./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/sumt9.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 --witnessprinter.generate.graphml.witnesses false --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 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/loops-crafted-1/sumt9.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 110f478e83f66be81975f0da6e710bed770d999fa1dfb3745754f84397486bfb --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-18 15:48:32,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-18 15:48:32,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-18 15:48:32,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-18 15:48:32,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-18 15:48:32,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-18 15:48:32,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-18 15:48:32,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-18 15:48:32,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-18 15:48:32,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-18 15:48:32,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-18 15:48:32,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-18 15:48:32,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-18 15:48:32,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-18 15:48:32,192 INFO L153 SettingsManager]: * Use SBE=true [2024-09-18 15:48:32,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-18 15:48:32,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-18 15:48:32,193 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-18 15:48:32,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-18 15:48:32,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-18 15:48:32,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-18 15:48:32,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-18 15:48:32,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-18 15:48:32,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-18 15:48:32,197 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-18 15:48:32,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-18 15:48:32,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-18 15:48:32,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-18 15:48:32,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-18 15:48:32,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-18 15:48:32,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-18 15:48:32,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-18 15:48:32,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-18 15:48:32,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-18 15:48:32,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-18 15:48:32,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-18 15:48:32,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-18 15:48:32,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-18 15:48:32,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-18 15:48:32,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-18 15:48:32,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-18 15:48:32,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-18 15:48:32,202 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 110f478e83f66be81975f0da6e710bed770d999fa1dfb3745754f84397486bfb Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-18 15:48:32,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-18 15:48:32,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-18 15:48:32,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-18 15:48:32,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-18 15:48:32,497 INFO L274 PluginConnector]: CDTParser initialized [2024-09-18 15:48:32,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loops-crafted-1/sumt9.c [2024-09-18 15:48:33,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-18 15:48:34,162 INFO L384 CDTParser]: Found 1 translation units. [2024-09-18 15:48:34,164 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt9.c [2024-09-18 15:48:34,173 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/e012acf28/85c2e04ef65b440484d613e075316245/FLAGa9c2783ec [2024-09-18 15:48:34,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/e012acf28/85c2e04ef65b440484d613e075316245 [2024-09-18 15:48:34,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-18 15:48:34,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-18 15:48:34,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-18 15:48:34,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-18 15:48:34,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-18 15:48:34,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387d906e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34, skipping insertion in model container [2024-09-18 15:48:34,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-18 15:48:34,663 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt9.c[403,416] [2024-09-18 15:48:34,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-18 15:48:34,689 INFO L200 MainTranslator]: Completed pre-run [2024-09-18 15:48:34,701 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt9.c[403,416] [2024-09-18 15:48:34,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-18 15:48:34,723 INFO L204 MainTranslator]: Completed translation [2024-09-18 15:48:34,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34 WrapperNode [2024-09-18 15:48:34,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-18 15:48:34,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-18 15:48:34,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-18 15:48:34,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-18 15:48:34,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,745 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-18 15:48:34,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-18 15:48:34,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-18 15:48:34,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-18 15:48:34,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-18 15:48:34,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,761 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,772 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-09-18 15:48:34,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-18 15:48:34,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-18 15:48:34,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-18 15:48:34,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-18 15:48:34,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (1/1) ... [2024-09-18 15:48:34,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-18 15:48:34,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 15:48:34,824 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) [2024-09-18 15:48:34,827 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 [2024-09-18 15:48:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-18 15:48:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-18 15:48:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-18 15:48:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-18 15:48:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-18 15:48:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-18 15:48:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-18 15:48:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-18 15:48:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-18 15:48:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-18 15:48:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-18 15:48:34,944 INFO L242 CfgBuilder]: Building ICFG [2024-09-18 15:48:34,946 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-18 15:48:35,134 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-09-18 15:48:35,134 INFO L291 CfgBuilder]: Performing block encoding [2024-09-18 15:48:35,152 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-18 15:48:35,153 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-18 15:48:35,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:48:35 BoogieIcfgContainer [2024-09-18 15:48:35,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-18 15:48:35,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-18 15:48:35,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-18 15:48:35,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-18 15:48:35,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 03:48:34" (1/3) ... [2024-09-18 15:48:35,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a7c88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 03:48:35, skipping insertion in model container [2024-09-18 15:48:35,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:48:34" (2/3) ... [2024-09-18 15:48:35,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a7c88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 03:48:35, skipping insertion in model container [2024-09-18 15:48:35,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:48:35" (3/3) ... [2024-09-18 15:48:35,161 INFO L112 eAbstractionObserver]: Analyzing ICFG sumt9.c [2024-09-18 15:48:35,175 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-18 15:48:35,175 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-18 15:48:35,218 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-18 15:48:35,223 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;@3537a276, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-18 15:48:35,224 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-18 15:48:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 20 states have (on average 1.65) internal successors, (33), 22 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-18 15:48:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-18 15:48:35,234 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 15:48:35,234 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-18 15:48:35,235 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 15:48:35,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 15:48:35,243 INFO L85 PathProgramCache]: Analyzing trace with hash -917174592, now seen corresponding path program 1 times [2024-09-18 15:48:35,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 15:48:35,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773081482] [2024-09-18 15:48:35,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 15:48:35,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 15:48:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 15:48:36,332 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 15:48:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 15:48:36,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-18 15:48:36,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 15:48:36,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773081482] [2024-09-18 15:48:36,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773081482] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-18 15:48:36,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-18 15:48:36,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-18 