./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2 --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 4511f44c0bf763de58d9eed782d5f1186937970a6834c08910ae7c88d48e7682 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:44:48,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:44:48,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:44:48,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:44:48,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:44:48,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:44:48,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:44:48,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:44:48,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:44:48,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:44:48,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:44:48,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:44:48,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:44:48,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:44:48,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:44:48,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:44:48,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:44:48,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:44:48,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:44:48,310 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:44:48,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:44:48,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:44:48,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:44:48,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:48,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:44:48,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:44:48,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:44:48,316 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:44:48,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:44:48,317 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:44:48,318 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_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4511f44c0bf763de58d9eed782d5f1186937970a6834c08910ae7c88d48e7682 [2023-11-21 18:44:48,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:44:48,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:44:48,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:44:48,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:44:48,610 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:44:48,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i [2023-11-21 18:44:51,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:51,941 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:51,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i [2023-11-21 18:44:51,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/data/c3f29ca7d/b84ae864682e448db474067baa858991/FLAG150a54a8b [2023-11-21 18:44:51,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/data/c3f29ca7d/b84ae864682e448db474067baa858991 [2023-11-21 18:44:51,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:51,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:51,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:51,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:51,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:51,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:51" (1/1) ... [2023-11-21 18:44:51,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@879e0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:51, skipping insertion in model container [2023-11-21 18:44:51,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:51" (1/1) ... [2023-11-21 18:44:52,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:52,233 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_0aba68b5-85db-442a-8db6-4a69d55813b6/sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i[1100,1113] [2023-11-21 18:44:52,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:52,302 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:52,321 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_0aba68b5-85db-442a-8db6-4a69d55813b6/sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i[1100,1113] [2023-11-21 18:44:52,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:52,363 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:52,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52 WrapperNode [2023-11-21 18:44:52,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:52,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:52,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:52,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:52,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,406 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2023-11-21 18:44:52,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:52,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:52,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:52,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:52,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:52,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:52,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:52,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:52,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:52,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:52,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:52,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:44:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:44:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:44:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:44:52,575 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:52,578 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:52,684 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:52,704 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:44:52,705 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:44:52,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:52 BoogieIcfgContainer [2023-11-21 18:44:52,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:44:52,708 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:44:52,708 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:44:52,716 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:44:52,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:52" (1/1) ... [2023-11-21 18:44:52,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:44:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:52,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-21 18:44:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-21 18:44:52,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:44:52,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:52,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 17 transitions. [2023-11-21 18:44:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-21 18:44:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:44:53,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:53,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:44:53,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:44:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:44:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:44:53,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:44:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:44:53,530 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:44:53,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:44:53 ImpRootNode [2023-11-21 18:44:53,558 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:44:53,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:44:53,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:44:53,559 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:44:53,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:52" (3/4) ... [2023-11-21 18:44:53,563 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:44:53,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:44:53,565 INFO L158 Benchmark]: Toolchain (without parser) took 1596.11ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 92.6MB in the beginning and 132.9MB in the end (delta: -40.3MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-11-21 18:44:53,566 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:53,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.68ms. Allocated memory is still 138.4MB. Free memory was 92.6MB in the beginning and 81.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:44:53,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.95ms. Allocated memory is still 138.4MB. Free memory was 81.7MB in the beginning and 80.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:53,568 INFO L158 Benchmark]: Boogie Preprocessor took 20.94ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 79.1MB in the end (delta: 990.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:53,569 INFO L158 Benchmark]: RCFGBuilder took 277.77ms. Allocated memory is still 138.4MB. Free memory was 79.1MB in the beginning and 69.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:44:53,570 INFO L158 Benchmark]: CodeCheck took 850.13ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 69.2MB in the beginning and 132.9MB in the end (delta: -63.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:53,570 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 178.3MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:53,586 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 5 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 39 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, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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: 50]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 50. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L47] int count = _setjmp (my_jump_buffer); VAL [count=0] [L48] COND TRUE count < 5 VAL [count=0] [L49] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L49] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L50] longjmp(my_jump_buffer, count + 1) VAL [count=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.68ms. Allocated memory is still 138.4MB. Free memory was 92.6MB in the beginning and 81.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.95ms. Allocated memory is still 138.4MB. Free memory was 81.7MB in the beginning and 80.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.94ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 79.1MB in the end (delta: 990.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 277.77ms. Allocated memory is still 138.4MB. Free memory was 79.1MB in the beginning and 69.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 850.13ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 69.2MB in the beginning and 132.9MB in the end (delta: -63.