./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm --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 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:51:04,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:51:04,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:51:04,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:51:04,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:51:04,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:51:04,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:51:04,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:51:04,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:51:04,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:51:04,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:51:04,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:51:04,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:51:04,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:51:04,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:51:04,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:51:04,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:51:04,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:51:04,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:51:04,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:51:04,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:51:04,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:51:04,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:51:04,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:51:04,281 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:51:04,281 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:51:04,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:51:04,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:04,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:51:04,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:51:04,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:51:04,282 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:51:04,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:51:04,282 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_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm 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 -> 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c [2024-11-13 21:51:04,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:51:04,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:51:04,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:51:04,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:51:04,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:51:04,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c Unable to find full path for "g++" [2024-11-13 21:51:06,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:51:07,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:51:07,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-11-13 21:51:07,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/data/b95c824f4/9022a2968a3f43c2bfb661b6f672b5bf/FLAG77c3d62ac [2024-11-13 21:51:07,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/data/b95c824f4/9022a2968a3f43c2bfb661b6f672b5bf [2024-11-13 21:51:07,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:51:07,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:51:07,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:07,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:51:07,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:51:07,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533e41e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07, skipping insertion in model container [2024-11-13 21:51:07,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:51:07,700 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_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-13 21:51:07,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:07,723 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:51:07,735 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_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-13 21:51:07,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:07,753 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:51:07,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07 WrapperNode [2024-11-13 21:51:07,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:07,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:07,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:51:07,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:51:07,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,784 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-13 21:51:07,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:07,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:51:07,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:51:07,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:51:07,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:51:07,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:51:07,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:51:07,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:51:07,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:07" (1/1) ... [2024-11-13 21:51:07,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:07,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:51:07,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:51:07,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:51:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:51:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:51:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:51:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:51:07,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:51:07,955 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:51:08,108 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 21:51:08,108 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:51:08,180 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:51:08,180 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:51:08,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:08 BoogieIcfgContainer [2024-11-13 21:51:08,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:51:08,182 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:51:08,182 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:51:08,193 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:51:08,193 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:08" (1/1) ... [2024-11-13 21:51:08,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:51:08,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:08,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:51:08,266 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:51:08,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:51:08,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:08,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 21:51:08,413 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 21:51:08,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:51:08,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:08,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 21:51:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 21:51:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:51:08,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:08,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:51:09,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:51:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:51:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:51:09,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:51:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:51:09,095 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 21:51:09,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:51:09 ImpRootNode [2024-11-13 21:51:09,118 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:51:09,118 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:51:09,118 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:51:09,119 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:51:09,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:08" (3/4) ... [2024-11-13 21:51:09,124 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:51:09,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:51:09,126 INFO L158 Benchmark]: Toolchain (without parser) took 1591.02ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 88.0MB in the end (delta: 5.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-13 21:51:09,126 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:09,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.92ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:51:09,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.01ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:09,131 INFO L158 Benchmark]: Boogie Preprocessor took 20.10ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.7MB in the end (delta: 606.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:09,132 INFO L158 Benchmark]: RCFGBuilder took 375.19ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.5MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:51:09,133 INFO L158 Benchmark]: CodeCheck took 936.14ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 88.0MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:09,133 INFO L158 Benchmark]: Witness Printer took 6.34ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 88.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:09,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 16 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 14]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L19] unsigned int x = 5; VAL [x=5] [L20] COND TRUE __VERIFIER_nondet_int() [L21] x += 8 VAL [x=13] [L20] COND FALSE !(__VERIFIER_nondet_int()) [L23] EXPR x & 5 [L23] CALL __VERIFIER_assert((x & 5) == 5) [L13] COND TRUE !(cond) [L14] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.92ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.01ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.10ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.7MB in the end (delta: 606.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.19ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.5MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 936.14ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 88.0MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.34ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 88.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:51:09,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm --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 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:51:11,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:51:12,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:51:12,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:51:12,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:51:12,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:51:12,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:51:12,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:51:12,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:51:12,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:51:12,109 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:51:12,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:51:12,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:51:12,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:51:12,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:51:12,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:51:12,111 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:51:12,111 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:51:12,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:51:12,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:51:12,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:51:12,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:51:12,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:51:12,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:51:12,112 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:51:12,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:51:12,112 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:12,112 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:51:12,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:51:12,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:12,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:51:12,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:51:12,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:51:12,113 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:51:12,113 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:12,113 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:51:12,113 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_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm 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 -> 0bfc420caf514ea414f953298982e07543f1888205e2b6533af51ab5738bd69c [2024-11-13 21:51:12,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:51:12,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:51:12,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:51:12,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:51:12,444 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:51:12,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c Unable to find full path for "g++" [2024-11-13 21:51:14,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:51:14,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:51:14,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-11-13 21:51:14,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/data/a6ae7cd29/d2c636c8a79f4f758646b6cdd75b6cbe/FLAGa717d5fc0 [2024-11-13 21:51:15,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/data/a6ae7cd29/d2c636c8a79f4f758646b6cdd75b6cbe [2024-11-13 21:51:15,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:51:15,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:51:15,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:15,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:51:15,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:51:15,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3468946a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15, skipping