./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/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 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:06,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:06,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:40:06,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:06,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:06,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:06,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:06,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:06,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:06,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:06,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:06,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:06,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:06,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:06,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:06,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:06,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:06,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:06,266 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:06,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:06,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:06,268 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:06,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:06,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:06,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:06,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:06,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:06,273 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:06,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:06,274 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:06,275 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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff [2023-11-19 03:40:06,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:06,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:06,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:06,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:06,666 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:06,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i [2023-11-19 03:40:09,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:10,054 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:10,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i [2023-11-19 03:40:10,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/data/1ed33d78c/bb4a7889ebb9412699f7980ad3b893c0/FLAGe32487886 [2023-11-19 03:40:10,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/data/1ed33d78c/bb4a7889ebb9412699f7980ad3b893c0 [2023-11-19 03:40:10,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:10,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:10,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:10,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:10,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:10,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5f4409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10, skipping insertion in model container [2023-11-19 03:40:10,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:10,421 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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i[1086,1099] [2023-11-19 03:40:10,607 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:10,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:10,762 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:10,778 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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i[1086,1099] [2023-11-19 03:40:10,808 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:10,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:10,879 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:10,888 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:10,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10 WrapperNode [2023-11-19 03:40:10,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:10,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:10,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:10,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:10,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,958 INFO L138 Inliner]: procedures = 194, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-19 03:40:10,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:10,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:10,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:10,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:10,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:10,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:10,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:10,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:10,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:10" (1/1) ... [2023-11-19 03:40:10,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:11,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:11,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:11,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:40:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:40:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:40:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:40:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:40:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:11,207 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:11,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:11,395 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:11,417 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:11,417 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:40:11,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:11 BoogieIcfgContainer [2023-11-19 03:40:11,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:11,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:11,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:11,436 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:11,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:11" (1/1) ... [2023-11-19 03:40:11,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-19 03:40:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 03:40:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:40:11,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:11,853 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 03:40:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 27 transitions. [2023-11-19 03:40:11,945 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 03:40:11,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:40:11,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:11,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:12,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:12,140 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:40:12,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:40:12 ImpRootNode [2023-11-19 03:40:12,180 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:40:12,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:40:12,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:40:12,181 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:40:12,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:11" (3/4) ... [2023-11-19 03:40:12,183 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:40:12,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:40:12,185 INFO L158 Benchmark]: Toolchain (without parser) took 2080.20ms. Allocated memory is still 151.0MB. Free memory was 106.4MB in the beginning and 89.9MB in the end (delta: 16.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-19 03:40:12,186 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:12,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.94ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 83.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:12,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.38ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 81.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:12,188 INFO L158 Benchmark]: Boogie Preprocessor took 29.35ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:12,189 INFO L158 Benchmark]: RCFGBuilder took 434.50ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 117.1MB in the end (delta: -37.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-19 03:40:12,189 INFO L158 Benchmark]: CodeCheck took 755.15ms. Allocated memory is still 151.0MB. Free memory was 117.1MB in the beginning and 89.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:40:12,190 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 151.0MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:12,197 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, 19 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, 15 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 5 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 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; [L746] volatile int val = 0; VAL [global=0, val={9727:0}] [L747] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L747] RET __VERIFIER_assert(global == 0) VAL [global=0, val={9727:0}] [L748] int x = _setjmp (env_buffer); VAL [global=0, val={9727:0}, x=0] [L749] COND TRUE 0 == x [L750] CALL fun(&val) [L741] global = 42 [L742] *ptr = 1 [L743] 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 0.38ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.94ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 83.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.38ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 81.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.35ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.50ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 117.1MB in the end (delta: -37.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 755.15ms. Allocated memory is still 151.0MB. Free memory was 117.1MB in the beginning and 89.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 151.0MB. Free memory is still 89.9MB. 