./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1 --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 f062f388d3381df283a55bd56f3ce12c286c6f6b098aec3949c6489fe401ef67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:19:53,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:19:53,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:19:53,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:19:53,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:19:53,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:19:53,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:19:53,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:19:53,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:19:53,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:19:53,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:19:53,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:19:53,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:19:53,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:19:53,776 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:19:53,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:19:53,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:19:53,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:19:53,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:19:53,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:19:53,777 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:19:53,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:19:53,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:19:53,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:19:53,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:19:53,778 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_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1 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 -> f062f388d3381df283a55bd56f3ce12c286c6f6b098aec3949c6489fe401ef67 [2024-12-02 13:19:54,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:19:54,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:19:54,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:19:54,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:19:54,020 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:19:54,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i [2024-12-02 13:19:56,668 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data/e2d04e6a6/c35f9f597de74f39bc47fd02dd5e4e72/FLAG73837a9f8 [2024-12-02 13:19:56,884 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:19:56,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i [2024-12-02 13:19:56,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data/e2d04e6a6/c35f9f597de74f39bc47fd02dd5e4e72/FLAG73837a9f8 [2024-12-02 13:19:56,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data/e2d04e6a6/c35f9f597de74f39bc47fd02dd5e4e72 [2024-12-02 13:19:56,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:19:56,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:19:56,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:19:56,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:19:56,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:19:56,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:19:56" (1/1) ... [2024-12-02 13:19:56,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac4fffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:56, skipping insertion in model container [2024-12-02 13:19:56,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:19:56" (1/1) ... [2024-12-02 13:19:56,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:19:57,082 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_476b5d49-8b2a-413f-af92-526eb6a72192/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i[1088,1101] [2024-12-02 13:19:57,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:19:57,201 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:19:57,211 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_476b5d49-8b2a-413f-af92-526eb6a72192/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i[1088,1101] [2024-12-02 13:19:57,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:19:57,260 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:19:57,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57 WrapperNode [2024-12-02 13:19:57,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:19:57,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:19:57,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:19:57,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:19:57,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,293 INFO L138 Inliner]: procedures = 126, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-12-02 13:19:57,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:19:57,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:19:57,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:19:57,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:19:57,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,318 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-12-02 13:19:57,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,325 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:19:57,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:19:57,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:19:57,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:19:57,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (1/1) ... [2024-12-02 13:19:57,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:19:57,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:19:57,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:19:57,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:19:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure set_g_to_keyword [2024-12-02 13:19:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure set_g_to_keyword [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:19:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:19:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:19:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:19:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:19:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:19:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:19:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:19:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:19:57,483 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:19:57,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:19:57,595 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-02 13:19:57,595 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:19:57,601 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:19:57,601 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 13:19:57,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:57 BoogieIcfgContainer [2024-12-02 13:19:57,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:19:57,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:19:57,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:19:57,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:19:57,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:19:56" (1/3) ... [2024-12-02 13:19:57,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa6a9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:19:57, skipping insertion in model container [2024-12-02 13:19:57,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:57" (2/3) ... [2024-12-02 13:19:57,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa6a9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:19:57, skipping insertion in model container [2024-12-02 13:19:57,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:57" (3/3) ... [2024-12-02 13:19:57,610 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_42-poison-reduced_true.i [2024-12-02 13:19:57,624 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:19:57,626 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_42-poison-reduced_true.i that has 2 procedures, 20 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-12-02 13:19:57,663 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:19:57,672 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;@2b05c99c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:19:57,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 13:19:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 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) [2024-12-02 13:19:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-02 13:19:57,679 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:57,680 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 13:19:57,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-12-02 13:19:57,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:57,683 INFO L85 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2024-12-02 13:19:57,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:57,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487610095] [2024-12-02 13:19:57,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:57,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:19:57,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:57,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487610095] [2024-12-02 13:19:57,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487610095] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:57,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:57,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:19:57,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302885264] [2024-12-02 13:19:57,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:57,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:19:57,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:57,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:19:57,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:19:57,855 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:19:57,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:19:57,866 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-12-02 13:19:57,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:19:57,868 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-12-02 13:19:57,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:19:57,873 INFO L225 Difference]: With dead ends: 25 [2024-12-02 13:19:57,873 INFO L226 Difference]: Without dead ends: 12 [2024-12-02 13:19:57,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:19:57,878 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:19:57,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:19:57,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-12-02 13:19:57,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-12-02 13:19:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 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) [2024-12-02 13:19:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-02 13:19:57,904 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 5 [2024-12-02 13:19:57,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:19:57,904 