insertion in model container [2024-11-13 21:51:15,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:51:15,280 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_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-13 21:51:15,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:15,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:51:15,331 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_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[588,601] [2024-11-13 21:51:15,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:15,358 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:51:15,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15 WrapperNode [2024-11-13 21:51:15,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:15,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:15,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:51:15,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:51:15,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,398 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-13 21:51:15,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:15,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:51:15,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:51:15,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:51:15,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:51:15,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:51:15,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:51:15,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:51:15,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:15,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:51:15,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:51:15,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:51:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:51:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:51:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:51:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:51:15,618 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:51:15,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:51:15,761 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:51:15,762 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:51:15,795 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:51:15,795 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:51:15,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:15 BoogieIcfgContainer [2024-11-13 21:51:15,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:51:15,797 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:51:15,797 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:51:15,808 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:51:15,809 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:15" (1/1) ... [2024-11-13 21:51:15,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:51:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:15,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:51:15,875 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:51:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:51:15,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:15,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:15,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:15,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:15,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:51:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:15,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:15,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:51:15,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:16,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:51:16,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 21:51:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 21:51:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:51:16,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:16,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:16,053 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:16,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:51:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:16,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:51:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 21:51:16,315 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 21:51:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:51:16,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:16,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:16,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:16,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:51:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:16,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:51:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-13 21:51:16,609 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-13 21:51:16,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:51:16,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:16,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:16,616 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:16,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:51:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:16,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:51:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 21:51:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 21:51:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:51:16,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:16,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:16,888 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:16,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:51:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:17,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:17,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-13 21:51:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 21:51:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:51:17,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:17,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:17,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:17,195 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:17,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:51:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:51:17,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:17,348 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:17,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:17,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-13 21:51:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-13 21:51:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:51:17,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:17,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:17,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:17,493 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:17,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:51:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:51:17,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:17,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:51:17,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:17,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 21:51:17,867 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 21:51:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:51:17,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:17,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:17,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:17,872 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:17,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:51:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:51:17,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:18,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:51:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:18,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-13 21:51:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-13 21:51:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:51:18,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:18,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:18,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:18,238 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:18,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:51:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:18,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:18,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:51:18,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:18,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:51:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-13 21:51:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-13 21:51:18,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:51:18,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:18,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:18,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:18,646 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:18,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:51:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:18,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:18,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:51:18,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:18,904 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:51:18,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2024-11-13 21:51:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-13 21:51:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:51:19,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:19,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:19,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:19,127 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:19,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:51:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:19,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:19,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:19,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:19,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:51:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2024-11-13 21:51:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2024-11-13 21:51:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:51:19,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:19,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:19,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:19,627 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:19,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:51:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:19,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:19,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:51:19,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:19,867 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:19,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:51:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2024-11-13 21:51:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2024-11-13 21:51:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:51:20,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:20,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:20,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:20,133 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:20,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:51:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:20,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:20,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:51:20,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:20,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 21:51:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:20,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2024-11-13 21:51:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-13 21:51:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:51:20,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:20,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:20,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:20,662 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:20,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:51:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:20,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:20,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:51:20,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:20,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-11-13 21:51:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-13 21:51:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:51:21,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:21,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:21,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:21,272 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:21,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:51:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:21,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:21,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:51:21,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:21,544 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:51:21,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:51:21,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2024-11-13 21:51:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2024-11-13 21:51:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:51:21,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:21,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:21,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:21,870 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:21,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:51:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:21,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:21,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:51:21,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:22,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:51:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2024-11-13 21:51:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2024-11-13 