./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd --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 64bit --witnessprinter.graph.data.programhash 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:37:34,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:37:34,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 13:37:34,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:37:34,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:37:34,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:37:34,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:37:34,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:37:34,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:37:34,498 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:37:34,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:37:34,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:37:34,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:37:34,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:37:34,500 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:37:34,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:37:34,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:37:34,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:37:34,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:37:34,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:37:34,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:37:34,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:37:34,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:37:34,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:37:34,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:37:34,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:37:34,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:37:34,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:37:34,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:37:34,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:37:34,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:37:34,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:37:34,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:37:34,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:37:34,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:37:34,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:37:34,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:37:34,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:37:34,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:37:34,505 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee [2024-11-13 13:37:34,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:37:34,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:37:34,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:37:34,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:37:34,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:37:34,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i Unable to find full path for "g++" [2024-11-13 13:37:36,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:37:37,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:37:37,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i [2024-11-13 13:37:37,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/data/a13d2a6ed/3881faf8513745828cfaffcaf3bab3a4/FLAG45355d028 [2024-11-13 13:37:37,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/data/a13d2a6ed/3881faf8513745828cfaffcaf3bab3a4 [2024-11-13 13:37:37,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:37:37,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:37:37,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:37:37,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:37:37,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:37:37,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:37:37" (1/1) ... [2024-11-13 13:37:37,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@946060e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:37, skipping insertion in model container [2024-11-13 13:37:37,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:37:37" (1/1) ... [2024-11-13 13:37:37,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:37:37,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i[1094,1107] [2024-11-13 13:37:37,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:37:37,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:37:37,980 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i[1094,1107] [2024-11-13 13:37:38,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:37:38,068 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:37:38,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38 WrapperNode [2024-11-13 13:37:38,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:37:38,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:37:38,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:37:38,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:37:38,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,124 INFO L138 Inliner]: procedures = 187, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-13 13:37:38,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:37:38,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:37:38,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:37:38,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:37:38,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,145 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,166 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:37:38,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:37:38,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:37:38,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:37:38,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:37:38,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (1/1) ... [2024-11-13 13:37:38,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:37:38,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:37:38,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:37:38,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:37:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:37:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:37:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:37:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:37:38,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:37:38,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:37:38,497 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 13:37:38,497 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:37:38,506 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:37:38,506 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:37:38,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:37:38 BoogieIcfgContainer [2024-11-13 13:37:38,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:37:38,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:37:38,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:37:38,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:37:38,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:37:37" (1/3) ... [2024-11-13 13:37:38,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1dcbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:37:38, skipping insertion in model container [2024-11-13 13:37:38,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:38" (2/3) ... [2024-11-13 13:37:38,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1dcbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:37:38, skipping insertion in model container [2024-11-13 13:37:38,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:37:38" (3/3) ... [2024-11-13 13:37:38,517 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_18-simple-else_unknown_2_neg.i [2024-11-13 13:37:38,529 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:37:38,531 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_18-simple-else_unknown_2_neg.i that has 1 procedures, 14 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-13 13:37:38,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:37:38,597 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;@3704e432, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:37:38,597 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:37:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 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) [2024-11-13 13:37:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 13:37:38,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:37:38,607 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 13:37:38,608 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-13 13:37:38,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:37:38,613 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-11-13 13:37:38,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:37:38,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476525048] [2024-11-13 13:37:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:38,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:37:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:37:38,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:37:39,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476525048] [2024-11-13 13:37:39,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476525048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:37:39,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:37:39,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:37:39,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902518594] [2024-11-13 13:37:39,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:37:39,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:37:39,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:37:39,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:37:39,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:37:39,033 INFO L87 Difference]: Start difference. First operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-13 13:37:39,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:37:39,086 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2024-11-13 13:37:39,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:37:39,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-13 13:37:39,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:37:39,099 INFO L225 Difference]: With dead ends: 19 [2024-11-13 13:37:39,099 INFO L226 Difference]: Without dead ends: 8 [2024-11-13 13:37:39,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:37:39,109 