./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:59,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:59,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:23:59,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:59,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:59,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:59,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:59,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:59,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:59,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:59,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:59,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:59,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:59,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:59,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:59,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:59,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:59,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:59,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:59,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:59,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:59,882 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:59,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:59,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:59,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:59,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:59,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:59,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:59,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:59,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:59,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 [2023-11-19 03:24:00,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:00,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:00,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:00,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:00,170 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:00,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2023-11-19 03:24:03,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:03,683 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:03,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2023-11-19 03:24:03,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/data/430103281/e858b37ac0074284898348bb474ce0d4/FLAG618f346ac [2023-11-19 03:24:03,717 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/data/430103281/e858b37ac0074284898348bb474ce0d4 [2023-11-19 03:24:03,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:03,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:03,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:03,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:03,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:03,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@81a1add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03, skipping insertion in model container [2023-11-19 03:24:03,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:03,989 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_06585e56-2af6-4683-8a7b-fe13bf148076/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2023-11-19 03:24:04,099 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:04,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:04,216 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:04,230 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_06585e56-2af6-4683-8a7b-fe13bf148076/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2023-11-19 03:24:04,249 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:04,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:04,333 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:04,341 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:04,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04 WrapperNode [2023-11-19 03:24:04,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:04,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:04,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:04,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:04,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,410 INFO L138 Inliner]: procedures = 193, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2023-11-19 03:24:04,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:04,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:04,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:04,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:04,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:04,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:04,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:04,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:04,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:04,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:04,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:04,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:24:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:24:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:24:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:04,624 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:04,626 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:04,736 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:04,756 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:04,756 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:24:04,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:04 BoogieIcfgContainer [2023-11-19 03:24:04,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:04,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:04,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:04,773 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:04,773 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:04" (1/1) ... [2023-11-19 03:24:04,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-19 03:24:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-19 03:24:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:24:04,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:04,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 18 transitions. [2023-11-19 03:24:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-19 03:24:05,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:24:05,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:05,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:05,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:05,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:05,485 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:24:05,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:24:05 ImpRootNode [2023-11-19 03:24:05,517 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:24:05,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:24:05,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:24:05,518 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:24:05,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:04" (3/4) ... [2023-11-19 03:24:05,523 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:24:05,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:24:05,525 INFO L158 Benchmark]: Toolchain (without parser) took 1803.03ms. Allocated memory is still 157.3MB. Free memory was 123.7MB in the beginning and 117.4MB in the end (delta: 6.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,526 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:05,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.74ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 100.9MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.61ms. Allocated memory is still 157.3MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,529 INFO L158 Benchmark]: Boogie Preprocessor took 42.76ms. Allocated memory is still 157.3MB. Free memory was 98.8MB in the beginning and 97.9MB in the end (delta: 901.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,530 INFO L158 Benchmark]: RCFGBuilder took 305.71ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 86.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,531 INFO L158 Benchmark]: CodeCheck took 754.91ms. Allocated memory is still 157.3MB. Free memory was 86.8MB in the beginning and 118.3MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:05,532 INFO L158 Benchmark]: Witness Printer took 6.58ms. Allocated memory is still 157.3MB. Free memory was 118.3MB in the beginning and 117.4MB in the end (delta: 902.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,536 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 5 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 738]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 738. Possible FailurePath: [L734] jmp_buf env_buffer; [L735] int global = 0; [L745] int val; VAL [global=0] [L746] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L746] RET __VERIFIER_assert(global == 0) VAL [global=0] [L748] CALL fun() [L741] global = 42 [L742] CALL foo() [L737] int local = 7; VAL [global=42, local=7] [L738] longjmp(env_buffer, 2) VAL [global=42, local=7] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.74ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 100.9MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.61ms. Allocated memory is still 157.3MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.76ms. Allocated memory is still 157.3MB. Free memory was 98.8MB in the beginning and 97.9MB in the end (delta: 901.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.71ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 86.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 754.91ms. Allocated memory is still 157.3MB. Free memory was 86.8MB in the beginning and 118.3MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.58ms. Allocated memory is still 157.3MB. Free memory was 118.3MB in the beginning and 117.4MB in the end (delta: 902.