./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:24:45,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:24:45,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:24:45,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:24:45,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:24:45,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:24:45,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:24:45,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:24:45,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:24:45,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:24:45,927 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:24:45,928 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:24:45,928 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:24:45,928 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:24:45,929 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:24:45,929 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:24:45,930 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:24:45,930 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:24:45,930 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:24:45,931 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:24:45,931 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:24:45,932 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:24:45,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:24:45,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:24:45,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:24:45,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:24:45,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:24:45,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:24:45,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:24:45,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:24:45,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:24:45,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:24:45,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:24:45,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:24:45,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:24:45,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:45,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:24:45,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:24:45,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:24:45,938 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:24:45,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:24:45,939 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:24:45,939 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:24:45,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:24:45,940 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 [2024-11-02 12:24:46,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:24:46,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:24:46,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:24:46,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:24:46,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:24:46,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i Unable to find full path for "g++" [2024-11-02 12:24:48,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:24:48,928 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:24:48,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2024-11-02 12:24:48,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/data/b99aca3fc/fca8f98fce224bc281ea3e12a24e8cb1/FLAGcbbc9859a [2024-11-02 12:24:49,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/data/b99aca3fc/fca8f98fce224bc281ea3e12a24e8cb1 [2024-11-02 12:24:49,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:24:49,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:24:49,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:49,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:24:49,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:24:49,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:49,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7baca57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49, skipping insertion in model container [2024-11-02 12:24:49,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:49,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:24:49,596 WARN L251 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_56a964ae-7f64-4150-8caf-9d637b8f29e4/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2024-11-02 12:24:49,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:49,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:24:49,914 WARN L251 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_56a964ae-7f64-4150-8caf-9d637b8f29e4/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2024-11-02 12:24:49,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:49,994 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:24:49,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49 WrapperNode [2024-11-02 12:24:49,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:49,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:49,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:24:49,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:24:50,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,039 INFO L138 Inliner]: procedures = 187, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-11-02 12:24:50,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:50,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:24:50,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:24:50,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:24:50,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:24:50,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:24:50,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:24:50,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:24:50,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (1/1) ... [2024-11-02 12:24:50,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:50,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:50,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:24:50,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:24:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:24:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:24:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:24:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:24:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:24:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:24:50,275 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:24:50,279 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:24:50,462 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-02 12:24:50,462 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:24:50,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:24:50,503 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:24:50,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:50 BoogieIcfgContainer [2024-11-02 12:24:50,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:24:50,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:24:50,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:24:50,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:24:50,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:49" (1/3) ... [2024-11-02 12:24:50,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb87c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:50, skipping insertion in model container [2024-11-02 12:24:50,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:49" (2/3) ... [2024-11-02 12:24:50,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb87c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:50, skipping insertion in model container [2024-11-02 12:24:50,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:50" (3/3) ... [2024-11-02 12:24:50,519 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_44-simple-else-path_true.i [2024-11-02 12:24:50,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:24:50,545 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 12:24:50,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:24:50,656 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=FINITE_AUTOMATA, 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;@759e1599, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:24:50,656 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 12:24:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:24:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-02 12:24:50,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:50,675 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-02 12:24:50,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:50,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:50,684 INFO L85 PathProgramCache]: Analyzing trace with hash 75071431, now seen corresponding path program 1 times [2024-11-02 12:24:50,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:24:50,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79209156] [2024-11-02 12:24:50,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:24:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:24:51,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:24:51,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79209156] [2024-11-02 12:24:51,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79209156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:51,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:51,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:24:51,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650577028] [2024-11-02 12:24:51,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:51,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:24:51,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:24:51,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:24:51,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:24:51,280 