21:51:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:51:22,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:22,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:22,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:22,460 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:22,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:51:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:22,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:22,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:51:22,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:22,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2024-11-13 21:51:23,125 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2024-11-13 21:51:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:51:23,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:23,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:23,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:23,133 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:23,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:51:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:23,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:23,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:51:23,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:23,429 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:51:23,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2024-11-13 21:51:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2024-11-13 21:51:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:51:23,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:23,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:23,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:23,770 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:23,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:51:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:23,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:23,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:51:23,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:24,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:51:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2024-11-13 21:51:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2024-11-13 21:51:24,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:51:24,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:24,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:24,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:24,423 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:24,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:51:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:24,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:24,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:51:24,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:24,708 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:24,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:25,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2024-11-13 21:51:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2024-11-13 21:51:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:51:25,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:25,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:25,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:25,128 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:25,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:51:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:25,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:25,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:51:25,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:25,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:51:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2024-11-13 21:51:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-11-13 21:51:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:51:25,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:25,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:25,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:25,819 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:25,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:51:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:25,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:25,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:51:25,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:26,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 21:51:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2024-11-13 21:51:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2024-11-13 21:51:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:51:26,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:26,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:26,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:26,566 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:26,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:51:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:26,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:26,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 21:51:26,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:26,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:51:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-11-13 21:51:27,336 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-11-13 21:51:27,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 21:51:27,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:27,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:27,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:27,339 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:27,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:51:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:27,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:27,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:51:27,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:27,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 21:51:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 79 states and 104 transitions. [2024-11-13 21:51:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2024-11-13 21:51:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:51:28,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:28,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:28,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:28,159 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:28,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:51:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:28,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:28,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:51:28,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:28,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 21:51:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2024-11-13 21:51:29,049 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2024-11-13 21:51:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:51:29,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:29,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:29,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:29,054 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:29,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:51:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:29,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:29,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:51:29,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:29,453 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:29,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:30,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2024-11-13 21:51:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2024-11-13 21:51:30,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:51:30,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:30,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:30,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:30,107 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:30,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:51:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:30,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:30,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 21:51:30,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:30,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:51:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2024-11-13 21:51:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2024-11-13 21:51:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 21:51:31,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:31,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:31,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:31,072 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:31,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:51:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:31,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:31,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:51:31,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:31,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:51:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 91 states and 120 transitions. [2024-11-13 21:51:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 120 transitions. [2024-11-13 21:51:32,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 21:51:32,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:32,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:32,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:32,044 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:32,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:51:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:32,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:32,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:51:32,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:32,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 21:51:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2024-11-13 21:51:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2024-11-13 21:51:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 21:51:33,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:33,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:33,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:33,103 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:33,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:51:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:33,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:33,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:51:33,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:33,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 21:51:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2024-11-13 21:51:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2024-11-13 21:51:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 21:51:34,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:34,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:34,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:34,223 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:34,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:51:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:34,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:34,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 21:51:34,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:34,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:51:35,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 132 transitions. [2024-11-13 21:51:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 132 transitions. [2024-11-13 21:51:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 21:51:35,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:35,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:35,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:35,332 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:35,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:51:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:35,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:35,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:51:35,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:35,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:51:36,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 103 states and 136 transitions. [2024-11-13 21:51:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2024-11-13 21:51:36,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 21:51:36,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:36,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:36,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:36,415 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:36,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 21:51:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:36,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:36,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 21:51:36,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:36,895 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:36,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 21:51:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 106 states and 140 transitions. [2024-11-13 21:51:37,818 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2024-11-13 21:51:37,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 21:51:37,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:37,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:37,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:37,827 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:37,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 21:51:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:37,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:38,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 21:51:38,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:38,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 144 transitions. [2024-11-13 21:51:39,516 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2024-11-13 21:51:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 21:51:39,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:39,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:39,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:39,519 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:39,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 21:51:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:39,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:39,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:51:39,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:40,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 21:51:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:41,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 112 states and 148 transitions. [2024-11-13 21:51:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2024-11-13 21:51:41,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 21:51:41,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:41,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:41,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:41,029 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:41,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 21:51:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:41,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:41,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 21:51:41,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:41,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 21:51:42,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:42,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 115 states and 152 transitions. [2024-11-13 21:51:42,324 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2024-11-13 21:51:42,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 21:51:42,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:42,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:42,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:42,326 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:42,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 21:51:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:42,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:42,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:51:42,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:42,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 21:51:43,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:43,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2024-11-13 21:51:43,663 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2024-11-13 21:51:43,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 21:51:43,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:43,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:43,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:43,669 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:43,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 21:51:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:43,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:43,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 21:51:43,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:44,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 21:51:45,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 121 states and 160 transitions. [2024-11-13 21:51:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 160 transitions. [2024-11-13 21:51:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 21:51:45,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:45,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:45,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:45,071 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:45,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 21:51:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:45,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:45,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 21:51:45,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:45,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 21:51:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 124 states and 164 transitions. [2024-11-13 21:51:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 164 transitions. [2024-11-13 21:51:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 21:51:46,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:46,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:46,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:46,476 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:46,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 21:51:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:46,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:46,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:51:46,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:47,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:47,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 127 states and 168 transitions. [2024-11-13 21:51:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 168 transitions. [2024-11-13 21:51:47,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 21:51:47,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:47,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:47,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:47,996 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:47,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 21:51:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:48,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:48,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 21:51:48,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:48,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 21:51:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 130 states and 172 transitions. [2024-11-13 21:51:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 172 transitions. [2024-11-13 21:51:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 21:51:49,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:49,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:49,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:49,515 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:49,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 21:51:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:49,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:49,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:51:49,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:50,152 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:51:50,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 21:51:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 133 states and 176 transitions. [2024-11-13 21:51:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 176 transitions. [2024-11-13 21:51:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 21:51:51,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:51,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:51,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:51,225 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:51,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 21:51:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:51,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:51,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 21:51:51,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:51,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 21:51:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 136 states and 180 transitions. [2024-11-13 21:51:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 180 transitions. [2024-11-13 21:51:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 21:51:52,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:52,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:52,827 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:52,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 21:51:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:52,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:53,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 21:51:53,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:53,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 21:51:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:54,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 139 states and 184 transitions. [2024-11-13 21:51:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 184 transitions. [2024-11-13 21:51:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 21:51:54,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:54,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:54,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:54,594 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:54,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 21:51:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:54,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:54,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 21:51:54,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:55,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 142 states and 188 transitions. [2024-11-13 21:51:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 188 transitions. [2024-11-13 21:51:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 21:51:56,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:56,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:56,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:56,457 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:56,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 21:51:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:56,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:56,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 21:51:56,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:57,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-13 21:51:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 145 states and 192 transitions. [2024-11-13 21:51:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2024-11-13 21:51:58,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 21:51:58,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:58,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:58,322 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:58,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 21:51:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:58,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:51:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:58,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 21:51:58,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:58,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 21:52:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 148 states and 196 transitions. [2024-11-13 21:52:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2024-11-13 21:52:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 21:52:00,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:00,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:00,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:00,198 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:00,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 21:52:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:00,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:00,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 21:52:00,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:00,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 21:52:02,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 151 states and 200 transitions. [2024-11-13 21:52:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 200 transitions. [2024-11-13 21:52:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 21:52:02,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:02,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:02,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:02,078 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:02,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 21:52:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:02,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:02,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 21:52:02,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:02,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 21:52:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:04,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 154 states and 204 transitions. [2024-11-13 21:52:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 204 transitions. [2024-11-13 21:52:04,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 21:52:04,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:04,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:04,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:04,045 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:04,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 21:52:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:04,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:04,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 21:52:04,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:04,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:04,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 21:52:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 157 states and 208 transitions. [2024-11-13 21:52:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 208 transitions. [2024-11-13 21:52:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 21:52:06,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:06,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:06,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:06,042 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:06,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 21:52:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:06,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:06,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-13 21:52:06,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:06,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-13 21:52:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 160 states and 212 transitions. [2024-11-13 21:52:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2024-11-13 21:52:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 21:52:08,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:08,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:08,276 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:08,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 21:52:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:08,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:08,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 21:52:08,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:08,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 21:52:10,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 163 states and 216 transitions. [2024-11-13 21:52:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 216 transitions. [2024-11-13 21:52:10,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 21:52:10,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:10,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:10,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:10,671 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:10,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 21:52:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:10,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:10,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 21:52:10,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:11,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 21:52:12,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 220 transitions. [2024-11-13 21:52:12,879 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2024-11-13 21:52:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-13 21:52:12,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:12,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:12,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:12,881 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:12,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 21:52:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:13,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:13,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-13 21:52:13,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:13,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 21:52:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:15,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 169 states and 224 transitions. [2024-11-13 21:52:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 224 transitions. [2024-11-13 21:52:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-13 21:52:15,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:15,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:15,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:15,148 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:15,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 21:52:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:15,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:15,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 21:52:15,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:15,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 21:52:17,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 172 states and 228 transitions. [2024-11-13 21:52:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 228 transitions. [2024-11-13 21:52:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 21:52:17,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:17,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:17,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:17,501 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:17,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 21:52:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:17,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:17,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-13 21:52:17,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:18,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:18,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 21:52:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 175 states and 232 transitions. [2024-11-13 21:52:20,017 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-13 21:52:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 21:52:20,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:20,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:20,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:20,021 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:20,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 21:52:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:20,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:20,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-13 21:52:20,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:20,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:20,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 21:52:22,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:22,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 178 states and 236 transitions. [2024-11-13 21:52:22,575 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2024-11-13 21:52:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 21:52:22,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:22,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:22,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:22,578 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:22,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 21:52:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:22,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:22,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-13 21:52:22,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:23,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-13 21:52:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 181 states and 240 transitions. [2024-11-13 21:52:25,560 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2024-11-13 21:52:25,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 21:52:25,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:25,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:25,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:25,565 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:25,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 21:52:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:25,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:25,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-13 21:52:25,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:26,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 21:52:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:28,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 184 states and 244 transitions. [2024-11-13 21:52:28,119 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 244 transitions. [2024-11-13 21:52:28,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 21:52:28,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:28,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:28,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:28,123 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:28,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 21:52:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:28,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:28,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-13 21:52:28,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:28,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-13 21:52:30,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 187 states and 248 transitions. [2024-11-13 21:52:30,851 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 248 transitions. [2024-11-13 21:52:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 21:52:30,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:30,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:30,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:30,853 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:30,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 21:52:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:31,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:31,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 21:52:31,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:31,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-13 21:52:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 190 states and 252 transitions. [2024-11-13 21:52:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2024-11-13 21:52:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-13 21:52:33,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:33,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:33,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:33,583 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:33,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 21:52:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:33,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:33,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 21:52:33,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:34,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-13 21:52:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 193 states and 256 transitions. [2024-11-13 21:52:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 256 transitions. [2024-11-13 21:52:36,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-13 21:52:36,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:36,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:36,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:36,363 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:36,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 21:52:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:36,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:36,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-13 21:52:36,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:37,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 21:52:39,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 196 states and 260 transitions. [2024-11-13 21:52:39,299 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 260 transitions. [2024-11-13 21:52:39,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 21:52:39,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:39,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:39,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:39,302 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:39,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 21:52:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:39,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:39,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-13 21:52:39,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:40,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-13 21:52:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 199 states and 264 transitions. [2024-11-13 21:52:42,462 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 264 transitions. [2024-11-13 21:52:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 21:52:42,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:42,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:42,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:42,469 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:42,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 21:52:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:42,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:42,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-13 21:52:42,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:43,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-13 21:52:45,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:45,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 202 states and 268 transitions. [2024-11-13 21:52:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2024-11-13 21:52:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-13 21:52:45,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:45,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:45,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:45,457 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:45,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 21:52:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:45,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:45,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-13 21:52:45,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:46,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-13 21:52:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 205 states and 272 transitions. [2024-11-13 21:52:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 272 transitions. [2024-11-13 21:52:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-13 21:52:48,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:48,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:48,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:48,749 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:48,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 21:52:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:48,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:49,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-13 21:52:49,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:49,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-13 21:52:52,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 208 states and 276 transitions. [2024-11-13 21:52:52,042 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 276 transitions. [2024-11-13 21:52:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-13 21:52:52,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:52,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:52,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:52,047 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:52,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 21:52:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:52,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:52,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-13 21:52:52,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:52,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-13 21:52:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 211 states and 280 transitions. [2024-11-13 21:52:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 280 transitions. [2024-11-13 21:52:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 21:52:55,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:55,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:55,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:55,362 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:55,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 21:52:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:55,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:55,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-13 21:52:55,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:56,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-13 21:52:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 214 states and 284 transitions. [2024-11-13 21:52:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 284 transitions. [2024-11-13 21:52:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 21:52:58,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:58,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:58,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:52:58,734 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:52:58,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 21:52:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:58,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:52:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:59,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-13 21:52:59,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:59,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:59,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-13 21:53:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 217 states and 288 transitions. [2024-11-13 21:53:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2024-11-13 21:53:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 21:53:02,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:02,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:02,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:02,345 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:02,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 21:53:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:02,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:02,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-13 21:53:02,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:03,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-13 21:53:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 220 states and 292 transitions. [2024-11-13 21:53:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 292 transitions. [2024-11-13 21:53:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-13 21:53:05,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:05,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:05,925 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:05,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 21:53:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:06,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:06,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-13 21:53:06,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:06,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:06,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 223 states and 296 transitions. [2024-11-13 21:53:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 296 transitions. [2024-11-13 21:53:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 21:53:09,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:09,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:09,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:09,554 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:09,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 21:53:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:09,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:09,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-13 21:53:09,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:10,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-13 21:53:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 226 states and 300 transitions. [2024-11-13 21:53:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 300 transitions. [2024-11-13 21:53:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 21:53:13,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:13,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:13,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:13,444 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:13,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 21:53:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:13,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:13,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-13 21:53:13,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:14,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-13 21:53:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 229 states and 304 transitions. [2024-11-13 21:53:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 304 transitions. [2024-11-13 21:53:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-13 21:53:17,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:17,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:17,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:17,199 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:17,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 21:53:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:17,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:17,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-13 21:53:17,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:18,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 232 states and 308 transitions. [2024-11-13 21:53:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 308 transitions. [2024-11-13 21:53:21,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-13 21:53:21,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:21,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:21,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:21,070 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:21,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 21:53:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:21,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:21,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-13 21:53:21,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:22,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-13 21:53:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 235 states and 312 transitions. [2024-11-13 21:53:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 312 transitions. [2024-11-13 21:53:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-13 21:53:25,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:25,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:25,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:25,370 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:25,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 21:53:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:25,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:25,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-13 21:53:25,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:26,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:30,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 238 states and 316 transitions. [2024-11-13 21:53:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 316 transitions. [2024-11-13 21:53:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 21:53:30,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:30,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:30,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:30,488 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:30,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 21:53:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:30,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:30,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-13 21:53:30,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:31,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 241 states and 320 transitions. [2024-11-13 21:53:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 320 transitions. [2024-11-13 21:53:35,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 21:53:35,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:35,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:35,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:35,552 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:35,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 21:53:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:35,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:35,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-13 21:53:35,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:36,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:40,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 244 states and 324 transitions. [2024-11-13 21:53:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 324 transitions. [2024-11-13 21:53:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 21:53:40,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:40,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:40,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:40,620 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:40,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 21:53:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:40,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:40,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-13 21:53:40,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:41,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 247 states and 328 transitions. [2024-11-13 21:53:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 328 transitions. [2024-11-13 21:53:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 21:53:44,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:44,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:44,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:44,894 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:44,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 21:53:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:45,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:45,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-13 21:53:45,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:45,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-13 21:53:49,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 250 states and 332 transitions. [2024-11-13 21:53:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 332 transitions. [2024-11-13 21:53:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 21:53:49,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:49,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:49,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:49,172 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:49,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 21:53:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:49,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:49,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-13 21:53:49,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:50,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-13 21:53:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:53,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 253 states and 336 transitions. [2024-11-13 21:53:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 336 transitions. [2024-11-13 21:53:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-13 21:53:53,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:53,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:53,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:53,806 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:53,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 21:53:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:54,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:54,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-13 21:53:54,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:55,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-13 21:53:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 256 states and 340 transitions. [2024-11-13 21:53:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 340 transitions. [2024-11-13 21:53:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-13 21:53:58,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:58,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:58,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:58,303 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:58,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 21:53:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:58,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:58,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-13 21:53:58,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:59,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-13 21:54:03,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 259 states and 344 transitions. [2024-11-13 21:54:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 344 transitions. [2024-11-13 21:54:03,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-13 21:54:03,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:03,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:03,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:03,090 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:03,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 21:54:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:03,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:03,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-13 21:54:03,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:04,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-13 21:54:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 262 states and 348 transitions. [2024-11-13 