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:24:05,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:24:08,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:08,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:24:08,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:08,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:24:08,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:24:08,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:08,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:08,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:08,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:24:08,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:08,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:24:08,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:08,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:24:08,526 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:24:08,527 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:24:08,527 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:24:08,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:24:08,529 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:08,529 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:08,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:08,531 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:08,532 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:08,532 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:24:08,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:08,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:08,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:08,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:08,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:24:08,537 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:24:08,537 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:08,538 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:24:08,539 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:24:08,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:24:08,540 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_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 [2023-11-19 03:24:08,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:09,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:09,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:09,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:09,014 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:09,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2023-11-19 03:24:12,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:12,546 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:12,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2023-11-19 03:24:12,573 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/data/f64573096/696b2709c7fd410f9eb28a0953532461/FLAG2824f6f34 [2023-11-19 03:24:12,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/data/f64573096/696b2709c7fd410f9eb28a0953532461 [2023-11-19 03:24:12,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:12,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:12,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:12,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:12,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:12,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:12" (1/1) ... [2023-11-19 03:24:12,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca5a621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:12, skipping insertion in model container [2023-11-19 03:24:12,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:12" (1/1) ... [2023-11-19 03:24:12,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:12,910 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_06585e56-2af6-4683-8a7b-fe13bf148076/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2023-11-19 03:24:13,091 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:13,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:13,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:13,273 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_06585e56-2af6-4683-8a7b-fe13bf148076/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2023-11-19 03:24:13,297 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:24:13,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:13,387 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:13,395 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:13,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13 WrapperNode [2023-11-19 03:24:13,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:13,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:13,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:13,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:13,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,465 INFO L138 Inliner]: procedures = 194, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2023-11-19 03:24:13,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:13,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:13,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:13,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:13,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:13,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:13,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:13,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:13,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:13,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:13,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:13,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:13,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:24:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:24:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:24:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:13,747 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:13,749 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:13,948 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:13,987 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:13,987 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:24:13,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:13 BoogieIcfgContainer [2023-11-19 03:24:13,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:13,993 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:13,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:14,003 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:14,004 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:13" (1/1) ... [2023-11-19 03:24:14,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-19 03:24:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-19 03:24:14,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:24:14,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:14,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:14,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:24:14,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:24:14,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:24:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:14,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:24:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:14,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:24:14,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:14,456 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:24:14,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:24:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 19 transitions. [2023-11-19 03:24:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:24:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:24:14,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:14,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:14,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:24:14,582 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:24:14,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:24:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:14,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:14,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:24:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:24:14,787 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:24:14,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:24:14,797 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:24:14,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:24:14 ImpRootNode [2023-11-19 03:24:14,825 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:24:14,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:24:14,826 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:24:14,826 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:24:14,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:13" (3/4) ... [2023-11-19 03:24:14,829 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:24:14,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:24:14,832 INFO L158 Benchmark]: Toolchain (without parser) took 2231.31ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 41.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-19 03:24:14,832 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 60.8MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:14,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.15ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 50.4MB in the end (delta: 5.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:14,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.74ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 48.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:14,835 INFO L158 Benchmark]: Boogie Preprocessor took 73.90ms. Allocated memory is still 81.8MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:14,842 INFO L158 Benchmark]: RCFGBuilder took 450.18ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 35.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:24:14,844 INFO L158 Benchmark]: CodeCheck took 832.51ms. Allocated memory is still 81.8MB. Free memory was 35.5MB in the beginning and 41.3MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:14,845 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 81.8MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:14,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 2 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 738]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 738. Possible FailurePath: [L734] jmp_buf env_buffer; [L735] int global = 0; [L745] int val; VAL [global=0] [L746] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L746] RET __VERIFIER_assert(global == 0) VAL [global=0] [L748] CALL fun() [L741] global = 42 [L742] CALL foo() [L737] int local = 7; VAL [global=42, local=7] [L738] longjmp(env_buffer, 2) VAL [global=42, local=7] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 60.8MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.15ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 50.4MB in the end (delta: 5.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.74ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 48.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.90ms. Allocated memory is still 81.8MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.18ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 35.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 832.51ms. Allocated memory is still 81.8MB. Free memory was 35.5MB in the beginning and 41.3MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 81.8MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:24:14,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06585e56-2af6-4683-8a7b-fe13bf148076/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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