./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b --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 4c99a7d37e4951c8ef9fe39502528fd8fe86fdb39a219c9a8916753f22b09b28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:27:54,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:27:54,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:27:54,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:27:54,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:27:54,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:27:54,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:27:54,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:27:54,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:27:54,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:27:54,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:27:54,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:27:54,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:27:54,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:27:54,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:27:54,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:27:54,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:27:54,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:27:54,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:27:54,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:27:54,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:27:54,470 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:27:54,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:27:54,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:27:54,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:27:54,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:27:54,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:27:54,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:54,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:27:54,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:27:54,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:27:54,471 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:27:54,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:27:54,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b 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 -> 4c99a7d37e4951c8ef9fe39502528fd8fe86fdb39a219c9a8916753f22b09b28 [2024-12-06 00:27:54,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:27:54,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:27:54,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:27:54,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:27:54,708 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:27:54,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i [2024-12-06 00:27:57,356 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data/d9588f7ae/0ad83704b6d04a66868d66f4bbd2e4ca/FLAG0fae8f7be [2024-12-06 00:27:57,544 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:27:57,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i [2024-12-06 00:27:57,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data/d9588f7ae/0ad83704b6d04a66868d66f4bbd2e4ca/FLAG0fae8f7be [2024-12-06 00:27:57,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data/d9588f7ae/0ad83704b6d04a66868d66f4bbd2e4ca [2024-12-06 00:27:57,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:27:57,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:27:57,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:57,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:27:57,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:27:57,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:57" (1/1) ... [2024-12-06 00:27:57,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c9d8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:57, skipping insertion in model container [2024-12-06 00:27:57,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:57" (1/1) ... [2024-12-06 00:27:57,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:27:58,058 WARN L250 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[1226,1239] [2024-12-06 00:27:58,084 WARN L250 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[2841,2854] [2024-12-06 00:27:58,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:58,093 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:27:58,104 WARN L250 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[1226,1239] [2024-12-06 00:27:58,114 WARN L250 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[2841,2854] [2024-12-06 00:27:58,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:58,129 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:27:58,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58 WrapperNode [2024-12-06 00:27:58,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:58,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:58,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:27:58,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:27:58,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,160 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 00:27:58,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:58,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:27:58,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:27:58,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:27:58,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:27:58,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:27:58,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:27:58,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:27:58,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:58,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:27:58,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:27:58,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:27:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:27:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 00:27:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 00:27:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 00:27:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 00:27:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:27:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:27:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:27:58,301 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:27:58,302 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:27:58,443 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 00:27:58,443 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:27:58,493 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:27:58,493 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:27:58,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:58 BoogieIcfgContainer [2024-12-06 00:27:58,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:27:58,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:27:58,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:27:58,504 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:27:58,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:58" (1/1) ... [2024-12-06 00:27:58,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:27:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 00:27:58,557 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 00:27:58,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:27:58,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:58,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:27:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:27:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 00:27:58,966 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 00:27:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:27:58,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:58,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:27:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:27:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:59,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:27:59,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:28:32,410 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 00:28:32,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 00:28:32,412 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:28:32,416 INFO L158 Benchmark]: Toolchain (without parser) took 34504.03ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 93.0MB in the beginning and 134.1MB in the end (delta: -41.1MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-12-06 00:28:32,416 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:32,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.62ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:28:32,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.41ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:28:32,417 INFO L158 Benchmark]: Boogie Preprocessor took 21.46ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:32,417 INFO L158 Benchmark]: RCFGBuilder took 310.76ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 61.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:28:32,418 INFO L158 Benchmark]: CodeCheck took 33920.11ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 61.4MB in the beginning and 134.1MB in the end (delta: -72.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-12-06 00:28:32,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.62ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.41ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.46ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.76ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 61.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 33920.11ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 61.4MB in the beginning and 134.1MB in the end (delta: -72.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b --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 4c99a7d37e4951c8ef9fe39502528fd8fe86fdb39a219c9a8916753f22b09b28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:28:34,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:28:34,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:28:34,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:28:34,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:28:34,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:28:34,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:28:34,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:28:34,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:28:34,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:28:34,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:28:34,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:28:34,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:28:34,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:28:34,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:28:34,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:28:34,176 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:28:34,176 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:28:34,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:28:34,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:28:34,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:28:34,176 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:28:34,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:28:34,176 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:28:34,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:28:34,177 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:28:34,177 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:34,177 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:28:34,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:28:34,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:28:34,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:28:34,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:28:34,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:28:34,178 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:28:34,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:34,178 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:28:34,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b 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 -> 4c99a7d37e4951c8ef9fe39502528fd8fe86fdb39a219c9a8916753f22b09b28 [2024-12-06 00:28:34,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:28:34,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:28:34,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:28:34,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:28:34,418 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:28:34,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_2_8.i [2024-12-06 00:28:37,091 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data/03f1670a6/8f47abe64fb144079fe03f4f59b5b0e6/FLAG67bad5b70 [2024-12-06 00:28:37,265 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:28:37,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i [2024-12-06 00:28:37,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data/03f1670a6/8f47abe64fb144079fe03f4f59b5b0e6/FLAG67bad5b70 [2024-12-06 00:28:37,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/data/03f1670a6/8f47abe64fb144079fe03f4f59b5b0e6 [2024-12-06 00:28:37,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:28:37,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:28:37,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:37,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:28:37,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:28:37,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e98ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37, skipping insertion in model container [2024-12-06 00:28:37,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:28:37,418 WARN L250 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[1226,1239] [2024-12-06 00:28:37,444 WARN L250 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[2841,2854] [2024-12-06 00:28:37,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:37,455 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:28:37,465 WARN L250 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[1226,1239] [2024-12-06 00:28:37,475 WARN L250 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_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/sv-benchmarks/c/combinations/gcd_3+newton_2_8.i[2841,2854] [2024-12-06 00:28:37,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:37,491 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:28:37,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37 WrapperNode [2024-12-06 00:28:37,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:37,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:37,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:28:37,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:28:37,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,522 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-12-06 00:28:37,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:37,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:28:37,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:28:37,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:28:37,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,539 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:28:37,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:28:37,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:28:37,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:28:37,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:37" (1/1) ... [2024-12-06 00:28:37,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:28:37,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:28:37,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:28:37,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:28:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:28:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:28:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 00:28:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 00:28:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 00:28:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 00:28:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:28:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:28:37,652 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:28:37,653 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:29:03,018 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 00:29:03,018 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:29:03,074 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:29:03,074 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:29:03,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:03 BoogieIcfgContainer [2024-12-06 00:29:03,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:29:03,075 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:29:03,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:29:03,082 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:29:03,082 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:03" (1/1) ... [2024-12-06 00:29:03,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:29:03,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 00:29:03,124 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 00:29:03,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:29:03,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:03,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:03,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:03,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:03,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:29:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:03,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:03,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:29:03,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:29:03,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:29:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-12-06 00:29:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-12-06 00:29:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:29:04,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:04,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:04,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:04,394 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:04,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:29:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:04,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:04,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:29:04,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:29:08,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:29:23,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.95s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:29:30,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:29:33,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:29:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-12-06 00:29:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-12-06 00:29:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:29:33,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:33,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:33,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:33,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:33,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:29:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:33,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:34,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:29:34,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:29:56,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:30:19,570 WARN L286 SmtUtils]: Spent 10.64s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:30:48,714 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:30:58,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:31:09,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:31:16,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.33s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:31:20,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:32:07,903 WARN L286 SmtUtils]: Spent 9.75s on a formula simplification. DAG size of input: 38 DAG size of output: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:32:08,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-12-06 00:32:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-06 00:32:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:32:08,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:08,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:08,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:08,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:08,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:32:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:08,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:08,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:32:08,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:32:14,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 00:32:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:24,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-12-06 00:32:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-06 00:32:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:32:24,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:24,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:24,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:24,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:24,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:32:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:25,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:25,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:32:25,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:32:30,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:32:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-12-06 00:32:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-06 00:32:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:32:40,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:40,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:40,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:40,948 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:40,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:32:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:41,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:41,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:32:41,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:32:47,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:32:57,894 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (not (= (_ bv0 32) .cse3)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))) (not (= (_ bv0 32) .cse4)))))))))) is different from false [2024-12-06 00:33:07,971 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (not (= (_ bv0 32) .cse3)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))) (not (= (_ bv0 32) .cse4))))))))))) is different from true [2024-12-06 00:33:07,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:07,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-12-06 00:33:07,973 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 00:33:07,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:33:07,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:07,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:07,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:07,975 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:07,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:33:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:08,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:08,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:33:08,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:33:14,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:33:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:14,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-12-06 00:33:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 00:33:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:33:14,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:14,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:14,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:14,502 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:14,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:33:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:14,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:15,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:33:15,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:21,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:33:21,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:33:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-12-06 00:33:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 00:33:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:33:21,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:21,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:21,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:21,199 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:21,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:33:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:21,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:21,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:33:21,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:27,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:33:27,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:33:27,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-12-06 00:33:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 00:33:27,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:33:27,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:27,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:27,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:27,905 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:27,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:33:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:28,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:28,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:33:28,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:33:35,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:33:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:35,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-12-06 00:33:35,378 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-12-06 00:33:35,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:33:35,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:35,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:35,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:35,380 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:35,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:33:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:35,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:36,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:33:36,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:33:41,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:33:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-12-06 00:33:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-12-06 00:33:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:33:41,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:41,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:41,880 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:41,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:33:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:42,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:42,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:33:42,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:33:48,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:33:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-12-06 00:33:48,938 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-12-06 00:33:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:33:48,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:48,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:48,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:48,940 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:48,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:33:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:49,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:50,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:33:50,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:33:55,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:33:55,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:55,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-12-06 00:33:55,806 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-12-06 00:33:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:33:55,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:55,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:55,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:55,808 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:55,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:33:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:56,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:56,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:33:56,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:34:02,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:34:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 00:34:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 00:34:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:34:02,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:02,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:02,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:02,607 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:02,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:34:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:02,905 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:03,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:34:03,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:34:09,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:34:09,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 00:34:09,573 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 00:34:09,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:34:09,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:09,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:09,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:09,575 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:09,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:34:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:09,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:10,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:34:10,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:38,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:34:38,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:34:50,342 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 72 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:35:15,837 WARN L286 SmtUtils]: Spent 11.93s on a formula simplification. DAG size of input: 73 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:35:33,369 WARN L286 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:35:35,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:35:45,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:35:56,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:35:58,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:36:10,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:36:20,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:36:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 00:36:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 00:36:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:36:20,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:20,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:20,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:20,576 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:20,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:36:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:20,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:21,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:36:21,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:36:28,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-12-06 00:36:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:28,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-12-06 00:36:28,179 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-12-06 00:36:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:36:28,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:28,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:28,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:28,181 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:28,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:36:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:28,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:29,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:36:29,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:36:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:36:57,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:36:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-12-06 00:36:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-12-06 00:36:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:36:57,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:57,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:36:57,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:36:57,756 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:36:57,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:36:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:58,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:36:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:58,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:36:58,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:05,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:37:05,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:37:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:37:05,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:05,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:05,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:05,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:05,956 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:05,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:37:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:06,245 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:06,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:37:06,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:13,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 00:37:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:37:13,529 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:37:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:13,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:13,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:13,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:13,531 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:13,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:37:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:13,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:14,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:37:14,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:20,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 00:37:20,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:37:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:37:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:20,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:20,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:20,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:20,598 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:20,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:37:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:20,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:21,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:37:21,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:27,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:37:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:28,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:37:28,056 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:37:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:28,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:28,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:28,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:28,058 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:28,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:37:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:28,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:29,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:37:29,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:36,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-12-06 00:37:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:37:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:37:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:36,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:36,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:36,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:36,500 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:36,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:37:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:36,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:37,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:37:37,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:43,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:37:43,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:37:43,532 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:37:43,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:43,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:43,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:43,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:43,534 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:43,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:37:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:43,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:44,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:37:44,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:50,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:50,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 00:37:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:37:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:37:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:50,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:50,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:50,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:50,404 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:50,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:37:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:50,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:51,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:37:51,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:37:56,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:37:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:37:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:37:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:37:56,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:56,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:56,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:56,872 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:56,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:37:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:57,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:57,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:37:57,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:03,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:38:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:38:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:38:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:38:03,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:03,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:03,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:03,666 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:03,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:38:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:03,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:04,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:38:04,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:10,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 00:38:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:10,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:38:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:38:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:38:10,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:10,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:10,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:10,370 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:10,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 00:38:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:10,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:11,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:38:11,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:16,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 00:38:17,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:38:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:38:17,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:38:17,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:17,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:17,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:17,036 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:17,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 00:38:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:17,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:17,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:38:17,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:24,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:24,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 00:38:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:38:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:38:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:38:24,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:24,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:24,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:24,187 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:24,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 00:38:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:24,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:25,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:38:25,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:31,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 00:38:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:38:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:38:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:38:31,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:31,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:31,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:31,805 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:31,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 00:38:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:32,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:32,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:38:32,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:37,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 00:38:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:38:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:38:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:38:38,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:38,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:38,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:38,025 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:38,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 00:38:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:38,320 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:38,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:38:38,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:44,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 00:38:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:38:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:38:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:38:45,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:45,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:45,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:45,082 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:45,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 00:38:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:45,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:46,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:38:46,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:52,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 00:38:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:38:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:38:52,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:38:52,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:52,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:52,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:52,829 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:52,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 00:38:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:53,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:53,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:38:53,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:38:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:58,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 00:38:58,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:38:58,866 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:38:58,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:38:58,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:58,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:58,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:38:58,868 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:38:58,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 00:38:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:59,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:38:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:59,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:38:59,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:05,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 00:39:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:39:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:39:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:39:05,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:05,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:05,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:05,255 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:05,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 00:39:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:05,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:06,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:39:06,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:12,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 00:39:12,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:39:12,153 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:39:12,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:39:12,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:12,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:12,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:12,155 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:12,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 00:39:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:12,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:13,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:39:13,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:18,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 00:39:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:39:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:39:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:39:18,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:18,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:18,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:18,959 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:18,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 00:39:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:19,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:20,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:39:20,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:25,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 00:39:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:39:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:39:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:39:25,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:25,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:25,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:25,559 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:25,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 00:39:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:25,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:26,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:39:26,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:32,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 00:39:32,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:39:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:39:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:39:32,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:32,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:32,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:32,377 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:32,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 00:39:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:32,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:33,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:39:33,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:39,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 00:39:39,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:39:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:39:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:39:39,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:39,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:39,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:39,129 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:39,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 00:39:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:39,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:39,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:39:39,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:45,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 00:39:45,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:39:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:39:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:39:45,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:45,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:45,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:45,557 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:45,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 00:39:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:45,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:46,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:39:46,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:52,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 00:39:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:39:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:39:52,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:39:52,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:52,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:52,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:52,445 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:52,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 00:39:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:52,766 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:53,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:39:53,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:58,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:58,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-12-06 00:39:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:39:58,806 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:39:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:39:58,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:58,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:58,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:58,808 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:58,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 00:39:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:59,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:59,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:39:59,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:40:29,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 00:40:29,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:29,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:40:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:40:29,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:40:29,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:29,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:29,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:29,109 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:29,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 00:40:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:29,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:29,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:40:29,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:40:36,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 00:40:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:40:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:40:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:40:36,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:36,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:36,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:36,908 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:36,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 00:40:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:37,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:37,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:40:37,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:40:44,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 00:40:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:40:44,777 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:40:44,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:40:44,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:44,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:44,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:44,779 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:44,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 00:40:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:45,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:45,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:40:45,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:40:53,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 00:40:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:40:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:40:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:40:53,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:53,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:53,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:53,350 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:53,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 00:40:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:53,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:40:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:54,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:40:54,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:41:01,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 00:41:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:41:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:41:02,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:41:02,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:02,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:02,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:02,028 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:02,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 00:41:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:02,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:02,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:41:02,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:41:12,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 00:41:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:41:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:41:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:41:12,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:12,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:12,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:12,290 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:12,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 00:41:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:12,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:13,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:41:13,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:41:22,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 00:41:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:41:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:41:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:41:22,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:22,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:22,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:22,222 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:22,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 00:41:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:22,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:23,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:41:23,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:41:30,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 00:41:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:31,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:41:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:41:31,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:41:31,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:31,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:31,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:31,030 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:31,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 00:41:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:31,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:32,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:41:32,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:41:38,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 00:41:38,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:41:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:41:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:41:38,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:38,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:38,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:38,658 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:38,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 00:41:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:38,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:39,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:41:39,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:46,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:41:46,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 00:41:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:46,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:41:46,782 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:41:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:41:46,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:46,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:46,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:46,784 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:46,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 00:41:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:47,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:47,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:41:47,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:41:55,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 00:41:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:41:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:41:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:41:55,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:55,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:55,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:55,908 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:55,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 00:41:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:56,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:56,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:41:56,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:02,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 00:42:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:42:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:42:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:42:02,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:02,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:02,759 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:02,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 00:42:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:03,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:03,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:42:03,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:12,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 00:42:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:42:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:42:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:42:12,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:12,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:12,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:12,590 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:12,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 00:42:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:13,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:13,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:42:13,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:20,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 00:42:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:20,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:42:20,670 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:42:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:42:20,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:20,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:20,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:20,673 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:20,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 00:42:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:21,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:22,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:42:22,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:58,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:58,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 00:42:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:42:58,981 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:42:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:42:58,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:58,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:58,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:58,984 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:58,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 00:42:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:59,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:01,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:43:01,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:09,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 00:43:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:09,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-12-06 00:43:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-12-06 00:43:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:43:09,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:09,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:09,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:09,565 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:09,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26f2d9d-32eb-4e55-a0fc-0eee47ed52ce/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 00:43:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:09,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:10,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:43:10,560 INFO L279 TraceCheckSpWp]: Computing forward predicates...