./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh --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 83d0be5c2be15d38743c116516449aa760d3a20e813314b6119c0091e1d0d6cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:05:18,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:05:18,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 13:05:18,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:05:18,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:05:18,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:05:18,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:05:18,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:05:18,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:05:18,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:05:18,943 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:05:18,943 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:05:18,944 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:05:18,944 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:05:18,945 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:05:18,945 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:05:18,946 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:05:18,946 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:05:18,947 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:05:18,947 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:05:18,948 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:05:18,948 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:05:18,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:05:18,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:05:18,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:05:18,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:05:18,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:05:18,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:05:18,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:05:18,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:05:18,952 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:05:18,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:05:18,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:05:18,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:05:18,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:05:18,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:05:18,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:05:18,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:05:18,955 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:05:18,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:05:18,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:05:18,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:05:18,956 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:05:18,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:05:18,957 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_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83d0be5c2be15d38743c116516449aa760d3a20e813314b6119c0091e1d0d6cd [2023-12-02 13:05:19,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:05:19,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:05:19,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:05:19,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:05:19,208 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:05:19,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2023-12-02 13:05:22,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:05:22,251 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:05:22,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2023-12-02 13:05:22,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/data/d1ec46c58/37c3096a3f104bab85f9a95bc59684d5/FLAG9c7e5be25 [2023-12-02 13:05:22,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/data/d1ec46c58/37c3096a3f104bab85f9a95bc59684d5 [2023-12-02 13:05:22,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:05:22,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:05:22,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:05:22,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:05:22,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:05:22,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5563e82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22, skipping insertion in model container [2023-12-02 13:05:22,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,312 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:05:22,456 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2023-12-02 13:05:22,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:05:22,490 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:05:22,503 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2023-12-02 13:05:22,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:05:22,527 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:05:22,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22 WrapperNode [2023-12-02 13:05:22,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:05:22,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:05:22,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:05:22,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:05:22,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,563 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2023-12-02 13:05:22,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:05:22,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:05:22,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:05:22,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:05:22,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:05:22,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:05:22,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:05:22,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:05:22,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (1/1) ... [2023-12-02 13:05:22,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:05:22,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:05:22,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:05:22,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:05:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:05:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:05:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:05:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:05:22,727 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:05:22,729 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:05:22,830 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:05:22,853 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:05:22,853 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:05:22,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:22 BoogieIcfgContainer [2023-12-02 13:05:22,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:05:22,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:05:22,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:05:22,862 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:05:22,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:05:22" (1/3) ... [2023-12-02 13:05:22,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77db1a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:05:22, skipping insertion in model container [2023-12-02 13:05:22,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:22" (2/3) ... [2023-12-02 13:05:22,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77db1a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:05:22, skipping insertion in model container [2023-12-02 13:05:22,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:22" (3/3) ... [2023-12-02 13:05:22,866 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_12-counting-global_unknown_1_pos.i [2023-12-02 13:05:22,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:05:22,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 13:05:22,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:05:22,932 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@b9f35ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:05:22,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 13:05:22,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:05:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 13:05:22,954 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:22,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-12-02 13:05:22,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-12-02 13:05:22,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:22,960 INFO L85 PathProgramCache]: Analyzing trace with hash 59744, now seen corresponding path program 1 times [2023-12-02 13:05:22,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:05:22,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736680392] [2023-12-02 13:05:22,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:22,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:05:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:05:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:05:23,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:05:23,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736680392] [2023-12-02 13:05:23,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736680392] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:05:23,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:05:23,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:05:23,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568081197] [2023-12-02 13:05:23,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:05:23,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:05:23,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:05:23,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:05:23,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:05:23,267 INFO L87 Difference]: Start difference. First operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:05:23,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:05:23,294 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2023-12-02 13:05:23,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:05:23,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-12-02 13:05:23,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:05:23,305 INFO L225 Difference]: With dead ends: 16 [2023-12-02 13:05:23,305 INFO L226 Difference]: Without dead ends: 6 [2023-12-02 13:05:23,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:05:23,313 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:05:23,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:05:23,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2023-12-02 13:05:23,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-12-02 