./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ss2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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/array-fpi/ss2f.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 2bc09bd64500ce84828799e1b8f3bf98a7ee19cb7e359a47594550eda9829607 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 09:30:49,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 09:30:49,497 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 09:30:49,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 09:30:49,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 09:30:49,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 09:30:49,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 09:30:49,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 09:30:49,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 09:30:49,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 09:30:49,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 09:30:49,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 09:30:49,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 09:30:49,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 09:30:49,545 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 09:30:49,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 09:30:49,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 09:30:49,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 09:30:49,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 09:30:49,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 09:30:49,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 09:30:49,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 09:30:49,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 09:30:49,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 09:30:49,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 09:30:49,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 09:30:49,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 09:30:49,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 09:30:49,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 09:30:49,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 09:30:49,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 09:30:49,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 09:30:49,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 09:30:49,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 09:30:49,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 09:30:49,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 09:30:49,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 09:30:49,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 09:30:49,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 09:30:49,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 09:30:49,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 09:30:49,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 09:30:49,560 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bc09bd64500ce84828799e1b8f3bf98a7ee19cb7e359a47594550eda9829607 [2024-11-18 09:30:49,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 09:30:49,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 09:30:49,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 09:30:49,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 09:30:49,862 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 09:30:49,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ss2f.c [2024-11-18 09:30:51,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 09:30:51,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 09:30:51,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ss2f.c [2024-11-18 09:30:51,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e56bedb0/a33162da7d6742afb4a9933687f4f139/FLAG54c0334cc [2024-11-18 09:30:51,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e56bedb0/a33162da7d6742afb4a9933687f4f139 [2024-11-18 09:30:51,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 09:30:51,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 09:30:51,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 09:30:51,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 09:30:51,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 09:30:51,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb2503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51, skipping insertion in model container [2024-11-18 09:30:51,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 09:30:51,703 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/ss2f.c[587,600] [2024-11-18 09:30:51,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 09:30:51,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 09:30:51,746 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/ss2f.c[587,600] [2024-11-18 09:30:51,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 09:30:51,771 INFO L204 MainTranslator]: Completed translation [2024-11-18 09:30:51,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51 WrapperNode [2024-11-18 09:30:51,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 09:30:51,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 09:30:51,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 09:30:51,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 09:30:51,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,810 INFO L138 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2024-11-18 09:30:51,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 09:30:51,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 09:30:51,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 09:30:51,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 09:30:51,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,824 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,841 INFO L175 MemorySlicer]: Split 25 memory accesses to 4 slices as follows [2, 7, 9, 7]. 36 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 7 writes are split as follows [0, 0, 4, 3]. [2024-11-18 09:30:51,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 09:30:51,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 09:30:51,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 09:30:51,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 09:30:51,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (1/1) ... [2024-11-18 09:30:51,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 09:30:51,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:30:51,895 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) [2024-11-18 09:30:51,898 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 [2024-11-18 09:30:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 09:30:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 09:30:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 09:30:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 09:30:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 09:30:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 09:30:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 09:30:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 09:30:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 09:30:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-18 09:30:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-18 09:30:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 09:30:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 09:30:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 09:30:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 09:30:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-18 09:30:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-18 09:30:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 09:30:52,056 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 09:30:52,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 09:30:52,294 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-18 09:30:52,294 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 09:30:52,307 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 09:30:52,308 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-18 09:30:52,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:52 BoogieIcfgContainer [2024-11-18 09:30:52,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 09:30:52,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 09:30:52,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 09:30:52,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 09:30:52,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:30:51" (1/3) ... [2024-11-18 09:30:52,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36555c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:30:52, skipping insertion in model container [2024-11-18 09:30:52,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:51" (2/3) ... [2024-11-18 09:30:52,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36555c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:30:52, skipping insertion in model container [2024-11-18 09:30:52,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:52" (3/3) ... [2024-11-18 09:30:52,319 INFO L112 eAbstractionObserver]: Analyzing ICFG ss2f.c [2024-11-18 09:30:52,336 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 09:30:52,337 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 09:30:52,401 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 09:30:52,411 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;@764da6d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 09:30:52,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 09:30:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 32 states have internal predecessors, (49), 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) [2024-11-18 09:30:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-18 09:30:52,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:30:52,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:30:52,425 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:30:52,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:30:52,431 INFO L85 PathProgramCache]: Analyzing trace with hash -642180410, now seen corresponding path program 1 times [2024-11-18 09:30:52,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:30:52,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656696601] [2024-11-18 09:30:52,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:30:52,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:30:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:30:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:30:52,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:30:52,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656696601] [2024-11-18 09:30:52,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656696601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:30:52,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:30:52,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 