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:24:51,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:51,424 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2024-11-02 12:24:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:24:51,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-02 12:24:51,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:51,436 INFO L225 Difference]: With dead ends: 37 [2024-11-02 12:24:51,436 INFO L226 Difference]: Without dead ends: 20 [2024-11-02 12:24:51,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:24:51,444 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:51,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 33 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:24:51,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-02 12:24:51,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-02 12:24:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 14 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-02 12:24:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-11-02 12:24:51,526 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 5 [2024-11-02 12:24:51,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:51,527 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-11-02 12:24:51,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:24:51,530 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-02 12:24:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-02 12:24:51,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:51,534 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:51,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:24:51,534 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:51,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:51,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1588717337, now seen corresponding path program 1 times [2024-11-02 12:24:51,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:24:51,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146093947] [2024-11-02 12:24:51,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:51,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:24:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:24:51,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:24:51,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146093947] [2024-11-02 12:24:51,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146093947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:51,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:51,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:24:51,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219274031] [2024-11-02 12:24:51,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:51,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:24:51,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:24:51,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:24:51,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:24:51,682 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-02 12:24:51,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:51,701 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2024-11-02 12:24:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:24:51,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-02 12:24:51,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:51,704 INFO L225 Difference]: With dead ends: 20 [2024-11-02 12:24:51,705 INFO L226 Difference]: Without dead ends: 12 [2024-11-02 12:24:51,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:24:51,707 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:51,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:24:51,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-02 12:24:51,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-02 12:24:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-02 12:24:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-02 12:24:51,717 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 12 [2024-11-02 12:24:51,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:51,717 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-02 12:24:51,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-02 12:24:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-02 12:24:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-02 12:24:51,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:51,720 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:51,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:24:51,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:51,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:51,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1677439592, now seen corresponding path program 1 times [2024-11-02 12:24:51,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:24:51,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284002835] [2024-11-02 12:24:51,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:51,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:24:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:24:51,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:24:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:24:51,828 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:24:51,828 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:24:51,829 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-02 12:24:51,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-02 12:24:51,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:24:51,838 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-02 12:24:51,863 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:24:51,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:24:51 BoogieIcfgContainer [2024-11-02 12:24:51,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:24:51,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:24:51,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:24:51,870 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:24:51,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:50" (3/4) ... [2024-11-02 12:24:51,874 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:24:51,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:24:51,876 INFO L158 Benchmark]: Toolchain (without parser) took 2632.89ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 122.7MB in the end (delta: 8.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-02 12:24:51,877 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 115.3MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:24:51,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.40ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 107.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 12:24:51,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.94ms. Allocated memory is still 174.1MB. Free memory was 106.6MB in the beginning and 104.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:24:51,883 INFO L158 Benchmark]: Boogie Preprocessor took 25.65ms. Allocated memory is still 174.1MB. Free memory was 104.6MB in the beginning and 103.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:24:51,883 INFO L158 Benchmark]: RCFGBuilder took 434.03ms. Allocated memory is still 174.1MB. Free memory was 103.2MB in the beginning and 91.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-02 12:24:51,884 INFO L158 Benchmark]: TraceAbstraction took 1362.20ms. Allocated memory is still 174.1MB. Free memory was 90.6MB in the beginning and 122.7MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:24:51,884 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 174.1MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:24:51,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 115.3MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.40ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 107.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.94ms. Allocated memory is still 174.1MB. Free memory was 106.6MB in the beginning and 104.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.65ms. Allocated memory is still 174.1MB. Free memory was 104.6MB in the beginning and 103.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.03ms. Allocated memory is still 174.1MB. Free memory was 103.2MB in the beginning and 91.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1362.20ms. Allocated memory is still 174.1MB. Free memory was 90.6MB in the beginning and 122.7MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 174.1MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 727]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; [L730] int val; [L731] jmp_buf env_buffer2; VAL [global=0] [L732] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L732] RET __VERIFIER_assert(global == 0) VAL [global=0] [L733] val = _setjmp (env_buffer) VAL [global=0, val=0] [L734] COND FALSE !