./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.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_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/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_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/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_c593214d-30ef-4943-bac4-e58cf393dfa9/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 3083533c764d58c30414dbf7288f818c32e2e2618f05934b32ba52cd08b21f3c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:17:52,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:17:52,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 16:17:52,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:17:52,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:17:52,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:17:52,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:17:52,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:17:52,198 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:17:52,198 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:17:52,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:17:52,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:17:52,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:17:52,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:17:52,198 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:17:52,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:17:52,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:17:52,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:17:52,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:17:52,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:17:52,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:17:52,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:17:52,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:17:52,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:17:52,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:17:52,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:17:52,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:17:52,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:17:52,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:17:52,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:17:52,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:17:52,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:17:52,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:17:52,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:17:52,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:17:52,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:17:52,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:17:52,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:17:52,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:17:52,203 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_c593214d-30ef-4943-bac4-e58cf393dfa9/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 -> 3083533c764d58c30414dbf7288f818c32e2e2618f05934b32ba52cd08b21f3c [2024-11-13 16:17:52,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:17:52,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:17:52,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:17:52,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:17:52,568 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:17:52,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i Unable to find full path for "g++" [2024-11-13 16:17:54,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:17:54,879 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:17:54,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i [2024-11-13 16:17:54,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/data/441bc5630/84255b4e141e417c9f1374750043b04f/FLAG505ba768f [2024-11-13 16:17:54,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/data/441bc5630/84255b4e141e417c9f1374750043b04f [2024-11-13 16:17:54,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:17:54,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:17:54,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:17:54,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:17:54,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:17:54,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:17:54" (1/1) ... [2024-11-13 16:17:54,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f6a9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:54, skipping insertion in model container [2024-11-13 16:17:54,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:17:54" (1/1) ... [2024-11-13 16:17:54,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:17:55,180 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_c593214d-30ef-4943-bac4-e58cf393dfa9/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i[1089,1102] [2024-11-13 16:17:55,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:17:55,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:17:55,242 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_c593214d-30ef-4943-bac4-e58cf393dfa9/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i[1089,1102] [2024-11-13 16:17:55,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:17:55,281 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:17:55,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55 WrapperNode [2024-11-13 16:17:55,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:17:55,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:17:55,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:17:55,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:17:55,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,332 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2024-11-13 16:17:55,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:17:55,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:17:55,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:17:55,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:17:55,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,351 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,372 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 16:17:55,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:17:55,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:17:55,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:17:55,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:17:55,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (1/1) ... [2024-11-13 16:17:55,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:17:55,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:55,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:17:55,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:17:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:17:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:17:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:17:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:17:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:17:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:17:55,570 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:17:55,574 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:17:55,720 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 16:17:55,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:17:55,731 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:17:55,731 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:17:55,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:17:55 BoogieIcfgContainer [2024-11-13 16:17:55,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:17:55,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:17:55,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:17:55,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:17:55,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:17:54" (1/3) ... [2024-11-13 16:17:55,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585faf54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:17:55, skipping insertion in model container [2024-11-13 16:17:55,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:55" (2/3) ... [2024-11-13 16:17:55,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585faf54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:17:55, skipping insertion in model container [2024-11-13 16:17:55,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:17:55" (3/3) ... [2024-11-13 16:17:55,744 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_12-counting-global_true.i [2024-11-13 16:17:55,763 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:17:55,765 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_12-counting-global_true.i that has 2 procedures, 18 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-13 16:17:55,843 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:17:55,862 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;@2a8224b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:17:55,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 16:17:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:17:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:17:55,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:55,878 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:55,880 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:55,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:55,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1817818212, now seen corresponding path program 1 times [2024-11-13 16:17:55,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:55,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903920643] [2024-11-13 16:17:55,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:55,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:56,276 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 16:17:56,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:56,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903920643] [2024-11-13 