./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9 --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 50cbd928f19c8de7d0fc761d4d92468ffab28bbc323c734fbd3b038f244d4544 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:01:55,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:01:55,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:01:55,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:01:55,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:01:55,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:01:55,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:01:55,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:01:55,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:01:55,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:01:55,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:01:55,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:01:55,858 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:01:55,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:01:55,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:01:55,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:01:55,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:01:55,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:01:55,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:01:55,862 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:01:55,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:01:55,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:01:55,864 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:01:55,864 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:01:55,864 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:01:55,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:01:55,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:01:55,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:01:55,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:01:55,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:01:55,867 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:01:55,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:01:55,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:01:55,868 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_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50cbd928f19c8de7d0fc761d4d92468ffab28bbc323c734fbd3b038f244d4544 [2023-12-02 22:01:56,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:01:56,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:01:56,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:01:56,133 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:01:56,133 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:01:56,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i [2023-12-02 22:01:58,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:01:59,169 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:01:59,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i [2023-12-02 22:01:59,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/data/e0c7c8bca/c3bd9cf3a88c4e36bcbcf803f90439e2/FLAG09cbb1876 [2023-12-02 22:01:59,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/data/e0c7c8bca/c3bd9cf3a88c4e36bcbcf803f90439e2 [2023-12-02 22:01:59,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:01:59,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:01:59,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:01:59,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:01:59,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:01:59,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767dcc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59, skipping insertion in model container [2023-12-02 22:01:59,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:01:59,353 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_9bca9548-bad7-4d20-b772-00bb57fb3b94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i[915,928] [2023-12-02 22:01:59,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:01:59,403 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:01:59,432 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_9bca9548-bad7-4d20-b772-00bb57fb3b94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i[915,928] [2023-12-02 22:01:59,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:01:59,468 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:01:59,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59 WrapperNode [2023-12-02 22:01:59,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:01:59,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:01:59,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:01:59,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:01:59,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,527 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2023-12-02 22:01:59,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:01:59,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:01:59,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:01:59,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:01:59,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:01:59,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:01:59,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:01:59,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:01:59,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:01:59" (1/1) ... [2023-12-02 22:01:59,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:01:59,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:01:59,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:01:59,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:01:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:01:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:01:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:01:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:01:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:01:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:01:59,676 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:01:59,678 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:01:59,921 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:02:00,136 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:02:00,137 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:02:00,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:00 BoogieIcfgContainer [2023-12-02 22:02:00,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:02:00,140 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:02:00,140 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:02:00,152 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:02:00,152 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:00" (1/1) ... [2023-12-02 22:02:00,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:02:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-02 22:02:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 22:02:00,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:02:00,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:00,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:02:00,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:02:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:02:00,517 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:02:00,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:02:00 ImpRootNode [2023-12-02 22:02:00,574 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:02:00,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:02:00,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:02:00,575 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:02:00,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:00" (3/4) ... [2023-12-02 22:02:00,577 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:02:00,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:02:00,580 INFO L158 Benchmark]: Toolchain (without parser) took 1388.51ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 77.1MB in the beginning and 138.7MB in the end (delta: -61.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:02:00,580 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:02:00,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.29ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 77.1MB in the beginning and 142.0MB in the end (delta: -64.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-12-02 22:02:00,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.87ms. Allocated memory is still 172.0MB. Free memory was 142.0MB in the beginning and 143.2MB in the end (delta: -1.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-12-02 22:02:00,583 INFO L158 Benchmark]: Boogie Preprocessor took 27.22ms. Allocated memory is still 172.0MB. Free memory was 143.2MB in the beginning and 141.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:02:00,583 INFO L158 Benchmark]: RCFGBuilder took 583.59ms. Allocated memory is still 172.0MB. Free memory was 141.9MB in the beginning and 104.6MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 22:02:00,584 INFO L158 Benchmark]: CodeCheck took 434.08ms. Allocated memory is still 172.0MB. Free memory was 104.6MB in the beginning and 139.7MB in the end (delta: -35.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-12-02 22:02:00,585 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 138.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:02:00,588 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] signed short int var_1_5 = 1; [L24] signed short int var_1_8 = -128; [L25] signed short int var_1_9 = 1; [L26] float var_1_10 = 25.8; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 1; [L29] float var_1_13 = 16.45; [L30] unsigned long int var_1_14 = 200; [L31] unsigned short int var_1_15 = 32; [L32] unsigned short int var_1_16 = 256; [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L65] var_1_8 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=1] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=1] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=1] [L68] var_1_9 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L70] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L71] var_1_11 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L73] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L74] var_1_12 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L76] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L77] var_1_13 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L79] var_1_16 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L81] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=1, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=1, var_1_1=100000000, var_1_5=1, var_1_8=32766, var_1_9=32766] [L94] RET updateVariables() [L95] CALL step() [L36] var_1_15 = var_1_16 [L37] var_1_14 = var_1_15 [L38] COND TRUE \read(var_1_11) [L39] COND FALSE !(\read(var_1_12)) [L46] var_1_10 = var_1_13 [L51] COND FALSE !(var_1_10 >= 50.4f) [L54] COND TRUE var_1_15 == (var_1_14 * var_1_15) [L55] COND FALSE !(var_1_10 >= (var_1_10 + var_1_10)) [L58] var_1_5 = var_1_8 [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR (((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) [L86-L87] return (((((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13)))) && (var_1_14 == ((unsigned long int) var_1_15))) && (var_1_15 == ((unsigned short int) var_1_16)) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_1=100000000, var_1_5=32766, var_1_8=32766, var_1_9=32766] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_1=100000000, var_1_5=32766, var_1_8=32766, var_1_9=32766] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.29ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 77.1MB in the beginning and 142.0MB in the end (delta: -64.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.87ms. Allocated memory is still 172.0MB. Free memory was 142.0MB in the beginning and 143.2MB in the end (delta: -1.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.22ms. Allocated memory is still 172.0MB. Free memory was 143.2MB in the beginning and 141.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.59ms. Allocated memory is still 172.0MB. Free memory was 141.9MB in the beginning and 104.6MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 434.08ms. Allocated memory is still 172.0MB. Free memory was 104.6MB in the beginning and 139.7MB in the end (delta: -35.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 138.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:02:00,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/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_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9 --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 50cbd928f19c8de7d0fc761d4d92468ffab28bbc323c734fbd3b038f244d4544 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:02:02,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:02:02,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:02:02,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:02:02,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:02:02,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:02:02,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:02:02,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:02:02,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:02:02,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:02:02,715 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:02:02,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:02:02,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:02:02,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:02:02,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:02:02,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:02:02,718 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:02:02,719 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:02:02,719 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:02:02,720 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:02:02,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:02:02,721 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:02:02,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:02:02,722 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:02:02,723 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:02:02,723 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:02,724 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:02:02,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:02:02,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:02:02,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:02:02,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:02:02,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:02:02,727 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:02:02,727 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:02,727 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:02:02,728 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:02:02,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:02:02,728 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_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50cbd928f19c8de7d0fc761d4d92468ffab28bbc323c734fbd3b038f244d4544 [2023-12-02 22:02:03,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:02:03,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:02:03,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:02:03,050 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:02:03,050 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:02:03,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i [2023-12-02 22:02:05,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:02:05,999 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:02:06,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i [2023-12-02 22:02:06,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/data/a262622fd/ffd2f5dbf74e4ebc9930f97b0aa6c2a4/FLAGb2504ea68 [2023-12-02 22:02:06,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/data/a262622fd/ffd2f5dbf74e4ebc9930f97b0aa6c2a4 [2023-12-02 22:02:06,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:02:06,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:02:06,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:02:06,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:02:06,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:02:06,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557e4b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06, skipping insertion in model container [2023-12-02 22:02:06,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:02:06,212 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_9bca9548-bad7-4d20-b772-00bb57fb3b94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i[915,928] [2023-12-02 22:02:06,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:02:06,265 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:02:06,278 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_9bca9548-bad7-4d20-b772-00bb57fb3b94/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i[915,928] [2023-12-02 22:02:06,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:02:06,314 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:02:06,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06 WrapperNode [2023-12-02 22:02:06,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:02:06,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:02:06,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:02:06,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:02:06,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,360 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-12-02 22:02:06,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:02:06,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:02:06,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:02:06,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:02:06,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:02:06,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:02:06,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:02:06,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:02:06,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:06" (1/1) ... [2023-12-02 22:02:06,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:02:06,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:02:06,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:02:06,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:02:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:02:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:02:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:02:06,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:02:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:02:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:02:06,557 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:02:06,559 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:02:07,061 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:02:07,166 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:02:07,166 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:02:07,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:07 BoogieIcfgContainer [2023-12-02 22:02:07,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:02:07,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:02:07,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:02:07,180 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:02:07,181 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:07" (1/1) ... [2023-12-02 22:02:07,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:02:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-02 22:02:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 22:02:07,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:02:07,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:07,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:07,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:07,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:07,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:02:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:07,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:07,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:02:07,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:02:28,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:29,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 22:02:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 22:02:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:02:29,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:29,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:29,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:29,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:29,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:02:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:29,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:29,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:02:29,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:02:47,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:02:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 22:02:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 22:02:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:02:47,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:47,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:47,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:47,485 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:47,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:02:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:47,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:47,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:02:47,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:03:04,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:03:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 22:03:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 22:03:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:03:04,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:04,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:04,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:04,762 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:04,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:03:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:05,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:05,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:03:05,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:03:22,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 22:03:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 22:03:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 22:03:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:03:22,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:22,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:22,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:22,701 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:22,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:03:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:23,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:23,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:03:23,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:03:39,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:03:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 22:03:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 22:03:39,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:03:39,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:39,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:39,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:39,792 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:39,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:03:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:40,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:40,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:03:40,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:03:55,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:03:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2023-12-02 22:03:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2023-12-02 22:03:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:03:56,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:56,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:56,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:56,242 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:56,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:03:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:56,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:56,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:03:56,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:04:13,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:04:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2023-12-02 22:04:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2023-12-02 22:04:13,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:04:13,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:13,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:13,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:13,860 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:13,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:04:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:14,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:14,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:04:14,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:04:31,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:04:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:04:32,334 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:04:32,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:04:32,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:32,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:32,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:32,336 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:32,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:04:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:32,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:32,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:04:32,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:04:48,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:04:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:04:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:04:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:04:48,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:48,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:48,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:48,955 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:48,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:04:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:49,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:49,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:04:49,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:05:05,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:05:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:05:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:05:05,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:05:05,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:05,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:05,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:05,855 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:05,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:05:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:06,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:06,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:05:06,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:05:22,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:05:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:05:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:05:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:05:22,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:22,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:22,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:22,715 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:22,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:05:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:23,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:23,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:05:23,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:05:38,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:05:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:38,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:05:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:05:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:05:38,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:38,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:38,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:38,501 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:38,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:05:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:38,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:38,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:05:38,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:05:55,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:05:55,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:55,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:05:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:05:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:05:55,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:55,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:55,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:55,464 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:55,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:05:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:55,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:55,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:05:55,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:06:12,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:06:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:06:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:06:12,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:06:12,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:12,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:12,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:12,686 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:12,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:06:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:13,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:13,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:06:13,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:06:30,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:06:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:06:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:06:30,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:06:30,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:30,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:30,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:30,070 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:30,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:06:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:30,465 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:30,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:06:30,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:06:46,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:06:46,944 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:06:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:46,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:06:46,951 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:06:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:06:46,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:46,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:46,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:46,953 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:46,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:06:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:47,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:47,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:06:47,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:07:03,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:07:03,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:07:03,499 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:07:03,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:07:03,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:03,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:03,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:03,501 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:03,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:07:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:03,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:03,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:07:03,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:07:21,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:07:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:07:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:07:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:07:21,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:21,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:21,737 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:21,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:07:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:22,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:22,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:07:22,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:07:39,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-02 22:07:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:39,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:07:39,960 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:07:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:07:39,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:39,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:39,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:39,962 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:39,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:07:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:40,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:40,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:07:40,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:07:57,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 22:07:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:57,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:07:57,314 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:07:57,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:07:57,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:57,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:57,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:57,316 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:57,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:07:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:57,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:57,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:07:57,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:08:15,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:08:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:08:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:08:15,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:08:15,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:15,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:15,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:15,964 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:15,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:08:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:16,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:16,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:08:16,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:08:33,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:08:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:08:33,443 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:08:33,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:08:33,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:33,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:33,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:33,445 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:33,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:08:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:33,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:33,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:08:33,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:08:50,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 22:08:50,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:08:50,167 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:08:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:08:50,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:50,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:50,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:50,169 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:50,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:08:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:50,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:50,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:08:50,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:09:08,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 22:09:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:09:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:09:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:09:08,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:08,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:08,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:08,305 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:08,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:09:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:08,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:08,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:09:08,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:27,880 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:09:27,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:09:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:09:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:09:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:09:27,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:27,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:27,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:27,892 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:27,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:09:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:28,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:28,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:09:28,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:09:45,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:09:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:09:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:09:45,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:09:45,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:45,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:09:45,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:09:45,420 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:09:45,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:09:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:45,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:09:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:45,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:09:45,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:10:03,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 22:10:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:10:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:10:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:10:03,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:03,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:03,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:03,732 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:03,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:10:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:04,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:04,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:10:04,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:10:21,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 22:10:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:10:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:10:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:10:21,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:21,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:21,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:21,945 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:21,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:10:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:22,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:22,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:10:22,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:10:40,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-02 22:10:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:10:40,595 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:10:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:10:40,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:40,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:40,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:40,597 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:40,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:10:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:40,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:41,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:10:41,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:10:57,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-02 22:10:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:10:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:10:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:10:57,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:57,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:10:57,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:10:57,789 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:10:57,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:10:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:58,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:10:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:58,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:10:58,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:11:15,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:11:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:11:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:11:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:11:15,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:15,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:15,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:15,810 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:15,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:11:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:16,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:16,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:11:16,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:11:33,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:11:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:33,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:11:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:11:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:11:33,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:33,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:33,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:33,649 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:33,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:11:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:34,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:34,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:11:34,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:11:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:11:50,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-02 22:11:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:11:50,947 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:11:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:11:50,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:50,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:11:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:11:50,949 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:11:50,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:11:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:51,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:11:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:51,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:11:51,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:07,568 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:12:07,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:12:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:12:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:12:07,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:12:07,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:07,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:07,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:07,578 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:07,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:12:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:07,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:08,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:12:08,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:12:24,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 22:12:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:12:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:12:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:12:24,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:24,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:24,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:24,164 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:24,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:12:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:24,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:24,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:12:24,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:12:42,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-02 22:12:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:12:42,958 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:12:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:12:42,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:42,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:42,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:42,959 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:42,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:12:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:43,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:12:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:43,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:12:43,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:13:00,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 22:13:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:13:00,077 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:13:00,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:13:00,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:00,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:00,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:00,079 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:00,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:13:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:00,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:00,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:13:00,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:17,488 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:13:17,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:13:17,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:13:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:13:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:13:17,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:17,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:17,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:17,500 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:17,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:13:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:17,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:17,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:13:17,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:13:35,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:13:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:13:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:13:35,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:13:35,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:35,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:35,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:35,269 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:35,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:13:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:35,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:35,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:13:35,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:13:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:13:51,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:13:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:13:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:13:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:13:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:13:51,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:13:51,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:13:51,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:13:51,412 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:13:51,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:13:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:51,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:13:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:13:51,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:13:51,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:14:09,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:14:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:14:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:14:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:14:09,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:09,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:09,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:09,644 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:09,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:14:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:10,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:10,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:14:10,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:14:26,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:14:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:14:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:14:26,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:14:26,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:26,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:26,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:26,738 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:26,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:14:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:27,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:27,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:14:27,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:14:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:14:44,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:14:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:14:44,614 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:14:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:14:44,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:44,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:44,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:44,615 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:44,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:14:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:44,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:14:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:14:45,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:14:45,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:15:04,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:15:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:15:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:15:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:15:04,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:04,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:04,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:04,230 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:04,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:15:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:04,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:04,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:15:04,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:15:24,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 22:15:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:15:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:15:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:15:24,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:24,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:24,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:24,494 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:24,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:15:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:24,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:24,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:15:24,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:15:43,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:15:43,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:15:43,759 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:15:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:15:43,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:43,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:43,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:43,760 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:43,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:15:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:44,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:44,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:15:44,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:16:01,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:16:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:16:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:16:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:16:01,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:01,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:01,460 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:01,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:16:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:01,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:01,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:16:01,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:16:18,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:16:18,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:18,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:16:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:16:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:16:18,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:18,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:18,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:18,478 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:18,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:16:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:18,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:18,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:16:18,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:16:34,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:16:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:16:34,737 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:16:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:16:34,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:34,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:34,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:34,739 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:34,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:16:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:35,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:35,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:16:35,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:16:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:16:53,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:16:53,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:16:53,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-12-02 22:16:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-12-02 22:16:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:16:53,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:16:53,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:16:53,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:16:53,251 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:16:53,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bca9548-bad7-4d20-b772-00bb57fb3b94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:16:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:53,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:16:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:16:53,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:16:53,762 INFO L285 TraceCheckSpWp]: Computing forward predicates...