(val != 0) VAL [global=0] [L740] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L740] RET __VERIFIER_assert(global == 0) VAL [global=0] [L741] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=1, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:24:51,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:24:54,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:24:54,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-02 12:24:54,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:24:54,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:24:54,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:24:54,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:24:54,568 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:24:54,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:24:54,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:24:54,572 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:24:54,573 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:24:54,573 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:24:54,573 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:24:54,574 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:24:54,574 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:24:54,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:24:54,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:24:54,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:24:54,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:24:54,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:24:54,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:24:54,583 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:24:54,584 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:24:54,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:24:54,584 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:24:54,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:24:54,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:24:54,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:24:54,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:24:54,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:24:54,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:24:54,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:54,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:24:54,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:24:54,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:24:54,588 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:24:54,588 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:24:54,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:24:54,590 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:24:54,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:24:54,591 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 [2024-11-02 12:24:55,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:24:55,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:24:55,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:24:55,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:24:55,081 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:24:55,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i Unable to find full path for "g++" [2024-11-02 12:24:57,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:24:57,594 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:24:57,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2024-11-02 12:24:57,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/data/520a6ffae/b0e5a6d63aa44ae1907e979f2f49f341/FLAGab337e44f [2024-11-02 12:24:57,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/data/520a6ffae/b0e5a6d63aa44ae1907e979f2f49f341 [2024-11-02 12:24:57,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:24:57,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:24:57,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:57,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:24:57,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:24:57,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:57" (1/1) ... [2024-11-02 12:24:57,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2e940c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:57, skipping insertion in model container [2024-11-02 12:24:57,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:57" (1/1) ... [2024-11-02 12:24:57,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:24:57,957 WARN L251 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_56a964ae-7f64-4150-8caf-9d637b8f29e4/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2024-11-02 12:24:58,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:58,280 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:24:58,295 WARN L251 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_56a964ae-7f64-4150-8caf-9d637b8f29e4/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2024-11-02 12:24:58,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:58,408 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:24:58,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58 WrapperNode [2024-11-02 12:24:58,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:58,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:58,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:24:58,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:24:58,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,470 INFO L138 Inliner]: procedures = 188, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-11-02 12:24:58,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:58,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:24:58,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:24:58,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:24:58,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:24:58,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:24:58,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:24:58,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:24:58,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (1/1) ... [2024-11-02 12:24:58,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:58,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:58,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:24:58,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:24:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:24:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:24:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:24:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:24:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:24:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:24:58,801 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:24:58,808 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:24:59,055 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-02 12:24:59,055 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:24:59,068 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:24:59,071 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:24:59,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:59 BoogieIcfgContainer [2024-11-02 12:24:59,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:24:59,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:24:59,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:24:59,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:24:59,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:57" (1/3) ... [2024-11-02 12:24:59,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec4bc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:59, skipping insertion in model container [2024-11-02 12:24:59,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:58" (2/3) ... [2024-11-02 12:24:59,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec4bc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:59, skipping insertion in model container [2024-11-02 12:24:59,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:59" (3/3) ... [2024-11-02 12:24:59,085 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_44-simple-else-path_true.i [2024-11-02 12:24:59,107 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:24:59,107 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 12:24:59,212 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:24:59,218 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=FINITE_AUTOMATA, 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;@5d00ca14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:24:59,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 12:24:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:24:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-02 12:24:59,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:59,232 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-02 12:24:59,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:59,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:59,238 INFO L85 PathProgramCache]: Analyzing trace with hash 890540474, now seen corresponding path program 1 times [2024-11-02 12:24:59,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:59,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671376050] [2024-11-02 12:24:59,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:59,254 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 [2024-11-02 12:24:59,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:59,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:24:59,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:59,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:24:59,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:24:59,578 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:24:59,579 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:59,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671376050] [2024-11-02 12:24:59,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671376050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:59,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:59,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:24:59,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594546754] [2024-11-02 12:24:59,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:59,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:24:59,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:24:59,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:24:59,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:24:59,626 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:24:59,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:59,777 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2024-11-02 12:24:59,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:24:59,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-02 12:24:59,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:59,786 INFO L225 Difference]: With dead ends: 41 [2024-11-02 12:24:59,786 INFO L226 Difference]: Without dead ends: 21 [2024-11-02 12:24:59,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:24:59,793 