13:05:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:05:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2023-12-02 13:05:23,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 3 [2023-12-02 13:05:23,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:05:23,349 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2023-12-02 13:05:23,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:05:23,350 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-12-02 13:05:23,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 13:05:23,350 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:23,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 13:05:23,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:05:23,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-12-02 13:05:23,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:23,352 INFO L85 PathProgramCache]: Analyzing trace with hash 57568228, now seen corresponding path program 1 times [2023-12-02 13:05:23,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:05:23,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976030881] [2023-12-02 13:05:23,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:23,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:05:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:05:23,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:05:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:05:23,409 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:05:23,409 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:05:23,411 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-12-02 13:05:23,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-02 13:05:23,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:05:23,417 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 13:05:23,421 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:05:23,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:05:23 BoogieIcfgContainer [2023-12-02 13:05:23,438 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:05:23,439 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:05:23,439 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:05:23,439 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:05:23,440 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:22" (3/4) ... [2023-12-02 13:05:23,442 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:05:23,443 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:05:23,444 INFO L158 Benchmark]: Toolchain (without parser) took 1164.19ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 111.0MB in the beginning and 135.0MB in the end (delta: -23.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,444 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:05:23,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.67ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 100.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.94ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 98.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,446 INFO L158 Benchmark]: Boogie Preprocessor took 22.06ms. Allocated memory is still 155.2MB. Free memory was 98.9MB in the beginning and 97.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:05:23,447 INFO L158 Benchmark]: RCFGBuilder took 268.52ms. Allocated memory is still 155.2MB. Free memory was 97.6MB in the beginning and 87.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 13:05:23,447 INFO L158 Benchmark]: TraceAbstraction took 580.24ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 87.2MB in the beginning and 135.0MB in the end (delta: -47.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:05:23,448 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 186.6MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:05:23,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.67ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 100.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.94ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 98.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.06ms. Allocated memory is still 155.2MB. Free memory was 98.9MB in the beginning and 97.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.52ms. Allocated memory is still 155.2MB. Free memory was 97.6MB in the beginning and 87.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 580.24ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 87.2MB in the beginning and 135.0MB in the end (delta: -47.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 186.6MB. Free memory is still 135.0MB. 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: 49]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 49. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; [L54] CALL __VERIFIER_assert(count == 0) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, count=0] [L54] RET __VERIFIER_assert(count == 0) [L55] COND TRUE count < 5 [L56] CALL foo() [L48] count++ VAL [count=1] [L49] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:05:23,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/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 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_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh --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 83d0be5c2be15d38743c116516449aa760d3a20e813314b6119c0091e1d0d6cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:05:25,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:05:25,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 13:05:25,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:05:25,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:05:25,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:05:25,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:05:25,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:05:25,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:05:25,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:05:25,573 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:05:25,574 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:05:25,575 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:05:25,575 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:05:25,576 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:05:25,576 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:05:25,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:05:25,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:05:25,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:05:25,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:05:25,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:05:25,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:05:25,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:05:25,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:05:25,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:05:25,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:05:25,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:05:25,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:05:25,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:05:25,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:05:25,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:05:25,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:05:25,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:05:25,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:05:25,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:05:25,587 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:05:25,587 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:05:25,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:05:25,587 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:05:25,587 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:05:25,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:05:25,588 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_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83d0be5c2be15d38743c116516449aa760d3a20e813314b6119c0091e1d0d6cd [2023-12-02 13:05:25,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:05:25,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:05:25,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:05:25,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:05:25,943 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:05:25,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2023-12-02 13:05:28,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:05:28,926 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:05:28,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2023-12-02 13:05:28,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/data/0878e4fd3/dd8b8dcf7edd41e1a379df77e7bdf00f/FLAGe25df0fa0 [2023-12-02 13:05:28,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/data/0878e4fd3/dd8b8dcf7edd41e1a379df77e7bdf00f [2023-12-02 13:05:28,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:05:28,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:05:28,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:05:28,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:05:28,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:05:28,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:05:28" (1/1) ... [2023-12-02 13:05:28,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c6e4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:28, skipping insertion in model container [2023-12-02 13:05:28,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:05:28" (1/1) ... [2023-12-02 13:05:28,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:05:29,145 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2023-12-02 13:05:29,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:05:29,185 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:05:29,199 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2023-12-02 13:05:29,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:05:29,223 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:05:29,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29 WrapperNode [2023-12-02 13:05:29,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:05:29,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:05:29,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:05:29,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:05:29,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,261 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2023-12-02 13:05:29,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:05:29,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:05:29,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:05:29,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:05:29,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:05:29,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:05:29,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:05:29,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:05:29,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (1/1) ... [2023-12-02 13:05:29,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:05:29,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:05:29,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:05:29,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:05:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:05:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:05:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:05:29,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:05:29,441 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:05:29,444 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:05:29,568 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:05:29,594 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:05:29,595 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:05:29,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:29 BoogieIcfgContainer [2023-12-02 13:05:29,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:05:29,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:05:29,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:05:29,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:05:29,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:05:28" (1/3) ... [2023-12-02 13:05:29,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a89cf30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:05:29, skipping insertion in model container [2023-12-02 13:05:29,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:05:29" (2/3) ... [2023-12-02 13:05:29,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a89cf30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:05:29, skipping insertion in model container [2023-12-02 13:05:29,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:29" (3/3) ... [2023-12-02 13:05:29,604 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_12-counting-global_unknown_1_pos.i [2023-12-02 13:05:29,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:05:29,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 13:05:29,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:05:29,667 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@24cc84b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:05:29,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 13:05:29,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:05:29,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 13:05:29,675 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:29,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-12-02 13:05:29,677 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-12-02 13:05:29,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash 59744, now seen corresponding path program 1 times [2023-12-02 13:05:29,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:05:29,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728071013] [2023-12-02 13:05:29,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:29,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:29,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:05:29,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:05:29,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 13:05:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:05:29,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:05:29,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:05:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:05:29,835 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:05:29,836 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:05:29,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728071013] [2023-12-02 13:05:29,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728071013] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:05:29,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:05:29,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:05:29,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471019557] [2023-12-02 13:05:29,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:05:29,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:05:29,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:05:29,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:05:29,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:05:29,870 INFO L87 Difference]: Start difference. First operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:05:29,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:05:29,897 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2023-12-02 13:05:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:05:29,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-12-02 13:05:29,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:05:29,905 INFO L225 Difference]: With dead ends: 16 [2023-12-02 13:05:29,906 INFO L226 Difference]: Without dead ends: 6 [2023-12-02 13:05:29,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:05:29,912 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:05:29,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:05:29,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2023-12-02 13:05:29,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-12-02 13:05:29,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:05:29,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2023-12-02 13:05:29,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 3 [2023-12-02 13:05:29,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:05:29,936 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2023-12-02 13:05:29,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:05:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-12-02 13:05:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 13:05:29,937 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:05:29,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 13:05:29,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:05:30,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:30,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-12-02 13:05:30,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:05:30,141 INFO L85 PathProgramCache]: Analyzing trace with hash 57568228, now seen corresponding path program 1 times [2023-12-02 13:05:30,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:05:30,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221250358] [2023-12-02 13:05:30,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:05:30,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:30,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:05:30,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:05:30,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 13:05:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:05:30,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:05:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:05:30,220 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-12-02 13:05:30,220 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:05:30,222 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-12-02 13:05:30,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-02 13:05:30,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 13:05:30,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:05:30,430 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 13:05:30,434 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:05:30,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:05:30 BoogieIcfgContainer [2023-12-02 13:05:30,450 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:05:30,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:05:30,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:05:30,451 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:05:30,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:05:29" (3/4) ... [2023-12-02 13:05:30,454 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:05:30,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:05:30,456 INFO L158 Benchmark]: Toolchain (without parser) took 1505.71ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 42.4MB in the end (delta: 26.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-12-02 13:05:30,456 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:05:30,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.66ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 57.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 13:05:30,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.20ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:05:30,458 INFO L158 Benchmark]: Boogie Preprocessor took 25.53ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:05:30,459 INFO L158 Benchmark]: RCFGBuilder took 307.09ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 69.6MB in the end (delta: -15.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-12-02 13:05:30,459 INFO L158 Benchmark]: TraceAbstraction took 851.87ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 43.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 13:05:30,460 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 92.3MB. Free memory was 43.0MB in the beginning and 42.4MB in the end (delta: 613.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:05:30,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.66ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 57.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.20ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.53ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.09ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 69.6MB in the end (delta: -15.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * TraceAbstraction took 851.87ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 43.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 92.3MB. Free memory was 43.0MB in the beginning and 42.4MB in the end (delta: 613.1kB). 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: 49]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 49. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; [L54] CALL __VERIFIER_assert(count == 0) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, count=0] [L54] RET __VERIFIER_assert(count == 0) [L55] COND TRUE count < 5 [L56] CALL foo() [L48] count++ VAL [count=1] [L49] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 2 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:05:30,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d780372c-2842-4713-bf6f-cc2e94cf4a62/bin/utaipan-verify-nQ1chXbOIh/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample