./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.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 e378df2c Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/loop-invgen/id_build.i.p+sep-reducer.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 f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f --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 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 14:17:23,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 14:17:23,674 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-15 14:17:23,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 14:17:23,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 14:17:23,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 14:17:23,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 14:17:23,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 14:17:23,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 14:17:23,707 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 14:17:23,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-15 14:17:23,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-15 14:17:23,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 14:17:23,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 14:17:23,709 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 14:17:23,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 14:17:23,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 14:17:23,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 14:17:23,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 14:17:23,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 14:17:23,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 14:17:23,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 14:17:23,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 14:17:23,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 14:17:23,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 14:17:23,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 14:17:23,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 14:17:23,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 14:17:23,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 14:17:23,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 14:17:23,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 14:17:23,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 14:17:23,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:17:23,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 14:17:23,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-15 14:17:23,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-15 14:17:23,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 14:17:23,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-15 14:17:23,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-15 14:17:23,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-15 14:17:23,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-15 14:17:23,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-15 14:17:23,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-10-15 14:17:23,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 14:17:24,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 14:17:24,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 14:17:24,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 14:17:24,023 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 14:17:24,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-10-15 14:17:25,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 14:17:25,791 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 14:17:25,792 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-10-15 14:17:25,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/6a6579125/c3b4806c01514b98bd105d805fe01f57/FLAG7d669d7e0 [2024-10-15 14:17:26,063 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/6a6579125/c3b4806c01514b98bd105d805fe01f57 [2024-10-15 14:17:26,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 14:17:26,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 14:17:26,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 14:17:26,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 14:17:26,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 14:17:26,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d48a06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26, skipping insertion in model container [2024-10-15 14:17:26,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 14:17:26,545 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/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-10-15 14:17:26,576 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/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-10-15 14:17:26,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:17:26,622 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 14:17:26,748 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/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-10-15 14:17:26,771 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/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-10-15 14:17:26,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:17:26,801 INFO L204 MainTranslator]: Completed translation [2024-10-15 14:17:26,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26 WrapperNode [2024-10-15 14:17:26,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 14:17:26,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 14:17:26,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 14:17:26,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 14:17:26,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,846 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 14:17:26,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 14:17:26,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 14:17:26,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 14:17:26,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 14:17:26,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,906 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-15 14:17:26,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:26,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 14:17:26,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 14:17:26,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 14:17:26,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 14:17:26,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (1/1) ... [2024-10-15 14:17:27,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:17:27,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 14:17:27,036 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) [2024-10-15 14:17:27,040 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 [2024-10-15 14:17:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 14:17:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 14:17:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 14:17:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 14:17:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 14:17:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 14:17:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 14:17:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 14:17:27,272 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 14:17:27,274 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 14:17:28,351 INFO L? ?]: Removed 549 outVars from TransFormulas that were not future-live. [2024-10-15 14:17:28,352 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 14:17:28,383 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 14:17:28,383 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 14:17:28,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:17:28 BoogieIcfgContainer [2024-10-15 14:17:28,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 14:17:28,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-15 14:17:28,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-15 14:17:28,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-15 14:17:28,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:17:26" (1/3) ... [2024-10-15 14:17:28,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd98213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:17:28, skipping insertion in model container [2024-10-15 14:17:28,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:17:26" (2/3) ... [2024-10-15 14:17:28,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd98213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:17:28, skipping insertion in model container [2024-10-15 14:17:28,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:17:28" (3/3) ... [2024-10-15 14:17:28,394 INFO L112 eAbstractionObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-10-15 14:17:28,414 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-15 14:17:28,414 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-15 14:17:28,492 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-15 14:17:28,498 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@590138a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-15 14:17:28,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-15 14:17:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 244 states have (on average 1.9754098360655739) internal successors, (482), 246 states have internal predecessors, (482), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-15 14:17:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-15 14:17:28,526 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:17:28,527 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 14:17:28,528 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:17:28,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:17:28,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1799652483, now seen corresponding path program 1 times [2024-10-15 14:17:28,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:17:28,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185950029] [2024-10-15 14:17:28,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:17:28,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:17:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:17:29,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:17:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:17:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 14:17:29,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:17:29,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185950029] [2024-10-15 14:17:29,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185950029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:17:29,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:17:29,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-15 14:17:29,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220129624] [2024-10-15 14:17:29,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:17:29,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-15 14:17:29,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:17:29,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 14:17:29,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-15 14:17:29,487 INFO L87 Difference]: Start difference. First operand has 251 states, 244 states have (on average 1.9754098360655739) internal successors, (482), 246 states have internal predecessors, (482), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-15 14:17:30,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:17:30,831 INFO L93 Difference]: Finished difference Result 259 states and 493 transitions. [2024-10-15 14:17:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-15 14:17:30,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 137 [2024-10-15 14:17:30,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:17:30,854 INFO L225 Difference]: With dead ends: 259 [2024-10-15 14:17:30,855 INFO L226 Difference]: Without dead ends: 245 [2024-10-15 14:17:30,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-15 14:17:30,861 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 857 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-15 14:17:30,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 20 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-15 14:17:30,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-10-15 14:17:30,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2024-10-15 14:17:30,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 241 states have (on average 1.157676348547718) internal successors, (279), 241 states have internal predecessors, (279), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-15 14:17:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 282 transitions. [2024-10-15 14:17:30,931 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 282 transitions. Word has length 137 [2024-10-15 14:17:30,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:17:30,932 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 282 transitions. [2024-10-15 14:17:30,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-15 14:17:30,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:17:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 282 transitions. [2024-10-15 14:17:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-15 14:17:30,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:17:30,936 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 14:17:30,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-15 14:17:30,937 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:17:30,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:17:30,938 INFO L85 PathProgramCache]: Analyzing trace with hash -210059526, now seen corresponding path program 1 times [2024-10-15 14:17:30,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:17:30,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865958970] [2024-10-15 14:17:30,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:17:30,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:17:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:17:31,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:17:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:17:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 14:17:31,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:17:31,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865958970] [2024-10-15 14:17:31,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865958970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:17:31,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:17:31,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-15 14:17:31,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274241718] [2024-10-15 14:17:31,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:17:31,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-15 14:17:31,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:17:31,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 14:17:31,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-15 14:17:31,199 INFO L87 Difference]: Start difference. First operand 245 states and 282 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-15 14:17:31,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:17:31,900 INFO L93 Difference]: Finished difference Result 245 states and 282 transitions. [2024-10-15 14:17:31,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-15 14:17:31,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 138 [2024-10-15 14:17:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:17:31,903 INFO L225 Difference]: With dead ends: 245 [2024-10-15 14:17:31,904 INFO L226 Difference]: Without dead ends: 0 [2024-10-15 14:17:31,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-15 14:17:31,908 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 484 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-15 14:17:31,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 13 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-15 14:17:31,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-15 14:17:31,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-15 14:17:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 14:17:31,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 14:17:31,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2024-10-15 14:17:31,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:17:31,912 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 14:17:31,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-15 14:17:31,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:17:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-15 14:17:31,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-15 14:17:31,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-10-15 14:17:31,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location mainErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-15 14:17:31,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-15 14:17:31,924 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-15 14:17:31,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-15 14:17:33,192 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-15 14:17:33,213 WARN L156 FloydHoareUtils]: Requires clause for main contained old-variable. Original clause: (= |old(~__return_1135~0)| ~__return_1135~0) Eliminated clause: true [2024-10-15 14:17:33,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:17:33 BoogieIcfgContainer [2024-10-15 14:17:33,218 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-15 14:17:33,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 14:17:33,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 14:17:33,230 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 14:17:33,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:17:28" (3/4) ... [2024-10-15 14:17:33,233 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-15 14:17:33,309 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-10-15 14:17:33,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 14:17:33,311 INFO L158 Benchmark]: Toolchain (without parser) took 7244.53ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 130.5MB in the beginning and 160.6MB in the end (delta: -30.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-10-15 14:17:33,312 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 161.5MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:17:33,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.58ms. Allocated memory is still 161.5MB. Free memory was 129.9MB in the beginning and 88.4MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-15 14:17:33,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.50ms. Allocated memory is still 161.5MB. Free memory was 88.4MB in the beginning and 87.6MB in the end (delta: 840.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:17:33,315 INFO L158 Benchmark]: Boogie Preprocessor took 144.79ms. Allocated memory is still 161.5MB. Free memory was 87.6MB in the beginning and 80.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 14:17:33,316 INFO L158 Benchmark]: RCFGBuilder took 1387.11ms. Allocated memory is still 161.5MB. Free memory was 80.0MB in the beginning and 56.4MB in the end (delta: 23.7MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-10-15 14:17:33,316 INFO L158 Benchmark]: TraceAbstraction took 4831.69ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 56.4MB in the beginning and 49.4MB in the end (delta: 6.9MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2024-10-15 14:17:33,316 INFO L158 Benchmark]: Witness Printer took 80.63ms. Allocated memory is still 199.2MB. Free memory was 163.8MB in the beginning and 160.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 14:17:33,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 161.5MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.58ms. Allocated memory is still 161.5MB. Free memory was 129.9MB in the beginning and 88.4MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.50ms. Allocated memory is still 161.5MB. Free memory was 88.4MB in the beginning and 87.6MB in the end (delta: 840.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 144.79ms. Allocated memory is still 161.5MB. Free memory was 87.6MB in the beginning and 80.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1387.11ms. Allocated memory is still 161.5MB. Free memory was 80.0MB in the beginning and 56.4MB in the end (delta: 23.7MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4831.69ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 56.4MB in the beginning and 49.4MB in the end (delta: 6.9MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 80.63ms. Allocated memory is still 199.2MB. Free memory was 163.8MB in the beginning and 160.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2003]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2312]: 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 3 procedures, 251 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1341 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1341 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2317 IncrementalHoareTripleChecker+Invalid, 2364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 9 mSDtfsCounter, 2317 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 611 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 2300]: Location Invariant Derived location invariant: (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) - InvariantResult [Line: 1060]: Location Invariant Derived location invariant: ((\old(__return_1135) == __return_1135) && (0 <= main__i)) - InvariantResult [Line: 945]: Location Invariant Derived location invariant: (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) - InvariantResult [Line: 1782]: Location Invariant Derived location invariant: (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) - InvariantResult [Line: 426]: Location Invariant Derived location invariant: (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) - InvariantResult [Line: 2303]: Location Invariant Derived location invariant: (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) - InvariantResult [Line: 2098]: Location Invariant Derived location invariant: ((\old(__return_1135) == __return_1135) && (0 <= main__i)) - InvariantResult [Line: 1579]: Location Invariant Derived location invariant: ((\old(__return_1135) == __return_1135) && (0 <= main__i)) - InvariantResult [Line: 1464]: Location Invariant Derived location invariant: (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) - InvariantResult [Line: 541]: Location Invariant Derived location invariant: ((\old(__return_1135) == __return_1135) && (0 <= main__i)) - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main. Ensures: (__return_main == \old(__return_main)) RESULT: Ultimate proved your program to be correct! [2024-10-15 14:17:33,360 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