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:59,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 39 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:24:59,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-02 12:24:59,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-02 12:24:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-02 12:24:59,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-02 12:24:59,840 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 6 [2024-11-02 12:24:59,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:59,841 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-02 12:24:59,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:24:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-02 12:24:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 12:24:59,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:59,845 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:59,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 12:25:00,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:25:00,046 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:25:00,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:25:00,047 INFO L85 PathProgramCache]: Analyzing trace with hash -395358778, now seen corresponding path program 1 times [2024-11-02 12:25:00,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:25:00,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148228335] [2024-11-02 12:25:00,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:25:00,049 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 [2024-11-02 12:25:00,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:25:00,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:25:00,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:25:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:25:00,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 12:25:00,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:25:00,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:25:00,189 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:25:00,190 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:25:00,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148228335] [2024-11-02 12:25:00,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148228335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:25:00,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:25:00,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:25:00,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038800791] [2024-11-02 12:25:00,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:25:00,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:25:00,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:25:00,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:25:00,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:25:00,199 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-02 12:25:00,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:25:00,221 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-11-02 12:25:00,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:25:00,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-02 12:25:00,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:25:00,223 INFO L225 Difference]: With dead ends: 21 [2024-11-02 12:25:00,223 INFO L226 Difference]: Without dead ends: 13 [2024-11-02 12:25:00,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:25:00,225 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 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 [2024-11-02 12:25:00,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:25:00,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-02 12:25:00,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-02 12:25:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-02 12:25:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-02 12:25:00,234 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 13 [2024-11-02 12:25:00,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:25:00,235 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-02 12:25:00,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-02 12:25:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-02 12:25:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-02 12:25:00,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:25:00,238 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:25:00,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:25:00,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:25:00,442 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:25:00,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:25:00,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1949054005, now seen corresponding path program 1 times [2024-11-02 12:25:00,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:25:00,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930471626] [2024-11-02 12:25:00,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:25:00,444 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 [2024-11-02 12:25:00,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:25:00,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:25:00,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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 (4)] Waiting until timeout for monitored process [2024-11-02 12:25:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:25:00,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:25:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:25:00,592 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-02 12:25:00,592 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:25:00,594 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-02 12:25:00,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-02 12:25:00,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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 (4)] Ended with exit code 0 [2024-11-02 12:25:00,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:25:00,808 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-02 12:25:00,853 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:25:00,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:25:00 BoogieIcfgContainer [2024-11-02 12:25:00,860 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:25:00,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:25:00,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:25:00,862 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:25:00,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:59" (3/4) ... [2024-11-02 12:25:00,865 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:25:00,867 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:25:00,868 INFO L158 Benchmark]: Toolchain (without parser) took 3223.91ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 60.1MB in the beginning and 77.5MB in the end (delta: -17.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-02 12:25:00,868 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 57.8MB in the end (delta: 147.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:00,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.48ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 54.7MB in the end (delta: 5.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-02 12:25:00,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.09ms. Allocated memory is still 81.8MB. Free memory was 54.7MB in the beginning and 52.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:00,870 INFO L158 Benchmark]: Boogie Preprocessor took 51.60ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 50.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:00,870 INFO L158 Benchmark]: RCFGBuilder took 545.68ms. Allocated memory is still 81.8MB. Free memory was 50.8MB in the beginning and 39.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-02 12:25:00,871 INFO L158 Benchmark]: TraceAbstraction took 1786.75ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 38.3MB in the beginning and 78.3MB in the end (delta: -40.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:25:00,871 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 77.5MB in the end (delta: 811.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:00,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 57.8MB in the end (delta: 147.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.48ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 54.7MB in the end (delta: 5.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.09ms. Allocated memory is still 81.8MB. Free memory was 54.7MB in the beginning and 52.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.60ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 50.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.68ms. Allocated memory is still 81.8MB. Free memory was 50.8MB in the beginning and 39.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1786.75ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 38.3MB in the beginning and 78.3MB in the end (delta: -40.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 77.5MB in the end (delta: 811.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 727]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; VAL [global=0] [L732] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L732] RET __VERIFIER_assert(global == 0) VAL [global=0] [L733] val = _setjmp (env_buffer) VAL [global=0, val=0] [L734] COND FALSE !(val != 0) VAL [global=0] [L740] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L740] RET __VERIFIER_assert(global == 0) VAL [global=0] [L741] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 27 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 2 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:25:00,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a964ae-7f64-4150-8caf-9d637b8f29e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample