memory was 51.8MB in the beginning and 50.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.50ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 37.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1496.49ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 37.1MB in the beginning and 66.2MB in the end (delta: -29.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 96.79ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 61.3MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. 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: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 51 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 0.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 SizeOfPredicates, 1 NumberOfNonLiveVariables, 79 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 30/36 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 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((__int128) y * az) + x) == (((__int128) z * x) + a)) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (1 <= \old(cond)) Ensures: (1 <= \old(cond)) RESULT: Ultimate proved your program to be correct! [2024-09-12 16:08:14,958 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE