./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya --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 2f8834d8159588b7ef134515e6f37cc895334a4ecfe9d8c497bcf4e389356193 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:05:19,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:05:19,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 07:05:19,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:05:19,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:05:19,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:05:19,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:05:19,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:05:19,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:05:19,938 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:05:19,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:05:19,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:05:19,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:05:19,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:05:19,940 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:05:19,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:05:19,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:05:19,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:05:19,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:05:19,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:05:19,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:05:19,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:05:19,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:05:19,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:05:19,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:05:19,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:05:19,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:05:19,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:05:19,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:05:19,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:05:19,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:05:19,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:05:19,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:05:19,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:05:19,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:05:19,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:05:19,949 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:05:19,950 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:05:19,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:05:19,950 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8834d8159588b7ef134515e6f37cc895334a4ecfe9d8c497bcf4e389356193 [2023-11-29 07:05:20,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:05:20,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:05:20,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:05:20,218 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:05:20,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:05:20,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i [2023-11-29 07:05:23,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:05:23,391 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:05:23,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i [2023-11-29 07:05:23,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/data/46f76d004/f536ee1e7c5d4e038cab9f9a17785850/FLAGe0eb5a8a1 [2023-11-29 07:05:23,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/data/46f76d004/f536ee1e7c5d4e038cab9f9a17785850 [2023-11-29 07:05:23,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:05:23,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:05:23,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:05:23,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:05:23,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:05:23,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:23,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105cc05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23, skipping insertion in model container [2023-11-29 07:05:23,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:23,487 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:05:23,634 WARN L240 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_a7654f91-de9d-4534-9e8e-8eed0b339498/sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i[1090,1103] [2023-11-29 07:05:23,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:05:23,845 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:05:23,855 WARN L240 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_a7654f91-de9d-4534-9e8e-8eed0b339498/sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i[1090,1103] [2023-11-29 07:05:23,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:05:23,924 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:05:23,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23 WrapperNode [2023-11-29 07:05:23,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:05:23,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:05:23,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:05:23,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:05:23,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:23,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:23,969 INFO L138 Inliner]: procedures = 191, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 34 [2023-11-29 07:05:23,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:05:23,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:05:23,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:05:23,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:05:23,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:23,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:23,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:23,996 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]. [2023-11-29 07:05:23,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:23,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:24,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:24,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:24,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:24,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:24,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:05:24,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:05:24,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:05:24,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:05:24,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (1/1) ... [2023-11-29 07:05:24,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:05:24,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:05:24,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:05:24,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:05:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:05:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 07:05:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:05:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:05:24,150 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:05:24,152 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:05:24,230 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:05:24,260 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:05:24,260 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:05:24,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:24 BoogieIcfgContainer [2023-11-29 07:05:24,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:05:24,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:05:24,264 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:05:24,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:05:24,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:05:23" (1/3) ... [2023-11-29 07:05:24,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e193b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:05:24, skipping insertion in model container [2023-11-29 07:05:24,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:23" (2/3) ... [2023-11-29 07:05:24,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e193b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:05:24, skipping insertion in model container [2023-11-29 07:05:24,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:24" (3/3) ... [2023-11-29 07:05:24,271 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_20-simpler-multifun_true.i [2023-11-29 07:05:24,288 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:05:24,289 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 07:05:24,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:05:24,357 INFO L357 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, mHoare=true, 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;@42645b19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:05:24,358 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 07:05:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:05:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 07:05:24,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:24,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 07:05:24,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-29 07:05:24,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:24,377 INFO L85 PathProgramCache]: Analyzing trace with hash 56861, now seen corresponding path program 1 times [2023-11-29 07:05:24,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:24,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444410658] [2023-11-29 07:05:24,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:24,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:05:24,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:24,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444410658] [2023-11-29 07:05:24,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444410658] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:24,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:24,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:05:24,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777476402] [2023-11-29 07:05:24,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:24,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:05:24,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:24,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:05:24,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:05:24,683 INFO L87 Difference]: Start difference. First operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:05:24,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:24,707 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2023-11-29 07:05:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:05:24,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-29 07:05:24,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:24,716 INFO L225 Difference]: With dead ends: 11 [2023-11-29 07:05:24,716 INFO L226 Difference]: Without dead ends: 5 [2023-11-29 07:05:24,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:05:24,722 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:24,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:24,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2023-11-29 07:05:24,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2023-11-29 07:05:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:05:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2023-11-29 07:05:24,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2023-11-29 07:05:24,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:24,752 INFO L495 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2023-11-29 07:05:24,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:05:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2023-11-29 07:05:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 07:05:24,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:24,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 07:05:24,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 07:05:24,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-29 07:05:24,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:24,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1767667, now seen corresponding path program 1 times [2023-11-29 07:05:24,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:24,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979617435] [2023-11-29 07:05:24,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:24,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:05:24,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 07:05:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:05:24,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 07:05:24,811 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 07:05:24,813 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-29 07:05:24,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-29 07:05:24,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 07:05:24,819 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 07:05:24,822 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:05:24,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:05:24 BoogieIcfgContainer [2023-11-29 07:05:24,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:05:24,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:05:24,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:05:24,841 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:05:24,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:24" (3/4) ... [2023-11-29 07:05:24,844 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 07:05:24,845 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:05:24,846 INFO L158 Benchmark]: Toolchain (without parser) took 1415.87ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 92.6MB in the beginning and 106.6MB in the end (delta: -13.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-29 07:05:24,847 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:24,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.21ms. Allocated memory is still 130.0MB. Free memory was 92.3MB in the beginning and 70.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 07:05:24,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.64ms. Allocated memory is still 130.0MB. Free memory was 70.8MB in the beginning and 69.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:24,849 INFO L158 Benchmark]: Boogie Preprocessor took 38.43ms. Allocated memory is still 130.0MB. Free memory was 69.0MB in the beginning and 67.1MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:05:24,849 INFO L158 Benchmark]: RCFGBuilder took 251.58ms. Allocated memory is still 130.0MB. Free memory was 66.7MB in the beginning and 56.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 07:05:24,850 INFO L158 Benchmark]: TraceAbstraction took 575.36ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 56.2MB in the beginning and 107.4MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:24,851 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 159.4MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 842.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:24,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.21ms. Allocated memory is still 130.0MB. Free memory was 92.3MB in the beginning and 70.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.64ms. Allocated memory is still 130.0MB. Free memory was 70.8MB in the beginning and 69.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.43ms. Allocated memory is still 130.0MB. Free memory was 69.0MB in the beginning and 67.1MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 251.58ms. Allocated memory is still 130.0MB. Free memory was 66.7MB in the beginning and 56.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 575.36ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 56.2MB in the beginning and 107.4MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 159.4MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 842.9kB). 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: 728]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 728. Possible FailurePath: [L724] jmp_buf env_buffer; [L725] int global = 0; [L734] int val; [L735] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L735] RET __VERIFIER_assert(global == 0) [L737] CALL fun() [L731] CALL foo() [L727] int local = 7; VAL [global=0, local=7] [L728] longjmp(env_buffer, 2) VAL [global=0, local=7] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 07:05:24,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya --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 2f8834d8159588b7ef134515e6f37cc895334a4ecfe9d8c497bcf4e389356193 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:05:27,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:05:27,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-29 07:05:27,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:05:27,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:05:27,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:05:27,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:05:27,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:05:27,143 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:05:27,144 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:05:27,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:05:27,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:05:27,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:05:27,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:05:27,147 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:05:27,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:05:27,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:05:27,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:05:27,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:05:27,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:05:27,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:05:27,151 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 07:05:27,152 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 07:05:27,152 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 07:05:27,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:05:27,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:05:27,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:05:27,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:05:27,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:05:27,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:05:27,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:05:27,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:05:27,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:05:27,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:05:27,156 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 07:05:27,157 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 07:05:27,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:05:27,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:05:27,157 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:05:27,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:05:27,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:05:27,158 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 07:05:27,158 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8834d8159588b7ef134515e6f37cc895334a4ecfe9d8c497bcf4e389356193 [2023-11-29 07:05:27,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:05:27,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:05:27,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:05:27,540 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:05:27,540 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:05:27,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i [2023-11-29 07:05:30,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:05:30,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:05:30,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i [2023-11-29 07:05:30,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/data/7b6847e21/c674c9c047a7481f89718b4f66d81529/FLAG93b826037 [2023-11-29 07:05:30,839 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/data/7b6847e21/c674c9c047a7481f89718b4f66d81529 [2023-11-29 07:05:30,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:05:30,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:05:30,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:05:30,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:05:30,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:05:30,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6535be94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30, skipping insertion in model container [2023-11-29 07:05:30,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,915 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:05:31,117 WARN L240 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_a7654f91-de9d-4534-9e8e-8eed0b339498/sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i[1090,1103] [2023-11-29 07:05:31,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:05:31,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:05:31,414 WARN L240 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_a7654f91-de9d-4534-9e8e-8eed0b339498/sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i[1090,1103] [2023-11-29 07:05:31,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:05:31,525 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:05:31,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31 WrapperNode [2023-11-29 07:05:31,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:05:31,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:05:31,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:05:31,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:05:31,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,575 INFO L138 Inliner]: procedures = 192, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 35 [2023-11-29 07:05:31,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:05:31,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:05:31,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:05:31,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:05:31,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,590 