./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/modpf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-fpi/modpf.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 61f279515dc246fff43fc3ce83c4d2998ba719de7dc60a31302f8b9cd2dc8a22 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 21:07:31,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 21:07:32,015 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 21:07:32,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 21:07:32,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 21:07:32,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 21:07:32,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 21:07:32,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 21:07:32,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 21:07:32,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 21:07:32,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 21:07:32,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 21:07:32,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 21:07:32,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 21:07:32,077 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 21:07:32,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 21:07:32,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 21:07:32,077 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 21:07:32,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 21:07:32,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 21:07:32,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 21:07:32,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 21:07:32,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 21:07:32,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 21:07:32,079 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 21:07:32,079 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 21:07:32,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 21:07:32,080 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 21:07:32,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 21:07:32,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 21:07:32,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 21:07:32,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 21:07:32,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 21:07:32,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 21:07:32,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 21:07:32,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 21:07:32,081 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 21:07:32,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 21:07:32,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 21:07:32,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 21:07:32,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 21:07:32,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 21:07:32,082 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61f279515dc246fff43fc3ce83c4d2998ba719de7dc60a31302f8b9cd2dc8a22 [2024-11-21 21:07:32,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 21:07:32,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 21:07:32,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 21:07:32,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 21:07:32,328 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 21:07:32,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/modpf.c [2024-11-21 21:07:33,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 21:07:33,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 21:07:33,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/modpf.c [2024-11-21 21:07:33,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45865d231/2285ae743b24438d920640368121f39f/FLAG8ae49e614 [2024-11-21 21:07:33,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45865d231/2285ae743b24438d920640368121f39f [2024-11-21 21:07:33,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 21:07:33,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 21:07:33,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 21:07:33,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 21:07:33,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 21:07:33,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:07:33" (1/1) ... [2024-11-21 21:07:33,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7a584b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:33, skipping insertion in model container [2024-11-21 21:07:33,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:07:33" (1/1) ... [2024-11-21 21:07:33,862 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 21:07:34,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/modpf.c[588,601] [2024-11-21 21:07:34,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 21:07:34,028 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 21:07:34,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/modpf.c[588,601] [2024-11-21 21:07:34,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 21:07:34,060 INFO L204 MainTranslator]: Completed translation [2024-11-21 21:07:34,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34 WrapperNode [2024-11-21 21:07:34,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 21:07:34,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 21:07:34,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 21:07:34,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 21:07:34,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,095 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-11-21 21:07:34,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 21:07:34,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 21:07:34,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 21:07:34,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 21:07:34,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,118 INFO L175 MemorySlicer]: Split 16 memory accesses to 4 slices as follows [2, 8, 4, 2]. 50 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0, 0]. The 3 writes are split as follows [0, 0, 2, 1]. [2024-11-21 21:07:34,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 21:07:34,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 21:07:34,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 21:07:34,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 21:07:34,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (1/1) ... [2024-11-21 21:07:34,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 21:07:34,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 21:07:34,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-21 21:07:34,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-21 21:07:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 21:07:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-21 21:07:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-21 21:07:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-21 21:07:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-21 21:07:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 21:07:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-21 21:07:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-21 21:07:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-21 21:07:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-21 21:07:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 21:07:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 21:07:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 21:07:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-21 21:07:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-21 21:07:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-21 21:07:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-21 21:07:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 21:07:34,258 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 21:07:34,260 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 21:07:34,467 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-21 21:07:34,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 21:07:34,481 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 21:07:34,481 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-21 21:07:34,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:07:34 BoogieIcfgContainer [2024-11-21 21:07:34,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 21:07:34,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 21:07:34,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 21:07:34,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 21:07:34,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:07:33" (1/3) ... [2024-11-21 21:07:34,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c42f957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:07:34, skipping insertion in model container [2024-11-21 21:07:34,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:34" (2/3) ... [2024-11-21 21:07:34,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c42f957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:07:34, skipping insertion in model container [2024-11-21 21:07:34,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:07:34" (3/3) ... [2024-11-21 21:07:34,488 INFO L112 eAbstractionObserver]: Analyzing ICFG modpf.c [2024-11-21 21:07:34,500 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 21:07:34,500 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 21:07:34,546 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 21:07:34,552 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@96310cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 21:07:34,552 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 21:07:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 21:07:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-21 21:07:34,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 21:07:34,560 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 21:07:34,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 21:07:34,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 21:07:34,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2024-11-21 21:07:34,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 21:07:34,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835934004] [2024-11-21 21:07:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 21:07:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 21:07:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 21:07:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 21:07:34,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 21:07:34,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835934004] [2024-11-21 21:07:34,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835934004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 21:07:34,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 21:07:34,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 21:07:34,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778103074] [2024-11-21 21:07:34,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 21:07:34,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 21:07:34,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 21:07:34,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 21:07:34,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 21:07:34,822 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 21:07:34,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 21:07:34,835 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2024-11-21 21:07:34,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 21:07:34,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-21 21:07:34,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 21:07:34,845 INFO L225 Difference]: With dead ends: 38 [2024-11-21 21:07:34,848 INFO L226 Difference]: Without dead ends: 17 [2024-11-21 21:07:34,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 21:07:34,854 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 21:07:34,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 21:07:34,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-21 21:07:34,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-21 21:07:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 21:07:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-21 21:07:34,879 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2024-11-21 21:07:34,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 21:07:34,880 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-21 21:07:34,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 21:07:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-21 21:07:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-21 21:07:34,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 21:07:34,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 21:07:34,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 21:07:34,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 21:07:34,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 21:07:34,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2024-11-21 21:07:34,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 21:07:34,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813659723] [2024-11-21 21:07:34,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 21:07:34,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 21:07:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 21:07:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 21:07:35,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 21:07:35,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813659723] [2024-11-21 21:07:35,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813659723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 21:07:35,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 21:07:35,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 21:07:35,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88784852] [2024-11-21 21:07:35,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 21:07:35,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 21:07:35,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 21:07:35,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 21:07:35,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 21:07:35,046 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 21:07:35,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 21:07:35,097 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2024-11-21 21:07:35,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 21:07:35,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-21 21:07:35,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 21:07:35,098 INFO L225 Difference]: With dead ends: 37 [2024-11-21 21:07:35,098 INFO L226 Difference]: Without dead ends: 27 [2024-11-21 21:07:35,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 21:07:35,099 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 22 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 21:07:35,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 15 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 21:07:35,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-21 21:07:35,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2024-11-21 21:07:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 21:07:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-11-21 21:07:35,107 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 12 [2024-11-21 21:07:35,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 21:07:35,108 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-21 21:07:35,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 21:07:35,108 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-21 21:07:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-21 21:07:35,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 21:07:35,109 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 21:07:35,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 21:07:35,109 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 21:07:35,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 21:07:35,111 INFO L85 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2024-11-21 21:07:35,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 21:07:35,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669137000] [2024-11-21 21:07:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 21:07:35,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 21:07:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-21 21:07:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1343162295] [2024-11-21 21:07:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 21:07:35,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 21:07:35,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 21:07:35,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 21:07:35,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-21 21:07:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 21:07:35,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 21:07:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 21:07:35,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 21:07:35,277 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-21 21:07:35,278 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 21:07:35,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-21 21:07:35,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 21:07:35,483 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-21 21:07:35,504 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 21:07:35,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:07:35 BoogieIcfgContainer [2024-11-21 21:07:35,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 21:07:35,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 21:07:35,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 21:07:35,510 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 21:07:35,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:07:34" (3/4) ... [2024-11-21 21:07:35,511 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-21 21:07:35,550 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-21 21:07:35,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 21:07:35,551 INFO L158 Benchmark]: Toolchain (without parser) took 1713.53ms. Allocated memory is still 188.7MB. Free memory was 119.4MB in the beginning and 104.3MB in the end (delta: 15.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-21 21:07:35,552 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory was 77.0MB in the beginning and 76.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 21:07:35,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.22ms. Allocated memory is still 188.7MB. Free memory was 119.2MB in the beginning and 106.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-21 21:07:35,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.50ms. Allocated memory is still 188.7MB. Free memory was 106.4MB in the beginning and 104.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 21:07:35,555 INFO L158 Benchmark]: Boogie Preprocessor took 35.25ms. Allocated memory is still 188.7MB. Free memory was 104.6MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 21:07:35,556 INFO L158 Benchmark]: RCFGBuilder took 349.69ms. Allocated memory is still 188.7MB. Free memory was 102.6MB in the beginning and 154.7MB in the end (delta: -52.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-21 21:07:35,556 INFO L158 Benchmark]: TraceAbstraction took 1024.62ms. Allocated memory is still 188.7MB. Free memory was 153.9MB in the beginning and 106.4MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-21 21:07:35,556 INFO L158 Benchmark]: Witness Printer took 42.39ms. Allocated memory is still 188.7MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 21:07:35,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory was 77.0MB in the beginning and 76.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.22ms. Allocated memory is still 188.7MB. Free memory was 119.2MB in the beginning and 106.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.50ms. Allocated memory is still 188.7MB. Free memory was 106.4MB in the beginning and 104.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.25ms. Allocated memory is still 188.7MB. Free memory was 104.6MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.69ms. Allocated memory is still 188.7MB. Free memory was 102.6MB in the beginning and 154.7MB in the end (delta: -52.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1024.62ms. Allocated memory is still 188.7MB. Free memory was 153.9MB in the beginning and 106.4MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 42.39ms. Allocated memory is still 188.7MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.1MB). 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1, a={-1:0}, i=0, sum={4:0}] [L32] COND TRUE i