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 03:40:12,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/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 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:15,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:15,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:40:15,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:15,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:15,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:15,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:15,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:15,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:15,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:15,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:15,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:15,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:15,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:15,294 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:40:15,294 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:40:15,295 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:40:15,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:15,295 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:15,297 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:15,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:15,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:15,299 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:15,299 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:40:15,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:15,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:15,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:15,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:15,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:15,302 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:40:15,304 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:15,304 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:15,304 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:40:15,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:40:15,305 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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff [2023-11-19 03:40:15,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:15,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:15,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:15,752 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:15,752 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:15,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i [2023-11-19 03:40:18,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:19,269 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:19,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i [2023-11-19 03:40:19,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/data/1d909ffce/521f3c3ecfcf48f59a475e314271ca10/FLAG31675fe10 [2023-11-19 03:40:19,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/data/1d909ffce/521f3c3ecfcf48f59a475e314271ca10 [2023-11-19 03:40:19,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:19,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:19,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:19,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:19,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:19,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:19" (1/1) ... [2023-11-19 03:40:19,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1c84e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:19, skipping insertion in model container [2023-11-19 03:40:19,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:19" (1/1) ... [2023-11-19 03:40:19,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:19,623 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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i[1086,1099] [2023-11-19 03:40:19,819 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:19,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:19,999 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:20,014 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_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i[1086,1099] [2023-11-19 03:40:20,045 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:20,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:20,157 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:20,165 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:20,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20 WrapperNode [2023-11-19 03:40:20,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:20,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:20,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:20,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:20,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,258 INFO L138 Inliner]: procedures = 198, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-19 03:40:20,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:20,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:20,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:20,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:20,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:20,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:20,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:20,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:20,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:20,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:20,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:20,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:40:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:40:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:40:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:40:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:40:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:40:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:40:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:20,550 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:20,553 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:20,781 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:20,804 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:20,804 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:40:20,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:20 BoogieIcfgContainer [2023-11-19 03:40:20,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:20,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:20,810 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:20,820 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:20,820 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:20" (1/1) ... [2023-11-19 03:40:20,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-19 03:40:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 03:40:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:40:20,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:20,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:20,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:40:20,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:40:20,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:40:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:21,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:40:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:21,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:21,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:21,167 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 03:40:21,169 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:40:21,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:40:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 28 transitions. [2023-11-19 03:40:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-19 03:40:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:40:21,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:21,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:21,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:40:21,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:40:21,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:40:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:21,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:21,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:21,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:40:21,633 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:40:21,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:40:21 ImpRootNode [2023-11-19 03:40:21,665 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:40:21,666 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:40:21,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:40:21,666 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:40:21,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:20" (3/4) ... [2023-11-19 03:40:21,670 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:40:21,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:40:21,672 INFO L158 Benchmark]: Toolchain (without parser) took 2353.31ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 71.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:40:21,673 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:21,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 846.43ms. Allocated memory is still 100.7MB. Free memory was 74.6MB in the beginning and 72.0MB in the end (delta: 2.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-19 03:40:21,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.64ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:21,676 INFO L158 Benchmark]: Boogie Preprocessor took 54.89ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 68.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:21,682 INFO L158 Benchmark]: RCFGBuilder took 489.42ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 55.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:40:21,683 INFO L158 Benchmark]: CodeCheck took 855.50ms. Allocated memory is still 100.7MB. Free memory was 55.3MB in the beginning and 72.5MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:21,685 INFO L158 Benchmark]: Witness Printer took 5.79ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 71.9MB in the end (delta: 641.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:21,693 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, 19 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 34 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 2 NumberOfNonLiveVariables, 41 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; [L746] volatile int val = 0; VAL [global=0, val={3:0}] [L747] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L747] RET __VERIFIER_assert(global == 0) VAL [global=0, val={3:0}] [L748] int x = _setjmp (env_buffer); VAL [global=0, val={3:0}, x=0] [L749] COND TRUE 0 == x [L750] CALL fun(&val) [L741] global = 42 [L742] *ptr = 1 [L743] 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 0.59ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 846.43ms. Allocated memory is still 100.7MB. Free memory was 74.6MB in the beginning and 72.0MB in the end (delta: 2.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.64ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.89ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 68.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.42ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 55.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 855.50ms. Allocated memory is still 100.7MB. Free memory was 55.3MB in the beginning and 72.5MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.79ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 71.9MB in the end (delta: 641.1kB). 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 03:40:21,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7cdc6a2-409f-4a70-85e5-52025d9a5a8b/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