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,604 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]. [2023-11-29 07:05:31,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:05:31,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:05:31,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:05:31,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:05:31,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (1/1) ... [2023-11-29 07:05:31,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:05:31,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:05:31,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:05:31,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:05:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:05:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 07:05:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:05:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:05:31,787 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:05:31,789 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:05:31,888 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:05:31,921 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:05:31,921 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:05:31,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:31 BoogieIcfgContainer [2023-11-29 07:05:31,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:05:31,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:05:31,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:05:31,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:05:31,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:05:30" (1/3) ... [2023-11-29 07:05:31,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c9d850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:05:31, skipping insertion in model container [2023-11-29 07:05:31,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:31" (2/3) ... [2023-11-29 07:05:31,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c9d850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:05:31, skipping insertion in model container [2023-11-29 07:05:31,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:31" (3/3) ... [2023-11-29 07:05:31,931 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_20-simpler-multifun_true.i [2023-11-29 07:05:31,946 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:05:31,947 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 07:05:31,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:05:31,991 INFO L357 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, mHoare=true, 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;@7535a7c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:05:31,992 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 07:05:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:05:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 07:05:32,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:32,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 07:05:32,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-29 07:05:32,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:32,008 INFO L85 PathProgramCache]: Analyzing trace with hash 56861, now seen corresponding path program 1 times [2023-11-29 07:05:32,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:32,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625839641] [2023-11-29 07:05:32,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:32,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:32,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:32,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 07:05:32,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 07:05:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:32,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 07:05:32,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:05:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:05:32,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:05:32,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:05:32,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625839641] [2023-11-29 07:05:32,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625839641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:32,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:32,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:05:32,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648822727] [2023-11-29 07:05:32,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:32,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:05:32,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:05:32,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:05:32,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:05:32,215 INFO L87 Difference]: Start difference. First operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:05:32,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:32,245 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2023-11-29 07:05:32,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:05:32,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-29 07:05:32,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:32,256 INFO L225 Difference]: With dead ends: 11 [2023-11-29 07:05:32,257 INFO L226 Difference]: Without dead ends: 5 [2023-11-29 07:05:32,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:05:32,262 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:32,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:32,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2023-11-29 07:05:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2023-11-29 07:05:32,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:05:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2023-11-29 07:05:32,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2023-11-29 07:05:32,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:32,292 INFO L495 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2023-11-29 07:05:32,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:05:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2023-11-29 07:05:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 07:05:32,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:32,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 07:05:32,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 07:05:32,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:32,494 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-29 07:05:32,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:32,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1767667, now seen corresponding path program 1 times [2023-11-29 07:05:32,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:32,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238806836] [2023-11-29 07:05:32,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:32,497 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:32,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:32,498 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 07:05:32,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 07:05:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:05:32,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 07:05:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:05:32,620 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 07:05:32,621 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 07:05:32,623 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-29 07:05:32,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-29 07:05:32,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 07:05:32,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:32,831 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 07:05:32,835 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:05:32,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:05:32 BoogieIcfgContainer [2023-11-29 07:05:32,853 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:05:32,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:05:32,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:05:32,854 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:05:32,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:31" (3/4) ... [2023-11-29 07:05:32,857 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 07:05:32,859 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:05:32,860 INFO L158 Benchmark]: Toolchain (without parser) took 2016.45ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 51.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-29 07:05:32,860 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:32,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.75ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 63.4MB in the end (delta: 3.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-29 07:05:32,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.91ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 61.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:32,862 INFO L158 Benchmark]: Boogie Preprocessor took 46.83ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 59.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:05:32,863 INFO L158 Benchmark]: RCFGBuilder took 298.15ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 48.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 07:05:32,864 INFO L158 Benchmark]: TraceAbstraction took 928.36ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 51.6MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:32,865 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 51.2MB in the end (delta: 476.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:32,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 681.75ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 63.4MB in the end (delta: 3.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.91ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 61.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.83ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 59.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 298.15ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 48.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 928.36ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 51.6MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 51.2MB in the end (delta: 476.3kB). 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: 728]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 728. Possible FailurePath: [L724] jmp_buf env_buffer; [L725] int global = 0; [L734] int val; [L735] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L735] RET __VERIFIER_assert(global == 0) [L737] CALL fun() [L731] CALL foo() [L727] int local = 7; VAL [global=0, local=7] [L728] longjmp(env_buffer, 2) VAL [global=0, local=7] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 2 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 07:05:32,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7654f91-de9d-4534-9e8e-8eed0b339498/bin/uautomizer-verify-BQ2R08f2Ya/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