16:17:56,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903920643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:56,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:17:56,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:17:56,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284650423] [2024-11-13 16:17:56,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:56,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:17:56,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:56,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:17:56,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:17:56,311 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:17:56,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:56,342 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-13 16:17:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:17:56,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 16:17:56,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:56,349 INFO L225 Difference]: With dead ends: 27 [2024-11-13 16:17:56,350 INFO L226 Difference]: Without dead ends: 13 [2024-11-13 16:17:56,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:17:56,356 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:56,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 10 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:17:56,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-13 16:17:56,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-13 16:17:56,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 16:17:56,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2024-11-13 16:17:56,391 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 7 [2024-11-13 16:17:56,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:56,391 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2024-11-13 16:17:56,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:17:56,392 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-11-13 16:17:56,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:17:56,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:56,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:56,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:17:56,393 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:56,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:56,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1805752857, now seen corresponding path program 1 times [2024-11-13 16:17:56,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:56,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509500461] [2024-11-13 16:17:56,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:56,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:56,716 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 16:17:56,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:56,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509500461] [2024-11-13 16:17:56,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509500461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:56,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:17:56,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:17:56,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479962478] [2024-11-13 16:17:56,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:56,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:17:56,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:56,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:17:56,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:17:56,722 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:17:56,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:56,807 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2024-11-13 16:17:56,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:17:56,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 16:17:56,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:56,808 INFO L225 Difference]: With dead ends: 13 [2024-11-13 16:17:56,808 INFO L226 Difference]: Without dead ends: 11 [2024-11-13 16:17:56,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:17:56,810 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:56,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:17:56,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-13 16:17:56,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-13 16:17:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 16:17:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2024-11-13 16:17:56,815 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 7 [2024-11-13 16:17:56,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:56,816 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2024-11-13 16:17:56,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:17:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-13 16:17:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:17:56,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:56,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:56,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:17:56,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:17:56,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:56,820 INFO L85 PathProgramCache]: Analyzing trace with hash 722781871, now seen corresponding path program 1 times [2024-11-13 16:17:56,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:56,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521772172] [2024-11-13 16:17:56,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:56,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:17:56,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:17:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:17:56,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:17:56,908 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:17:56,910 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-13 16:17:56,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-13 16:17:56,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:17:56,916 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 16:17:56,938 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:17:56,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:17:56 BoogieIcfgContainer [2024-11-13 16:17:56,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:17:56,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:17:56,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:17:56,946 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:17:56,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:17:55" (3/4) ... [2024-11-13 16:17:56,950 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:17:56,951 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:17:56,953 INFO L158 Benchmark]: Toolchain (without parser) took 2016.69ms. Allocated memory is still 167.8MB. Free memory was 125.5MB in the beginning and 112.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-13 16:17:56,953 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:56,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.55ms. Allocated memory is still 167.8MB. Free memory was 125.5MB in the beginning and 114.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:17:56,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.14ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 112.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:56,955 INFO L158 Benchmark]: Boogie Preprocessor took 60.28ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 111.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:56,955 INFO L158 Benchmark]: RCFGBuilder took 336.74ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 101.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:17:56,956 INFO L158 Benchmark]: TraceAbstraction took 1209.68ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 112.8MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:56,956 INFO L158 Benchmark]: Witness Printer took 5.59ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 112.8MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:56,961 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.55ms. Allocated memory is still 167.8MB. Free memory was 125.5MB in the beginning and 114.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.14ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 112.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.28ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 111.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.74ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 101.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1209.68ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 112.8MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.59ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 112.8MB in the end (delta: 36.9kB). 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: 50]: 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 50. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; VAL [count=0] [L55] COND TRUE count < 5 [L56] CALL foo() [L48] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\old(cond)=1, count=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, count=0] [L48] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L49] count++ VAL [count=1] [L50] longjmp(my_jump_buffer, 1) VAL [count=1] - 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 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:17:56,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/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_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/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_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/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_c593214d-30ef-4943-bac4-e58cf393dfa9/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 3083533c764d58c30414dbf7288f818c32e2e2618f05934b32ba52cd08b21f3c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:18:00,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:18:00,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-13 16:18:00,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:18:00,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:18:00,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:18:00,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:18:00,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:18:00,188 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:18:00,188 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:18:00,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:18:00,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:18:00,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:18:00,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:18:00,189 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:18:00,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:18:00,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:18:00,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:18:00,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:18:00,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:18:00,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:18:00,191 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:18:00,191 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:18:00,191 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:18:00,192 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:18:00,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:18:00,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:18:00,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:18:00,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:18:00,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:18:00,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:18:00,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:18:00,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:18:00,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:18:00,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:18:00,194 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:18:00,194 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:18:00,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:18:00,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:18:00,194 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:18:00,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:18:00,194 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_c593214d-30ef-4943-bac4-e58cf393dfa9/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 -> 3083533c764d58c30414dbf7288f818c32e2e2618f05934b32ba52cd08b21f3c [2024-11-13 16:18:00,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:18:00,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:18:00,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:18:00,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:18:00,591 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:18:00,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i Unable to find full path for "g++" [2024-11-13 16:18:02,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:18:03,027 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:18:03,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i [2024-11-13 16:18:03,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/data/22fbc92d4/b771c4753ac84c5db56bc73220e23bf4/FLAGb283914c7 [2024-11-13 16:18:03,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/data/22fbc92d4/b771c4753ac84c5db56bc73220e23bf4 [2024-11-13 16:18:03,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:18:03,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:18:03,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:18:03,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:18:03,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:18:03,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794f44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03, skipping insertion in model container [2024-11-13 16:18:03,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:18:03,298 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_c593214d-30ef-4943-bac4-e58cf393dfa9/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i[1089,1102] [2024-11-13 16:18:03,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:18:03,360 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:18:03,375 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_c593214d-30ef-4943-bac4-e58cf393dfa9/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_true.i[1089,1102] [2024-11-13 16:18:03,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:18:03,418 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:18:03,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03 WrapperNode [2024-11-13 16:18:03,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:18:03,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:18:03,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:18:03,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:18:03,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,466 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2024-11-13 16:18:03,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:18:03,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:18:03,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:18:03,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:18:03,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,503 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 16:18:03,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:18:03,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:18:03,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:18:03,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:18:03,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (1/1) ... [2024-11-13 16:18:03,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:18:03,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:03,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:18:03,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:18:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:18:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:18:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:18:03,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:18:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:18:03,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:18:03,704 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:18:03,706 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:18:03,919 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 16:18:03,919 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:18:03,930 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:18:03,931 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:18:03,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:18:03 BoogieIcfgContainer [2024-11-13 16:18:03,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:18:03,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:18:03,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:18:03,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:18:03,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:18:03" (1/3) ... [2024-11-13 16:18:03,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7503eefe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:18:03, skipping insertion in model container [2024-11-13 16:18:03,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:03" (2/3) ... [2024-11-13 16:18:03,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7503eefe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:18:03, skipping insertion in model container [2024-11-13 16:18:03,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:18:03" (3/3) ... [2024-11-13 16:18:03,945 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_12-counting-global_true.i [2024-11-13 16:18:03,966 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:18:03,969 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_12-counting-global_true.i that has 2 procedures, 18 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-13 16:18:04,055 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:18:04,076 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;@4fff2812, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:18:04,076 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 16:18:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:18:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:18:04,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:18:04,092 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:18:04,093 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:18:04,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:04,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1817818212, now seen corresponding path program 1 times [2024-11-13 16:18:04,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:18:04,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447218198] [2024-11-13 16:18:04,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:04,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:04,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:04,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:04,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:18:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:04,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:18:04,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:04,432 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 16:18:04,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:18:04,433 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:18:04,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447218198] [2024-11-13 16:18:04,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447218198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:18:04,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:18:04,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:18:04,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678061033] [2024-11-13 