./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/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_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/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 32bit --witnessprinter.graph.data.programhash c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:16,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:16,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:02:16,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:16,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:16,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:16,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:16,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:16,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:16,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:16,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:16,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:16,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:16,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:16,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:16,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:16,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:16,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:16,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:16,655 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:16,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:16,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:16,657 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:16,658 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:16,658 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:16,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:16,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:16,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:16,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:16,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:16,661 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:16,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:16,661 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:16,662 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_c5302401-aaf1-4372-bc05-f89881a88f29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 [2023-11-19 03:02:16,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:17,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:17,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:17,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:17,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:17,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2023-11-19 03:02:20,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:20,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:20,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2023-11-19 03:02:20,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/data/5dde88679/0234cad3fdf94587810c553733f7b155/FLAG018783fc9 [2023-11-19 03:02:20,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/data/5dde88679/0234cad3fdf94587810c553733f7b155 [2023-11-19 03:02:20,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:20,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:20,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:20,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:20,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:20,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ed0726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20, skipping insertion in model container [2023-11-19 03:02:20,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:20,876 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_c5302401-aaf1-4372-bc05-f89881a88f29/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2023-11-19 03:02:20,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:20,892 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:20,906 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_c5302401-aaf1-4372-bc05-f89881a88f29/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2023-11-19 03:02:20,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:20,922 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:20,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20 WrapperNode [2023-11-19 03:02:20,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:20,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:20,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:20,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:20,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,956 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2023-11-19 03:02:20,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:20,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:20,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:20,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:20,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:20,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:20,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:20,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:20,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:20" (1/1) ... [2023-11-19 03:02:20,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:21,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:21,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:21,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:02:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-11-19 03:02:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-11-19 03:02:21,154 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:21,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:21,355 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:21,391 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:21,391 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:02:21,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:21 BoogieIcfgContainer [2023-11-19 03:02:21,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:21,402 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:21,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:21,417 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:21,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:21" (1/1) ... [2023-11-19 03:02:21,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:02:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:02:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:02:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:02:21,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:21,756 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 03:02:21,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2023-11-19 03:02:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-19 03:02:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:02:21,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:22,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:02:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2023-11-19 03:02:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 03:02:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:02:22,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:22,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:02:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:22,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2023-11-19 03:02:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-19 03:02:22,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:02:22,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:22,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:02:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2023-11-19 03:02:22,838 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-19 03:02:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:02:22,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:22,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:02:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:23,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2023-11-19 03:02:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2023-11-19 03:02:23,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:23,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:23,474 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:02:23,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2023-11-19 03:02:23,629 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2023-11-19 03:02:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:02:23,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:23,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-19 03:02:24,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:24,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2023-11-19 03:02:24,039 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2023-11-19 03:02:24,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:02:24,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:24,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-11-19 03:02:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:24,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2023-11-19 03:02:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-11-19 03:02:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:02:24,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:24,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:02:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2023-11-19 03:02:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2023-11-19 03:02:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:02:24,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:24,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-19 03:02:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 43 states and 99 transitions. [2023-11-19 