15:48:36,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301001819] [2024-09-18 15:48:36,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-18 15:48:36,350 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-18 15:48:36,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 15:48:36,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-18 15:48:36,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-09-18 15:48:36,380 INFO L87 Difference]: Start difference. First operand has 28 states, 20 states have (on average 1.65) internal successors, (33), 22 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-18 15:48:36,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 15:48:36,772 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2024-09-18 15:48:36,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-18 15:48:36,774 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-09-18 15:48:36,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 15:48:36,780 INFO L225 Difference]: With dead ends: 69 [2024-09-18 15:48:36,780 INFO L226 Difference]: Without dead ends: 40 [2024-09-18 15:48:36,786 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-09-18 15:48:36,789 INFO L434 NwaCegarLoop]: 5 mSDtfsCounter, 69 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-18 15:48:36,790 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 27 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-18 15:48:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-09-18 15:48:36,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 31. [2024-09-18 15:48:36,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-18 15:48:36,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2024-09-18 15:48:36,840 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 13 [2024-09-18 15:48:36,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 15:48:36,841 INFO L474 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-09-18 15:48:36,841 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-18 15:48:36,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 15:48:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-09-18 15:48:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-09-18 15:48:36,842 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 15:48:36,842 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-18 15:48:36,843 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-18 15:48:36,843 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 15:48:36,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 15:48:36,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1434259399, now seen corresponding path program 1 times [2024-09-18 15:48:36,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 15:48:36,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590869906] [2024-09-18 15:48:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 15:48:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 15:48:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 15:48:37,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 15:48:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 15:48:37,195 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-09-18 15:48:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 15:48:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-18 15:48:37,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 15:48:37,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590869906] [2024-09-18 15:48:37,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590869906] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 15:48:37,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170785547] [2024-09-18 15:48:37,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 15:48:37,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 15:48:37,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 15:48:37,212 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) [2024-09-18 15:48:37,214 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-18 15:48:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 15:48:37,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-18 15:48:37,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 15:48:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-18 15:48:37,785 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 15:48:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-18 15:48:37,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170785547] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-18 15:48:37,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-18 15:48:37,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 9] total 18 [2024-09-18 15:48:37,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847151128] [2024-09-18 15:48:37,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-18 15:48:37,980 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-18 15:48:37,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 15:48:37,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-18 15:48:37,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-09-18 15:48:37,984 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-18 15:48:38,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 15:48:38,771 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2024-09-18 15:48:38,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-18 15:48:38,772 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2024-09-18 15:48:38,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 15:48:38,772 INFO L225 Difference]: With dead ends: 31 [2024-09-18 15:48:38,772 INFO L226 Difference]: Without dead ends: 0 [2024-09-18 15:48:38,773 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-09-18 15:48:38,774 INFO L434 NwaCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-09-18 15:48:38,774 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 30 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-09-18 15:48:38,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-18 15:48:38,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-18 15:48:38,775 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) [2024-09-18 15:48:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-18 15:48:38,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2024-09-18 15:48:38,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 15:48:38,776 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-18 15:48:38,776 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-18 15:48:38,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 15:48:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-18 15:48:38,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-18 15:48:38,779 INFO L785 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-18 15:48:38,795 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-18 15:48:38,983 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 [2024-09-18 15:48:38,987 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-18 15:48:38,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-18 15:48:39,151 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-18 15:48:39,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 03:48:39 BoogieIcfgContainer [2024-09-18 15:48:39,170 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-18 15:48:39,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-18 15:48:39,171 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-18 15:48:39,171 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-18 15:48:39,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:48:35" (3/4) ... [2024-09-18 15:48:39,173 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-18 15:48:39,222 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-18 15:48:39,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-18 15:48:39,225 INFO L158 Benchmark]: Toolchain (without parser) took 4725.88ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 120.6MB in the beginning and 94.9MB in the end (delta: 25.7MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-09-18 15:48:39,225 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 155.2MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-18 15:48:39,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.54ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 108.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-18 15:48:39,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.81ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 108.0MB in the end (delta: 857.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-18 15:48:39,226 INFO L158 Benchmark]: Boogie Preprocessor took 35.85ms. Allocated memory is still 155.2MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-18 15:48:39,226 INFO L158 Benchmark]: RCFGBuilder took 370.39ms. Allocated memory is still 155.2MB. Free memory was 105.9MB in the beginning and 91.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-18 15:48:39,227 INFO L158 Benchmark]: TraceAbstraction took 4015.50ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 91.2MB in the beginning and 98.1MB in the end (delta: -6.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-09-18 15:48:39,227 INFO L158 Benchmark]: Witness Printer took 53.37ms. Allocated memory is still 207.6MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-18 15:48:39,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 155.2MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.54ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 108.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.81ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 108.0MB in the end (delta: 857.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.85ms. Allocated memory is still 155.2MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.39ms. Allocated memory is still 155.2MB. Free memory was 105.9MB in the beginning and 91.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4015.50ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 91.2MB in the beginning and 98.1MB in the end (delta: -6.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 53.37ms. Allocated memory is still 207.6MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). 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: 10]: 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 4 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 12 mSDtfsCounter, 282 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=1, InterpolantAutomatonStates: 14, 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, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 794 SizeOfPredicates, 1 NumberOfNonLiveVariables, 103 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 12/18 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: 21]: Loop Invariant Derived loop invariant: (l == ((((((((i + k) + j) + v3) + v2) + v1) + v6) + v5) + v4)) - ProcedureContractResult [Line: 8]: 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! [2024-09-18 15:48:39,266 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/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