21:54:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 348 transitions. [2024-11-13 21:54:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 21:54:07,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:07,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:07,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:07,801 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:07,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 21:54:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:08,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:08,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-13 21:54:08,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:09,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-13 21:54:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 265 states and 352 transitions. [2024-11-13 21:54:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 352 transitions. [2024-11-13 21:54:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-13 21:54:12,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:12,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:12,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:12,665 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:12,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 21:54:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:12,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:12,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-13 21:54:12,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:13,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 268 states and 356 transitions. [2024-11-13 21:54:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 356 transitions. [2024-11-13 21:54:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 21:54:17,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:17,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:17,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:17,400 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:17,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-13 21:54:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:17,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:17,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-13 21:54:17,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:18,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-13 21:54:22,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:22,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 271 states and 360 transitions. [2024-11-13 21:54:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 360 transitions. [2024-11-13 21:54:22,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 21:54:22,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:22,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:22,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:22,894 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:22,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-13 21:54:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:23,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:23,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-13 21:54:23,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:24,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:27,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:27,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 274 states and 364 transitions. [2024-11-13 21:54:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 364 transitions. [2024-11-13 21:54:27,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-13 21:54:27,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:27,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:27,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:27,909 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:27,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-13 21:54:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:28,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:28,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-13 21:54:28,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:29,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-13 21:54:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 277 states and 368 transitions. [2024-11-13 21:54:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 368 transitions. [2024-11-13 21:54:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-13 21:54:33,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:33,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:33,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:33,482 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:33,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-13 21:54:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:33,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:33,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-13 21:54:33,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:34,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 280 states and 372 transitions. [2024-11-13 21:54:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 372 transitions. [2024-11-13 21:54:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-13 21:54:39,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:39,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:39,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:39,807 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:39,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-13 21:54:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:40,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:40,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-13 21:54:40,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:41,248 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:41,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-13 21:54:45,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:45,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 283 states and 376 transitions. [2024-11-13 21:54:45,433 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 376 transitions. [2024-11-13 21:54:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-13 21:54:45,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:45,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:45,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:45,435 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:45,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-13 21:54:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:45,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:45,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-13 21:54:45,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:46,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-13 21:54:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 286 states and 380 transitions. [2024-11-13 21:54:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 380 transitions. [2024-11-13 21:54:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 21:54:51,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:51,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:51,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:51,011 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:51,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-13 21:54:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:51,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:51,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-13 21:54:51,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:52,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-13 21:54:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 289 states and 384 transitions. [2024-11-13 21:54:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 384 transitions. [2024-11-13 21:54:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-13 21:54:57,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:57,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:57,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:57,417 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:57,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-13 21:54:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:57,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:57,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-13 21:54:57,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:58,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-13 21:55:03,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 292 states and 388 transitions. [2024-11-13 21:55:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 388 transitions. [2024-11-13 21:55:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-13 21:55:03,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:03,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:03,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:03,183 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:03,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-13 21:55:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:03,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:03,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-13 21:55:03,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:04,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-13 21:55:09,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:09,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 295 states and 392 transitions. [2024-11-13 21:55:09,392 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 392 transitions. [2024-11-13 21:55:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-13 21:55:09,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:09,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:09,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:09,394 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:09,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-13 21:55:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:09,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:09,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-13 21:55:09,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:10,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-13 21:55:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 298 states and 396 transitions. [2024-11-13 21:55:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 396 transitions. [2024-11-13 21:55:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-13 21:55:16,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:16,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:16,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:16,646 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:16,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-13 21:55:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:17,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:17,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-13 21:55:17,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:18,436 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:18,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-13 21:55:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:24,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 301 states and 400 transitions. [2024-11-13 21:55:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 400 transitions. [2024-11-13 21:55:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-13 21:55:24,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:24,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:24,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:24,104 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:24,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-13 21:55:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:24,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:24,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-13 21:55:24,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:25,549 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:25,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-13 21:55:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 304 states and 404 transitions. [2024-11-13 21:55:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 404 transitions. [2024-11-13 21:55:30,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-13 21:55:30,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:30,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:30,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:30,394 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:30,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-13 21:55:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:30,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:30,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-13 21:55:30,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:31,839 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:31,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 307 states and 408 transitions. [2024-11-13 21:55:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 408 transitions. [2024-11-13 21:55:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-13 21:55:36,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:36,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:36,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:36,749 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:36,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-13 21:55:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:37,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:37,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-13 21:55:37,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:38,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-13 21:55:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 310 states and 412 transitions. [2024-11-13 21:55:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 412 transitions. [2024-11-13 21:55:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-13 21:55:43,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:43,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:43,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:43,553 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:43,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-13 