./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/recursified_loop-crafted/recursified_simple_vardep_1.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 3d10641017a78060218b50f4d70d792898ed2d8ba6a3470f582f96f045a08878 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 21:01:38,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 21:01:38,750 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 21:01:38,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 21:01:38,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 21:01:38,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 21:01:38,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 21:01:38,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 21:01:38,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 21:01:38,781 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 21:01:38,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 21:01:38,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 21:01:38,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 21:01:38,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 21:01:38,783 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 21:01:38,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 21:01:38,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 21:01:38,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 21:01:38,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 21:01:38,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 21:01:38,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 21:01:38,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 21:01:38,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 21:01:38,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 21:01:38,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 21:01:38,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 21:01:38,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 21:01:38,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 21:01:38,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 21:01:38,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 21:01:38,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 21:01:38,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 21:01:38,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:01:38,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 21:01:38,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 21:01:38,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 21:01:38,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 21:01:38,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 21:01:38,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 21:01:38,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 21:01:38,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 21:01:38,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 21:01:38,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d10641017a78060218b50f4d70d792898ed2d8ba6a3470f582f96f045a08878 [2024-11-11 21:01:39,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 21:01:39,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 21:01:39,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 21:01:39,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 21:01:39,067 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 21:01:39,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_1.c [2024-11-11 21:01:40,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 21:01:40,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 21:01:40,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_1.c [2024-11-11 21:01:40,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094eb47da/bf55e439298b45b3ac814d34be0cecad/FLAG0cf937f89 [2024-11-11 21:01:40,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094eb47da/bf55e439298b45b3ac814d34be0cecad [2024-11-11 21:01:40,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 21:01:40,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 21:01:40,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 21:01:40,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 21:01:40,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 21:01:40,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:01:40" (1/1) ... [2024-11-11 21:01:40,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37887436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:40, skipping insertion in model container [2024-11-11 21:01:40,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:01:40" (1/1) ... [2024-11-11 21:01:40,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 21:01:40,959 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/recursified_loop-crafted/recursified_simple_vardep_1.c[1113,1126] [2024-11-11 21:01:40,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:01:40,990 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 21:01:41,002 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/recursified_loop-crafted/recursified_simple_vardep_1.c[1113,1126] [2024-11-11 21:01:41,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:01:41,027 INFO L204 MainTranslator]: Completed translation [2024-11-11 21:01:41,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41 WrapperNode [2024-11-11 21:01:41,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 21:01:41,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 21:01:41,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 21:01:41,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 21:01:41,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,065 INFO L138 Inliner]: procedures = 14, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2024-11-11 21:01:41,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 21:01:41,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 21:01:41,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 21:01:41,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 21:01:41,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,080 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,096 INFO L175 MemorySlicer]: Split 15 memory accesses to 4 slices as follows [2, 4, 5, 4]. 