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:37:39,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:37:39,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-13 13:37:39,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-13 13:37:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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) [2024-11-13 13:37:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-13 13:37:39,146 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 4 [2024-11-13 13:37:39,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:37:39,147 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-13 13:37:39,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-13 13:37:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-13 13:37:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 13:37:39,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:37:39,148 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:37:39,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:37:39,149 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-13 13:37:39,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:37:39,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1809678288, now seen corresponding path program 1 times [2024-11-13 13:37:39,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:37:39,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464089238] [2024-11-13 13:37:39,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:37:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:37:39,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:37:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:37:39,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:37:39,296 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:37:39,297 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-13 13:37:39,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-13 13:37:39,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:37:39,304 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:37:39,324 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:37:39,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:37:39 BoogieIcfgContainer [2024-11-13 13:37:39,330 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:37:39,333 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:37:39,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:37:39,333 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:37:39,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:37:38" (3/4) ... [2024-11-13 13:37:39,337 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:37:39,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:37:39,339 INFO L158 Benchmark]: Toolchain (without parser) took 1971.78ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 112.8MB in the end (delta: 5.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-13 13:37:39,339 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:39,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 700.35ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 96.4MB in the end (delta: 21.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:37:39,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.03ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:37:39,340 INFO L158 Benchmark]: Boogie Preprocessor took 72.16ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:39,341 INFO L158 Benchmark]: RCFGBuilder took 306.75ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:37:39,341 INFO L158 Benchmark]: TraceAbstraction took 823.01ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 112.9MB in the end (delta: -31.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-13 13:37:39,341 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 112.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:39,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 700.35ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 96.4MB in the end (delta: 21.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.03ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.16ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.75ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 823.01ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 112.9MB in the end (delta: -31.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 112.8MB in the end (delta: 27.0kB). There was no memory consumed. 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 - UnprovableResult [Line: 727]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; [L732] val = _setjmp (env_buffer) [L733] CALL __VERIFIER_assert(!(global == 2)) [L19] COND FALSE !(!(cond)) VAL [global=0] [L733] RET __VERIFIER_assert(!(global == 2)) [L734] COND FALSE !(val != 0) VAL [global=0] [L738] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:37:39,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd --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 64bit --witnessprinter.graph.data.programhash 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:37:42,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:37:42,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-13 13:37:42,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:37:42,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:37:42,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:37:42,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:37:42,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:37:42,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:37:42,353 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:37:42,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:37:42,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:37:42,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:37:42,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:37:42,355 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:37:42,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:37:42,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:37:42,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:37:42,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:37:42,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:37:42,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:37:42,356 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:37:42,356 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:37:42,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:37:42,357 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:37:42,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:37:42,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:37:42,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:37:42,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:37:42,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:37:42,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:37:42,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:37:42,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:37:42,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:37:42,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:37:42,358 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:37:42,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:37:42,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:37:42,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:37:42,359 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:37:42,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:37:42,359 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee [2024-11-13 13:37:42,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:37:42,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:37:42,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:37:42,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:37:42,744 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:37:42,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i Unable to find full path for "g++" [2024-11-13 13:37:44,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:37:45,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:37:45,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i [2024-11-13 13:37:45,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/data/1640ec2e9/c7158880ca10488290ebfa71588d3653/FLAG682927b8e [2024-11-13 13:37:45,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/data/1640ec2e9/c7158880ca10488290ebfa71588d3653 [2024-11-13 13:37:45,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:37:45,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:37:45,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:37:45,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:37:45,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:37:45,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9a8761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45, skipping insertion in model container [2024-11-13 13:37:45,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:37:45,398 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i[1094,1107] [2024-11-13 13:37:45,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:37:45,723 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:37:45,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i[1094,1107] [2024-11-13 13:37:45,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:37:45,827 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:37:45,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45 WrapperNode [2024-11-13 13:37:45,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:37:45,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:37:45,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:37:45,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:37:45,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,876 INFO L138 Inliner]: procedures = 188, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-13 13:37:45,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:37:45,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:37:45,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:37:45,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:37:45,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,902 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:37:45,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:37:45,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:37:45,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:37:45,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:37:45,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (1/1) ... [2024-11-13 