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-12-02 13:19:57,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:19:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-02 13:19:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 13:19:57,905 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:19:57,905 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:19:57,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:19:57,905 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-12-02 13:19:57,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:57,905 INFO L85 PathProgramCache]: Analyzing trace with hash -2027494922, now seen corresponding path program 1 times [2024-12-02 13:19:57,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:57,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831890039] [2024-12-02 13:19:57,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:19:57,988 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:19:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:19:58,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:19:58,027 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:19:58,029 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-12-02 13:19:58,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-12-02 13:19:58,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:19:58,033 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 13:19:58,048 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:19:58,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:19:58 BoogieIcfgContainer [2024-12-02 13:19:58,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:19:58,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:19:58,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:19:58,052 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:19:58,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:57" (3/4) ... [2024-12-02 13:19:58,055 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:19:58,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:19:58,057 INFO L158 Benchmark]: Toolchain (without parser) took 1143.54ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 109.1MB in the end (delta: 6.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-12-02 13:19:58,057 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:19:58,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.24ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:19:58,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.18ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:19:58,058 INFO L158 Benchmark]: Boogie Preprocessor took 39.84ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:19:58,058 INFO L158 Benchmark]: RCFGBuilder took 267.32ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 81.9MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:19:58,058 INFO L158 Benchmark]: TraceAbstraction took 447.88ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 109.1MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:19:58,059 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 142.6MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:19:58,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.24ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 98.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.18ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.84ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 267.32ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 81.9MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 447.88ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 109.1MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 142.6MB. Free memory is still 109.1MB. 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: 579]: 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 579. Possible FailurePath: [L551] jmp_buf env_buffer; [L568] struct c* ab = malloc(sizeof(struct c)); [L569] int x; VAL [ab={-1:0}] [L570] COND FALSE !(_setjmp (env_buffer)) [L575] CALL set_g_to_keyword(ab) VAL [\old(t)={-1:0}] [L563] char keyword[20]; [L564] keyword[0] = 'a' [L565] t->g = keyword [L575] RET set_g_to_keyword(ab) VAL [ab={-1:0}] [L576] x = 1 [L577] CALL u(ab) [L556] EXPR t->g [L556] EXPR t->g [L556] COND TRUE *t->g [L557] return 2; VAL [\result=2] [L577] RET u(ab) [L578] x = 2 [L579] longjmp(env_buffer, 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:19:58,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/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_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1 --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 f062f388d3381df283a55bd56f3ce12c286c6f6b098aec3949c6489fe401ef67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:19:59,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:20:00,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-12-02 13:20:00,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:20:00,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:20:00,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:20:00,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:20:00,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:20:00,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:20:00,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:20:00,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:20:00,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:20:00,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:20:00,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:20:00,065 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:20:00,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:20:00,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:20:00,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:20:00,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:20:00,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:20:00,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:20:00,066 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:20:00,066 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:20:00,066 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:20:00,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:20:00,066 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:20:00,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:20:00,066 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:20:00,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:20:00,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:20:00,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:20:00,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:20:00,067 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:20:00,068 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:20:00,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:20:00,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:20:00,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:20:00,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:20:00,068 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_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1 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 -> f062f388d3381df283a55bd56f3ce12c286c6f6b098aec3949c6489fe401ef67 [2024-12-02 13:20:00,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:20:00,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:20:00,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:20:00,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:20:00,297 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:20:00,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i [2024-12-02 13:20:02,921 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data/9d0de721c/afd7d87728dd43d7ac6c07b707f3cc38/FLAG135ed1b8e [2024-12-02 13:20:03,151 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:20:03,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i [2024-12-02 13:20:03,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data/9d0de721c/afd7d87728dd43d7ac6c07b707f3cc38/FLAG135ed1b8e [2024-12-02 13:20:03,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/data/9d0de721c/afd7d87728dd43d7ac6c07b707f3cc38 [2024-12-02 13:20:03,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:20:03,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:20:03,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:20:03,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:20:03,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:20:03,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b7b54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03, skipping insertion in model container [2024-12-02 13:20:03,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:20:03,618 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_476b5d49-8b2a-413f-af92-526eb6a72192/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i[1088,1101] [2024-12-02 13:20:03,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:20:03,714 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:20:03,723 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_476b5d49-8b2a-413f-af92-526eb6a72192/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i[1088,1101] [2024-12-02 13:20:03,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:20:03,777 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:20:03,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03 WrapperNode [2024-12-02 13:20:03,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:20:03,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:20:03,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:20:03,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:20:03,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,808 INFO L138 Inliner]: procedures = 127, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-12-02 13:20:03,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:20:03,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:20:03,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:20:03,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:20:03,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,833 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-12-02 13:20:03,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,841 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:20:03,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:20:03,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:20:03,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:20:03,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (1/1) ... [2024-12-02 13:20:03,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:20:03,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:20:03,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:20:03,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:20:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 13:20:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 13:20:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 13:20:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure set_g_to_keyword [2024-12-02 13:20:03,906 INFO L138 