33 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [2, 1, 1, 1]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-11-11 21:01:41,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 21:01:41,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 21:01:41,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 21:01:41,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 21:01:41,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (1/1) ... [2024-11-11 21:01:41,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:01:41,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 21:01:41,153 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) [2024-11-11 21:01:41,157 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 [2024-11-11 21:01:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 21:01:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 21:01:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 21:01:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 21:01:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 21:01:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 21:01:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-11 21:01:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-11 21:01:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-11 21:01:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-11 21:01:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 21:01:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 21:01:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-11 21:01:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-11 21:01:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-11 21:01:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-11 21:01:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_25_0 [2024-11-11 21:01:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_25_0 [2024-11-11 21:01:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 21:01:41,323 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 21:01:41,326 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 21:01:41,497 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-11 21:01:41,501 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 21:01:41,515 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 21:01:41,516 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-11 21:01:41,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:01:41 BoogieIcfgContainer [2024-11-11 21:01:41,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 21:01:41,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 21:01:41,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 21:01:41,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 21:01:41,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 09:01:40" (1/3) ... [2024-11-11 21:01:41,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1ddfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:01:41, skipping insertion in model container [2024-11-11 21:01:41,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:01:41" (2/3) ... [2024-11-11 21:01:41,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1ddfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:01:41, skipping insertion in model container [2024-11-11 21:01:41,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:01:41" (3/3) ... [2024-11-11 21:01:41,528 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_simple_vardep_1.c [2024-11-11 21:01:41,546 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 21:01:41,547 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 21:01:41,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 21:01:41,725 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;@4576c5bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 21:01:41,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 21:01:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 21:01:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-11 21:01:41,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:01:41,752 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:01:41,752 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:01:41,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:01:41,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1826176574, now seen corresponding path program 1 times [2024-11-11 21:01:41,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:01:41,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992755156] [2024-11-11 21:01:41,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:01:41,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:01:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:01:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:01:42,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:01:42,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992755156] [2024-11-11 21:01:42,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992755156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:01:42,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:01:42,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 21:01:42,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898099273] [2024-11-11 21:01:42,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:01:42,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 21:01:42,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:01:42,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 21:01:42,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 21:01:42,875 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:01:42,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:01:42,991 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2024-11-11 21:01:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 21:01:42,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-11 21:01:42,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:01:42,999 INFO L225 Difference]: With dead ends: 32 [2024-11-11 21:01:43,000 INFO L226 Difference]: Without dead ends: 13 [2024-11-11 21:01:43,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:01:43,009 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:01:43,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 57 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:01:43,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-11 21:01:43,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-11 21:01:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:01:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-11 21:01:43,049 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2024-11-11 21:01:43,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:01:43,050 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-11 21:01:43,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:01:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-11 21:01:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-11 21:01:43,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:01:43,052 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:01:43,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 21:01:43,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:01:43,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:01:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash -42941532, now seen corresponding path program 1 times [2024-11-11 21:01:43,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:01:43,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841793665] [2024-11-11 