09:30:52,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691687258] [2024-11-18 09:30:52,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:30:52,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 09:30:52,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:30:52,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 09:30:52,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 09:30:52,675 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 32 states have internal predecessors, (49), 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 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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) [2024-11-18 09:30:52,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:30:52,692 INFO L93 Difference]: Finished difference Result 62 states and 92 transitions. [2024-11-18 09:30:52,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 09:30:52,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 20 [2024-11-18 09:30:52,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:30:52,700 INFO L225 Difference]: With dead ends: 62 [2024-11-18 09:30:52,700 INFO L226 Difference]: Without dead ends: 29 [2024-11-18 09:30:52,703 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 [2024-11-18 09:30:52,706 INFO L432 NwaCegarLoop]: 40 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, 40 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 [2024-11-18 09:30:52,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 09:30:52,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-18 09:30:52,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-18 09:30:52,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 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) [2024-11-18 09:30:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2024-11-18 09:30:52,736 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 20 [2024-11-18 09:30:52,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:30:52,736 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2024-11-18 09:30:52,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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) [2024-11-18 09:30:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-18 09:30:52,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-18 09:30:52,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:30:52,738 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:30:52,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 09:30:52,739 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:30:52,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:30:52,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1011332042, now seen corresponding path program 1 times [2024-11-18 09:30:52,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:30:52,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797991894] [2024-11-18 09:30:52,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:30:52,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:30:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 09:30:52,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 09:30:52,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 09:30:52,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797991894] [2024-11-18 09:30:52,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797991894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 09:30:52,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 09:30:52,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 09:30:52,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644642005] [2024-11-18 09:30:52,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 09:30:52,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 09:30:52,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 09:30:52,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 09:30:52,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 09:30:52,961 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-18 09:30:53,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 09:30:53,086 INFO L93 Difference]: Finished difference Result 69 states and 86 transitions. [2024-11-18 09:30:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 09:30:53,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2024-11-18 09:30:53,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 09:30:53,089 INFO L225 Difference]: With dead ends: 69 [2024-11-18 09:30:53,089 INFO L226 Difference]: Without dead ends: 47 [2024-11-18 09:30:53,090 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 [2024-11-18 09:30:53,091 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 59 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 09:30:53,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 19 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 09:30:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-18 09:30:53,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 35. [2024-11-18 09:30:53,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 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) [2024-11-18 09:30:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2024-11-18 09:30:53,105 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 20 [2024-11-18 09:30:53,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 09:30:53,106 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2024-11-18 09:30:53,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-18 09:30:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-11-18 09:30:53,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-18 09:30:53,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 09:30:53,108 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 09:30:53,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 09:30:53,108 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 09:30:53,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 09:30:53,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1890076394, now seen corresponding path program 1 times [2024-11-18 09:30:53,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 09:30:53,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697908577] [2024-11-18 09:30:53,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:30:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 09:30:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 09:30:53,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1346784698] [2024-11-18 09:30:53,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 09:30:53,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 09:30:53,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 09:30:53,208 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) [2024-11-18 09:30:53,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 09:30:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 09:30:53,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 09:30:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 09:30:53,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 09:30:53,446 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 09:30:53,448 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 09:30:53,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 09:30:53,653 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 [2024-11-18 09:30:53,659 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 09:30:53,695 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 09:30:53,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:30:53 BoogieIcfgContainer [2024-11-18 09:30:53,701 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 09:30:53,702 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 09:30:53,702 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 09:30:53,702 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 09:30:53,703 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:52" (3/4) ... [2024-11-18 09:30:53,704 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-18 09:30:53,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 09:30:53,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 09:30:53,757 INFO L158 Benchmark]: Toolchain (without parser) took 2264.15ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 128.8MB in the beginning and 202.9MB in the end (delta: -74.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 09:30:53,757 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 184.5MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 09:30:53,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.12ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 115.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 09:30:53,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.48ms. Allocated memory is still 184.5MB. Free memory was 115.4MB in the beginning and 113.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 09:30:53,758 INFO L158 Benchmark]: Boogie Preprocessor took 47.20ms. Allocated memory is still 184.5MB. Free memory was 113.3MB in the beginning and 111.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 09:30:53,758 INFO L158 Benchmark]: RCFGBuilder took 450.24ms. Allocated memory is still 184.5MB. Free memory was 111.2MB in the beginning and 95.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 09:30:53,759 INFO L158 Benchmark]: TraceAbstraction took 1389.77ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 95.3MB in the beginning and 205.6MB in the end (delta: -110.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 09:30:53,759 INFO L158 Benchmark]: Witness Printer took 54.07ms. Allocated memory is still 247.5MB. Free memory was 205.6MB in the beginning and 202.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 09:30:53,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 184.5MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.12ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 115.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.48ms. Allocated memory is still 184.5MB. Free memory was 115.4MB in the beginning and 113.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.20ms. Allocated memory is still 184.5MB. Free memory was 113.3MB in the beginning and 111.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.24ms. Allocated memory is still 184.5MB. Free memory was 111.2MB in the beginning and 95.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1389.77ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 95.3MB in the beginning and 205.6MB in the end (delta: -110.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.07ms. Allocated memory is still 247.5MB. Free memory was 205.6MB in the beginning and 202.9MB in the end (delta: 2.7MB). 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] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1, a={-1:0}, i=0, sum={5:0}] [L32] COND TRUE i