BoogieDeclarations]: Found implementation of procedure set_g_to_keyword [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 13:20:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 13:20:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:20:03,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:20:03,995 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:20:03,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:20:04,165 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 13:20:04,166 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:20:04,173 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:20:04,173 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 13:20:04,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:04 BoogieIcfgContainer [2024-12-02 13:20:04,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:20:04,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:20:04,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:20:04,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:20:04,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:20:03" (1/3) ... [2024-12-02 13:20:04,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7a908b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:04, skipping insertion in model container [2024-12-02 13:20:04,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:03" (2/3) ... [2024-12-02 13:20:04,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7a908b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:04, skipping insertion in model container [2024-12-02 13:20:04,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:04" (3/3) ... [2024-12-02 13:20:04,182 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_42-poison-reduced_true.i [2024-12-02 13:20:04,196 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:20:04,197 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_42-poison-reduced_true.i that has 2 procedures, 20 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-12-02 13:20:04,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:20:04,240 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;@5ff6eb42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:20:04,240 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 13:20:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 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) [2024-12-02 13:20:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-02 13:20:04,249 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:04,250 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 13:20:04,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-12-02 13:20:04,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:04,255 INFO L85 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2024-12-02 13:20:04,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:20:04,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190381342] [2024-12-02 13:20:04,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:04,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:04,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:20:04,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:20:04,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:20:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:04,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:20:04,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:20:04,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:20:04,399 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:20:04,400 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:20:04,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190381342] [2024-12-02 13:20:04,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190381342] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:04,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:20:04,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:20:04,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823755259] [2024-12-02 13:20:04,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:04,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:20:04,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:20:04,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:20:04,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:20:04,425 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:20:04,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:04,436 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-12-02 13:20:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:20:04,437 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-12-02 13:20:04,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:04,441 INFO L225 Difference]: With dead ends: 25 [2024-12-02 13:20:04,441 INFO L226 Difference]: Without dead ends: 12 [2024-12-02 13:20:04,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:20:04,445 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:04,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:20:04,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-12-02 13:20:04,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-12-02 13:20:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 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) [2024-12-02 13:20:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-02 13:20:04,471 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 5 [2024-12-02 13:20:04,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:04,471 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-12-02 13:20:04,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:20:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-02 13:20:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 13:20:04,472 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:20:04,472 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:20:04,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:20:04,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:04,673 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-12-02 13:20:04,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:20:04,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2027494922, now seen corresponding path program 1 times [2024-12-02 13:20:04,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:20:04,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087250318] [2024-12-02 13:20:04,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:20:04,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:04,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:20:04,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:20:04,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:20:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:20:05,528 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:20:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:20:06,548 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 13:20:06,548 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:20:06,549 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-12-02 13:20:06,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-12-02 13:20:06,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:20:06,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:06,753 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 13:20:06,769 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:20:06,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:20:06 BoogieIcfgContainer [2024-12-02 13:20:06,771 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:20:06,772 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:20:06,772 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:20:06,772 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:20:06,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:04" (3/4) ... [2024-12-02 13:20:06,775 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:20:06,776 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:20:06,776 INFO L158 Benchmark]: Toolchain (without parser) took 3301.79ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 59.2MB in the end (delta: 8.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-12-02 13:20:06,777 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:20:06,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.86ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 49.2MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:20:06,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.05ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 47.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:20:06,777 INFO L158 Benchmark]: Boogie Preprocessor took 41.93ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 45.1MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:20:06,778 INFO L158 Benchmark]: RCFGBuilder took 322.26ms. Allocated memory is still 92.3MB. Free memory was 45.1MB in the beginning and 61.0MB in the end (delta: -15.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-12-02 13:20:06,778 INFO L158 Benchmark]: TraceAbstraction took 2596.12ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 59.7MB in the end (delta: 702.3kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-12-02 13:20:06,778 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 59.2MB in the end (delta: 445.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:20:06,780 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 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.86ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 49.2MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.05ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 47.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.93ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 45.1MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 322.26ms. Allocated memory is still 92.3MB. Free memory was 45.1MB in the beginning and 61.0MB in the end (delta: -15.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2596.12ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 59.7MB in the end (delta: 702.3kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 59.2MB in the end (delta: 445.4kB). 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: 579]: 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 579. Possible FailurePath: [L551] jmp_buf env_buffer; [L568] struct c* ab = malloc(sizeof(struct c)); [L569] int x; VAL [ab={512:0}] [L570] COND FALSE !(_setjmp (env_buffer)) [L575] CALL set_g_to_keyword(ab) VAL [\old(t)={512:0}] [L563] char keyword[20]; [L564] keyword[0] = 'a' [L565] t->g = keyword [L575] RET set_g_to_keyword(ab) VAL [ab={512:0}] [L576] x = 1 [L577] CALL u(ab) [L556] EXPR t->g [L556] EXPR t->g [L556] COND TRUE *t->g [L557] return 2; [L577] RET u(ab) [L578] x = 2 [L579] longjmp(env_buffer, 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 1 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:20:06,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476b5d49-8b2a-413f-af92-526eb6a72192/bin/uautomizer-verify-84ZbGMXZE1/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