21:01:43,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:01:43,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:01:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:01:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:01:44,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:01:44,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841793665] [2024-11-11 21:01:44,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841793665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 21:01:44,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002844461] [2024-11-11 21:01:44,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:01:44,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 21:01:44,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 21:01:44,124 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) [2024-11-11 21:01:44,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-11 21:01:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:01:44,427 WARN L254 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-11 21:01:44,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 21:01:44,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-11 21:01:44,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-11 21:01:44,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-11 21:01:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:01:44,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 21:01:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-11 21:01:45,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002844461] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 21:01:45,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 21:01:45,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 6] total 18 [2024-11-11 21:01:45,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530474123] [2024-11-11 21:01:45,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 21:01:45,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-11 21:01:45,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:01:45,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-11 21:01:45,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:01:45,125 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 18 states, 15 states have (on average 1.6) internal successors, (24), 13 states have internal predecessors, (24), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:01:45,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:01:45,354 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-11 21:01:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:01:45,354 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.6) internal successors, (24), 13 states have internal predecessors, (24), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-11 21:01:45,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:01:45,355 INFO L225 Difference]: With dead ends: 17 [2024-11-11 21:01:45,355 INFO L226 Difference]: Without dead ends: 0 [2024-11-11 21:01:45,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2024-11-11 21:01:45,357 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:01:45,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 28 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:01:45,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-11 21:01:45,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-11 21:01:45,359 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) [2024-11-11 21:01:45,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-11 21:01:45,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2024-11-11 21:01:45,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:01:45,360 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-11 21:01:45,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.6) internal successors, (24), 13 states have internal predecessors, (24), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:01:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-11 21:01:45,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-11 21:01:45,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_20_to_25_0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 21:01:45,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-11 21:01:45,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 21:01:45,568 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-11 21:01:45,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-11 21:01:45,790 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 21:01:45,816 WARN L156 FloydHoareUtils]: Requires clause for func_to_recursive_line_20_to_25_0 contained old-variable. Original clause: (let ((.cse9 (select |old(#memory_int#1)| |func_to_recursive_line_20_to_25_0_#in~j#1.base|)) (.cse8 (select |#memory_int#2| |func_to_recursive_line_20_to_25_0_#in~k#1.base|))) (let ((.cse0 (not (= |func_to_recursive_line_20_to_25_0_#in~j#1.offset| 0))) (.cse3 (select .cse8 0)) (.cse5 (not (= |func_to_recursive_line_20_to_25_0_#in~k#1.offset| 0))) (.cse1 (select .cse9 0)) (.cse6 (select |#memory_int#1| |func_to_recursive_line_20_to_25_0_#in~j#1.base|)) (.cse2 (select (select |#memory_int#3| |func_to_recursive_line_20_to_25_0_#in~i#1.base|) |func_to_recursive_line_20_to_25_0_#in~i#1.offset|)) (.cse4 (select |old(#memory_int#2)| |func_to_recursive_line_20_to_25_0_#in~k#1.base|)) (.cse7 (select (select |old(#memory_int#3)| |func_to_recursive_line_20_to_25_0_#in~i#1.base|) |func_to_recursive_line_20_to_25_0_#in~i#1.offset|))) (and (or .cse0 (not (= .cse1 0)) (and (= .cse2 0) (= .cse3 0)) (not (= (select .cse4 0) 0)) .cse5) (or .cse0 (and (= .cse3 3) (= (select .cse6 0) 2)) (not (= .cse7 1)) .cse5 (not (= 2 .cse1))) (= (select .cse8 |func_to_recursive_line_20_to_25_0_#in~k#1.offset|) (+ (select .cse6 |func_to_recursive_line_20_to_25_0_#in~j#1.offset|) .cse2)) (= (select .cse4 |func_to_recursive_line_20_to_25_0_#in~k#1.offset|) (+ .cse7 (select .cse9 |func_to_recursive_line_20_to_25_0_#in~j#1.offset|)))))) Eliminated clause: (let ((.cse9 (select |#memory_int#2| |func_to_recursive_line_20_to_25_0_#in~k#1.base|)) (.cse6 (select |#memory_int#1| |func_to_recursive_line_20_to_25_0_#in~j#1.base|)) (.cse2 (select (select |#memory_int#3| |func_to_recursive_line_20_to_25_0_#in~i#1.base|) |func_to_recursive_line_20_to_25_0_#in~i#1.offset|))) (and (exists ((|old(#memory_int#1)| (Array Int (Array Int Int))) (|old(#memory_int#3)| (Array Int (Array Int Int))) (|old(#memory_int#2)| (Array Int (Array Int Int)))) (let ((.cse8 (select |old(#memory_int#1)| |func_to_recursive_line_20_to_25_0_#in~j#1.base|))) (let ((.cse0 (not (= |func_to_recursive_line_20_to_25_0_#in~j#1.offset| 0))) (.cse3 (select .cse9 0)) (.cse5 (not (= |func_to_recursive_line_20_to_25_0_#in~k#1.offset| 0))) (.cse1 (select .cse8 0)) (.cse4 (select |old(#memory_int#2)| |func_to_recursive_line_20_to_25_0_#in~k#1.base|)) (.cse7 (select (select |old(#memory_int#3)| |func_to_recursive_line_20_to_25_0_#in~i#1.base|) |func_to_recursive_line_20_to_25_0_#in~i#1.offset|))) (and (or .cse0 (not (= .cse1 0)) (and (= .cse2 