16:18:04,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:18:04,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:18:04,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:18:04,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:18:04,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:18:04,462 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:18:04,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:18:04,499 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-13 16:18:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:18:04,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 16:18:04,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:18:04,508 INFO L225 Difference]: With dead ends: 27 [2024-11-13 16:18:04,508 INFO L226 Difference]: Without dead ends: 13 [2024-11-13 16:18:04,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:18:04,517 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:18:04,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 10 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:18:04,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-13 16:18:04,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-13 16:18:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 16:18:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2024-11-13 16:18:04,561 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 7 [2024-11-13 16:18:04,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:18:04,562 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2024-11-13 16:18:04,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:18:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-11-13 16:18:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:18:04,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:18:04,563 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:18:04,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:18:04,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:04,764 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:18:04,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:04,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1805752857, now seen corresponding path program 1 times [2024-11-13 16:18:04,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:18:04,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712142667] [2024-11-13 16:18:04,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:04,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:04,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:04,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:04,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:18:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:04,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:18:04,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:05,002 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 16:18:05,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:18:05,006 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:18:05,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712142667] [2024-11-13 16:18:05,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712142667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:18:05,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:18:05,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:18:05,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474223918] [2024-11-13 16:18:05,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:18:05,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:18:05,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:18:05,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:18:05,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:18:05,011 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:18:05,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:18:05,107 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2024-11-13 16:18:05,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:18:05,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 16:18:05,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:18:05,110 INFO L225 Difference]: With dead ends: 13 [2024-11-13 16:18:05,110 INFO L226 Difference]: Without dead ends: 11 [2024-11-13 16:18:05,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:18:05,111 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:18:05,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:18:05,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-13 16:18:05,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-13 16:18:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 16:18:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2024-11-13 16:18:05,120 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 7 [2024-11-13 16:18:05,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:18:05,121 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2024-11-13 16:18:05,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:18:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-13 16:18:05,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:18:05,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:18:05,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:18:05,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:18:05,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:05,324 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:18:05,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:05,324 INFO L85 PathProgramCache]: Analyzing trace with hash 722781871, now seen corresponding path program 1 times [2024-11-13 16:18:05,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:18:05,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [995338680] [2024-11-13 16:18:05,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:05,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:05,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:05,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:05,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:18:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:18:05,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:18:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:18:05,575 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 16:18:05,577 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:18:05,579 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-13 16:18:05,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-13 16:18:05,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 16:18:05,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:05,789 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 16:18:05,811 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:18:05,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:18:05 BoogieIcfgContainer [2024-11-13 16:18:05,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:18:05,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:18:05,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:18:05,822 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:18:05,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:18:03" (3/4) ... [2024-11-13 16:18:05,828 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:18:05,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:18:05,830 INFO L158 Benchmark]: Toolchain (without parser) took 2762.27ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 32.5MB in the end (delta: 28.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-13 16:18:05,830 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:18:05,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.95ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 49.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:18:05,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.45ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:18:05,834 INFO L158 Benchmark]: Boogie Preprocessor took 56.94ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:18:05,834 INFO L158 Benchmark]: RCFGBuilder took 404.73ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 36.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:18:05,834 INFO L158 Benchmark]: TraceAbstraction took 1885.37ms. Allocated memory is still 83.9MB. Free memory was 36.0MB in the beginning and 32.5MB in the end (delta: 3.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-13 16:18:05,835 INFO L158 Benchmark]: Witness Printer took 8.29ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:18:05,838 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 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.95ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 49.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.45ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.94ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.73ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 36.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1885.37ms. Allocated memory is still 83.9MB. Free memory was 36.0MB in the beginning and 32.5MB in the end (delta: 3.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 8.29ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 16.6kB). 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: 50]: 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 50. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; VAL [count=0] [L55] COND TRUE count < 5 [L56] CALL foo() [L48] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\old(cond)=1, count=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, count=0] [L48] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L49] count++ VAL [count=1] [L50] longjmp(my_jump_buffer, 1) VAL [count=1] - 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 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 2 NumberOfNonLiveVariables, 98 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:18:05,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c593214d-30ef-4943-bac4-e58cf393dfa9/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