03:02:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2023-11-19 03:02:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:02:25,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:25,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-19 03:02:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 46 states and 113 transitions. [2023-11-19 03:02:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 113 transitions. [2023-11-19 03:02:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:02:25,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:25,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-19 03:02:26,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 49 states and 128 transitions. [2023-11-19 03:02:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 128 transitions. [2023-11-19 03:02:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 03:02:26,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:26,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-19 03:02:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 52 states and 144 transitions. [2023-11-19 03:02:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 144 transitions. [2023-11-19 03:02:27,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:02:27,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:27,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-19 03:02:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:27,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 55 states and 161 transitions. [2023-11-19 03:02:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 161 transitions. [2023-11-19 03:02:27,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 03:02:27,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:27,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:28,097 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2023-11-19 03:02:28,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 58 states and 179 transitions. [2023-11-19 03:02:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 179 transitions. [2023-11-19 03:02:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-19 03:02:28,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:28,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2023-11-19 03:02:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 61 states and 198 transitions. [2023-11-19 03:02:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 198 transitions. [2023-11-19 03:02:29,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 03:02:29,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:29,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-11-19 03:02:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 64 states and 218 transitions. [2023-11-19 03:02:29,873 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 218 transitions. [2023-11-19 03:02:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 03:02:29,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:29,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-19 03:02:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 67 states and 239 transitions. [2023-11-19 03:02:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 239 transitions. [2023-11-19 03:02:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 03:02:30,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:30,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2023-11-19 03:02:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 70 states and 261 transitions. [2023-11-19 03:02:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 261 transitions. [2023-11-19 03:02:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 03:02:31,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:31,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2023-11-19 03:02:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 73 states and 284 transitions. [2023-11-19 03:02:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 284 transitions. [2023-11-19 03:02:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 03:02:32,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:32,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-19 03:02:57,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 137 states and 769 transitions. [2023-11-19 03:02:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 769 transitions. [2023-11-19 03:02:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-19 03:02:57,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:57,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 672 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2023-11-19 03:03:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 74 states and 76 transitions. [2023-11-19 03:03:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2023-11-19 03:03:04,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:03:04,606 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2023-11-19 03:03:04,617 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:03:05,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:03:05 ImpRootNode [2023-11-19 03:03:05,161 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:03:05,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:03:05,161 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:03:05,162 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:03:05,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:21" (3/4) ... [2023-11-19 03:03:05,164 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:03:05,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-11-19 03:03:05,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 03:03:05,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:03:05,183 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:03:05,183 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:03:05,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:03:05,262 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:03:05,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:03:05,264 INFO L158 Benchmark]: Toolchain (without parser) took 44619.91ms. Allocated memory was 155.2MB in the beginning and 432.0MB in the end (delta: 276.8MB). Free memory was 113.8MB in the beginning and 280.4MB in the end (delta: -166.6MB). Peak memory consumption was 112.8MB. Max. memory is 16.1GB. [2023-11-19 03:03:05,265 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 155.2MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:05,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.47ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 103.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:03:05,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.11ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 102.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:05,266 INFO L158 Benchmark]: Boogie Preprocessor took 22.12ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 100.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:05,267 INFO L158 Benchmark]: RCFGBuilder took 420.17ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 91.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:03:05,270 INFO L158 Benchmark]: CodeCheck took 43758.52ms. Allocated memory was 155.2MB in the beginning and 432.0MB in the end (delta: 276.8MB). Free memory was 91.2MB in the beginning and 284.6MB in the end (delta: -193.4MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2023-11-19 03:03:05,270 INFO L158 Benchmark]: Witness Printer took 100.85ms. Allocated memory is still 432.0MB. Free memory was 284.6MB in the beginning and 280.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:03:05,272 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, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.2s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1726 SdHoareTripleChecker+Valid, 24.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1109 mSDsluCounter, 2419 SdHoareTripleChecker+Invalid, 20.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2109 mSDsCounter, 2757 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15595 IncrementalHoareTripleChecker+Invalid, 18352 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2757 mSolverCounterUnsat, 310 mSDtfsCounter, 15595 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29961 GetRequests, 28554 SyntacticMatches, 1047 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52129 ImplicationChecksByTransitivity, 27.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 1584 NumberOfCodeBlocks, 1584 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1562 ConstructedInterpolants, 0 QuantifiedInterpolants, 3968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 5754/10164 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 - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 155.2MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.47ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 103.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.11ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 102.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.12ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 100.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.17ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 91.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 43758.52ms. Allocated memory was 155.2MB in the beginning and 432.0MB in the end (delta: 276.8MB). Free memory was 91.2MB in the beginning and 284.6MB in the end (delta: -193.4MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. * Witness Printer took 100.85ms. Allocated memory is still 432.0MB. Free memory was 284.6MB in the beginning and 280.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:03:05,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5302401-aaf1-4372-bc05-f89881a88f29/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: TRUE