0) (= .cse3 0)) (not (= (select .cse4 0) 0)) .cse5) (or .cse0 (and (= .cse3 3) (= (select .cse6 0) 2)) (not (= .cse7 1)) .cse5 (not (= 2 .cse1))) (= (select .cse4 |func_to_recursive_line_20_to_25_0_#in~k#1.offset|) (+ .cse7 (select .cse8 |func_to_recursive_line_20_to_25_0_#in~j#1.offset|))))))) (= (select .cse9 |func_to_recursive_line_20_to_25_0_#in~k#1.offset|) (+ (select .cse6 |func_to_recursive_line_20_to_25_0_#in~j#1.offset|) .cse2)))) [2024-11-11 21:01:45,826 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-11 21:01:45,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-11 21:01:45,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-11-11 21:01:45,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~k!base,]]] [2024-11-11 21:01:45,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-11 21:01:45,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-11 21:01:45,830 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~j!base,]]] [2024-11-11 21:01:45,830 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-11-11 21:01:45,830 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-11-11 21:01:45,830 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[#in~i!base,]]] [2024-11-11 21:01:45,831 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-11-11 21:01:45,832 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#2,GLOBAL]] [2024-11-11 21:01:45,832 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#2,GLOBAL]],[IdentifierExpression[#in~k!base,]]] [2024-11-11 21:01:45,832 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-11-11 21:01:45,832 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#3,GLOBAL]] [2024-11-11 21:01:45,833 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#3,GLOBAL]],[IdentifierExpression[#in~i!base,]]] [2024-11-11 21:01:45,833 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-11 21:01:45,833 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#1,GLOBAL]] [2024-11-11 21:01:45,833 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#1,GLOBAL]],[IdentifierExpression[#in~j!base,]]] [2024-11-11 21:01:45,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 09:01:45 BoogieIcfgContainer [2024-11-11 21:01:45,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 21:01:45,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 21:01:45,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 21:01:45,838 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 21:01:45,838 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:01:41" (3/4) ... [2024-11-11 21:01:45,841 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 21:01:45,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_20_to_25_0 [2024-11-11 21:01:45,849 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-11 21:01:45,850 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-11 21:01:45,850 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-11 21:01:45,850 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 21:01:45,939 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 21:01:45,939 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-11 21:01:45,939 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 21:01:45,940 INFO L158 Benchmark]: Toolchain (without parser) took 5185.91ms. Allocated memory was 174.1MB in the beginning and 245.4MB in the end (delta: 71.3MB). Free memory was 102.9MB in the beginning and 121.1MB in the end (delta: -18.1MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-11-11 21:01:45,940 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 21:01:45,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.96ms. Allocated memory is still 174.1MB. Free memory was 102.9MB in the beginning and 90.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-11 21:01:45,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.80ms. Allocated memory is still 174.1MB. Free memory was 90.6MB in the beginning and 89.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 21:01:45,941 INFO L158 Benchmark]: Boogie Preprocessor took 48.97ms. Allocated memory is still 174.1MB. Free memory was 89.0MB in the beginning and 87.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 21:01:45,942 INFO L158 Benchmark]: RCFGBuilder took 400.64ms. Allocated memory is still 174.1MB. Free memory was 87.1MB in the beginning and 74.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-11 21:01:45,942 INFO L158 Benchmark]: TraceAbstraction took 4317.64ms. Allocated memory was 174.1MB in the beginning and 245.4MB in the end (delta: 71.3MB). Free memory was 73.6MB in the beginning and 126.3MB in the end (delta: -52.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-11 21:01:45,943 INFO L158 Benchmark]: Witness Printer took 101.99ms. Allocated memory is still 245.4MB. Free memory was 126.3MB in the beginning and 121.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-11 21:01:45,945 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.96ms. Allocated memory is still 174.1MB. Free memory was 102.9MB in the beginning and 90.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.80ms. Allocated memory is still 174.1MB. Free memory was 90.6MB in the beginning and 89.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.97ms. Allocated memory is still 174.1MB. Free memory was 89.0MB in the beginning and 87.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.64ms. Allocated memory is still 174.1MB. Free memory was 87.1MB in the beginning and 74.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4317.64ms. Allocated memory was 174.1MB in the beginning and 245.4MB in the end (delta: 71.3MB). Free memory was 73.6MB in the beginning and 126.3MB in the end (delta: -52.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Witness Printer took 101.99ms. Allocated memory is still 245.4MB. Free memory was 126.3MB in the beginning and 121.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~k!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~j!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[#in~i!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#2,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#2,GLOBAL]],[IdentifierExpression[#in~k!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#3,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#3,GLOBAL]],[IdentifierExpression[#in~i!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#1,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#1,GLOBAL]],[IdentifierExpression[#in~j!base,]]] * 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: 26]: 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 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 19 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 665 SizeOfPredicates, 27 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-11 21:01:45,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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