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 178.3MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:44:53,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2 --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 4511f44c0bf763de58d9eed782d5f1186937970a6834c08910ae7c88d48e7682 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:44:56,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:44:56,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:44:56,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:44:56,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:44:56,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:44:56,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:44:56,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:44:56,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:44:56,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:44:56,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:44:56,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:44:56,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:44:56,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:44:56,638 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:44:56,639 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:44:56,639 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:44:56,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:44:56,640 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:44:56,642 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:44:56,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:44:56,643 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:44:56,643 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:56,643 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:44:56,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:44:56,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:56,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:44:56,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:44:56,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:44:56,646 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:44:56,647 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:56,647 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:44:56,647 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:44:56,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:44:56,648 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_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4511f44c0bf763de58d9eed782d5f1186937970a6834c08910ae7c88d48e7682 [2023-11-21 18:44:57,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:44:57,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:44:57,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:44:57,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:44:57,132 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:44:57,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i [2023-11-21 18:45:00,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:00,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:00,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i [2023-11-21 18:45:00,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/data/ba885749e/ccda5d3755c74e2ab4ed05be04ab4380/FLAGdf37e0d72 [2023-11-21 18:45:00,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/data/ba885749e/ccda5d3755c74e2ab4ed05be04ab4380 [2023-11-21 18:45:00,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:00,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:00,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:00,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:00,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:00,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3242a19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00, skipping insertion in model container [2023-11-21 18:45:00,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:00,804 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_0aba68b5-85db-442a-8db6-4a69d55813b6/sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i[1100,1113] [2023-11-21 18:45:00,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:00,846 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:00,860 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_0aba68b5-85db-442a-8db6-4a69d55813b6/sv-benchmarks/c/longjmp/68-longjmp_14-counting-return-one-method_true.i[1100,1113] [2023-11-21 18:45:00,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:00,886 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:00,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00 WrapperNode [2023-11-21 18:45:00,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:00,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:00,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:00,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:00,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,945 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2023-11-21 18:45:00,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:00,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:00,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:00,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:00,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:00,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:00,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:00,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:00,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:00" (1/1) ... [2023-11-21 18:45:00,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:01,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:01,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:01,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:45:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:45:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:45:01,186 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:01,192 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:01,407 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:01,444 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:45:01,444 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:45:01,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:01 BoogieIcfgContainer [2023-11-21 18:45:01,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:45:01,447 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:45:01,447 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:45:01,462 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:45:01,462 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:01" (1/1) ... [2023-11-21 18:45:01,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:45:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-21 18:45:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-21 18:45:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:45:01,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:01,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:45:01,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:45:01,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:45:01,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:45:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:01,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:45:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:01,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:01,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:01,858 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:45:01,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-21 18:45:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 18 transitions. [2023-11-21 18:45:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-21 18:45:01,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:45:01,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:01,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:45:01,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:45:01,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:45:02,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:45:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:45:02,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:45:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:45:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:45:02,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:45:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:45:02,211 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:45:02,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:45:02,218 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:45:02,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:45:02 ImpRootNode [2023-11-21 18:45:02,241 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:45:02,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:45:02,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:45:02,242 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:45:02,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:01" (3/4) ... [2023-11-21 18:45:02,245 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:45:02,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:45:02,247 INFO L158 Benchmark]: Toolchain (without parser) took 1629.26ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 43.3MB in the beginning and 65.5MB in the end (delta: -22.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-21 18:45:02,248 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:02,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.70ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 31.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:45:02,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.92ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 31.8MB in the beginning and 71.4MB in the end (delta: -39.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-21 18:45:02,251 INFO L158 Benchmark]: Boogie Preprocessor took 44.92ms. Allocated memory is still 92.3MB. Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:45:02,256 INFO L158 Benchmark]: RCFGBuilder took 454.39ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 59.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:45:02,258 INFO L158 Benchmark]: CodeCheck took 793.71ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 65.9MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:02,258 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 65.5MB in the end (delta: 479.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:02,268 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, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 40 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, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 1 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 5 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: 50]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 50. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L47] int count = _setjmp (my_jump_buffer); VAL [count=0] [L48] COND TRUE count < 5 VAL [count=0] [L49] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L49] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L50] longjmp(my_jump_buffer, count + 1) VAL [count=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.70ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 31.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.92ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 31.8MB in the beginning and 71.4MB in the end (delta: -39.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.92ms. Allocated memory is still 92.3MB. Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 454.39ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 59.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 793.71ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 65.9MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 65.5MB in the end (delta: 479.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:45:02,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aba68b5-85db-442a-8db6-4a69d55813b6/bin/ukojak-verify-i0I2FZA1j2/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