13:37:45,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:37:45,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:37:45,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:37:45,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:37:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:37:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:37:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:37:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:37:46,152 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:37:46,155 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:37:46,429 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 13:37:46,429 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:37:46,442 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:37:46,443 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:37:46,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:37:46 BoogieIcfgContainer [2024-11-13 13:37:46,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:37:46,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:37:46,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:37:46,455 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:37:46,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:37:45" (1/3) ... [2024-11-13 13:37:46,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d62c1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:37:46, skipping insertion in model container [2024-11-13 13:37:46,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:45" (2/3) ... [2024-11-13 13:37:46,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d62c1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:37:46, skipping insertion in model container [2024-11-13 13:37:46,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:37:46" (3/3) ... [2024-11-13 13:37:46,460 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_18-simple-else_unknown_2_neg.i [2024-11-13 13:37:46,481 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:37:46,486 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_18-simple-else_unknown_2_neg.i that has 1 procedures, 14 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-13 13:37:46,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:37:46,584 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;@3c131ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:37:46,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:37:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 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) [2024-11-13 13:37:46,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 13:37:46,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:37:46,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 13:37:46,598 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-13 13:37:46,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:37:46,604 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-11-13 13:37:46,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:37:46,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511034252] [2024-11-13 13:37:46,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:46,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:37:46,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:37:46,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:37:46,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:37:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:37:46,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:37:46,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:37:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:37:46,898 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:37:46,899 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:37:46,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511034252] [2024-11-13 13:37:46,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511034252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:37:46,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:37:46,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:37:46,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651788613] [2024-11-13 13:37:46,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:37:46,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:37:46,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:37:46,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:37:46,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:37:46,950 INFO L87 Difference]: Start difference. First operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-13 13:37:47,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:37:47,017 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2024-11-13 13:37:47,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:37:47,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-13 13:37:47,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:37:47,028 INFO L225 Difference]: With dead ends: 19 [2024-11-13 13:37:47,028 INFO L226 Difference]: Without dead ends: 8 [2024-11-13 13:37:47,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:37:47,035 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:37:47,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:37:47,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-13 13:37:47,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-13 13:37:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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) [2024-11-13 13:37:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-13 13:37:47,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 4 [2024-11-13 13:37:47,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:37:47,071 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-13 13:37:47,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-13 13:37:47,072 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-13 13:37:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 13:37:47,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:37:47,073 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:37:47,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:37:47,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:37:47,274 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-13 13:37:47,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:37:47,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1809678288, now seen corresponding path program 1 times [2024-11-13 13:37:47,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:37:47,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1642274595] [2024-11-13 13:37:47,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:37:47,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:37:47,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:37:47,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:37:47,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:37:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:37:47,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:37:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:37:47,522 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:37:47,523 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:37:47,525 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-13 13:37:47,527 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-13 13:37:47,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:37:47,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:37:47,731 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:37:47,746 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:37:47,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:37:47 BoogieIcfgContainer [2024-11-13 13:37:47,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:37:47,750 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:37:47,750 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:37:47,751 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:37:47,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:37:46" (3/4) ... [2024-11-13 13:37:47,754 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:37:47,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:37:47,756 INFO L158 Benchmark]: Toolchain (without parser) took 2670.98ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 76.7MB in the end (delta: 16.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 13:37:47,756 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:47,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.27ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 70.5MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:37:47,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.15ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:47,758 INFO L158 Benchmark]: Boogie Preprocessor took 41.46ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:47,758 INFO L158 Benchmark]: RCFGBuilder took 520.01ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 56.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:37:47,758 INFO L158 Benchmark]: TraceAbstraction took 1302.16ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 77.4MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:47,759 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.7MB in the end (delta: 693.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:37:47,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 741.27ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 70.5MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.15ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.46ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.01ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 56.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1302.16ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 77.4MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.7MB in the end (delta: 693.0kB). There was no memory consumed. 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 - UnprovableResult [Line: 727]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; [L732] val = _setjmp (env_buffer) [L733] CALL __VERIFIER_assert(!(global == 2)) [L19] COND FALSE !(!(cond)) VAL [global=0] [L733] RET __VERIFIER_assert(!(global == 2)) [L734] COND FALSE !(val != 0) VAL [global=0] [L738] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 1 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:37:47,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53892775-9096-4c37-920d-c9c0d50b1d4b/bin/uautomizer-verify-qhAvR1uOyd/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: UNKNOWN: Overapproximated counterexample