21:55:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:43,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:43,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-13 21:55:43,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:44,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-13 21:55:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 313 states and 416 transitions. [2024-11-13 21:55:49,644 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2024-11-13 21:55:49,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-13 21:55:49,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:49,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:49,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:49,649 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:49,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-13 21:55:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:49,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:50,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-11-13 21:55:50,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:51,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-13 21:55:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 316 states and 420 transitions. [2024-11-13 21:55:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 420 transitions. [2024-11-13 21:55:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-13 21:55:56,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:56,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:56,276 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:56,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-13 21:55:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:56,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:56,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-13 21:55:56,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:57,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-13 21:56:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 319 states and 424 transitions. [2024-11-13 21:56:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 424 transitions. [2024-11-13 21:56:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-13 21:56:02,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:02,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:02,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:02,594 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:02,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-13 21:56:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:02,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:02,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-11-13 21:56:02,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:04,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 322 states and 428 transitions. [2024-11-13 21:56:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 428 transitions. [2024-11-13 21:56:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-13 21:56:09,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:09,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:09,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:09,947 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:09,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-13 21:56:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:10,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:10,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-11-13 21:56:10,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:11,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-13 21:56:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 325 states and 432 transitions. [2024-11-13 21:56:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 432 transitions. [2024-11-13 21:56:17,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-13 21:56:17,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:17,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:17,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:17,513 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:17,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-13 21:56:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:17,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:17,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-13 21:56:17,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:18,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-13 21:56:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 328 states and 436 transitions. [2024-11-13 21:56:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 436 transitions. [2024-11-13 21:56:24,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-13 21:56:24,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:24,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:24,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:24,199 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:24,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-13 21:56:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:24,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:24,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-11-13 21:56:24,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:25,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 331 states and 440 transitions. [2024-11-13 21:56:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 440 transitions. [2024-11-13 21:56:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-13 21:56:31,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:31,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:31,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:31,029 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:31,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-13 21:56:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:31,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:31,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-13 21:56:31,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:32,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-13 21:56:37,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 334 states and 444 transitions. [2024-11-13 21:56:37,741 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 444 transitions. [2024-11-13 21:56:37,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-13 21:56:37,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:37,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:37,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:37,743 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:37,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-13 21:56:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:38,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:38,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-11-13 21:56:38,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:39,647 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:39,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-13 21:56:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:45,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 337 states and 448 transitions. [2024-11-13 21:56:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2024-11-13 21:56:45,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-13 21:56:45,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:45,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:45,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:45,363 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:45,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-13 21:56:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:45,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:45,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-11-13 21:56:45,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:46,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-13 21:56:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 340 states and 452 transitions. [2024-11-13 21:56:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 452 transitions. [2024-11-13 21:56:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-13 21:56:52,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:52,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:52,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:52,682 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:52,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-13 21:56:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:53,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:53,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-13 21:56:53,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:54,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-13 21:57:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:00,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 343 states and 456 transitions. [2024-11-13 21:57:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 456 transitions. [2024-11-13 21:57:00,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-13 21:57:00,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:00,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:00,262 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:00,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-13 21:57:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:00,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:00,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-13 21:57:00,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:02,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-13 21:57:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 346 states and 460 transitions. [2024-11-13 21:57:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 460 transitions. [2024-11-13 21:57:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-13 21:57:08,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:08,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:08,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:08,220 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:08,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-13 21:57:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:08,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:08,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 116 conjuncts are in the unsatisfiable core [2024-11-13 21:57:08,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:10,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-13 21:57:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 349 states and 464 transitions. [2024-11-13 21:57:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 464 transitions. [2024-11-13 21:57:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-13 21:57:16,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:16,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:16,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:16,994 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:16,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-13 21:57:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:17,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:17,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-11-13 21:57:17,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:18,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:18,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-13 21:57:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:25,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 352 states and 468 transitions. [2024-11-13 21:57:25,885 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 468 transitions. [2024-11-13 21:57:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-11-13 21:57:25,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:25,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:25,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:25,888 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:25,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-13 21:57:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:26,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:26,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-11-13 21:57:26,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:28,277 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:28,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:36,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 355 states and 472 transitions. [2024-11-13 21:57:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 472 transitions. [2024-11-13 21:57:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-13 21:57:36,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:36,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:36,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:36,013 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:36,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-13 21:57:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:36,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:36,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-13 21:57:36,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:38,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-13 21:57:45,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 358 states and 476 transitions. [2024-11-13 21:57:45,558 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 476 transitions. [2024-11-13 21:57:45,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-13 21:57:45,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:45,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:45,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:45,561 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:45,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-13 21:57:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:45,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:46,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 120 conjuncts are in the unsatisfiable core [2024-11-13 21:57:46,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:47,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-13 21:57:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 361 states and 480 transitions. [2024-11-13 21:57:55,382 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 480 transitions. [2024-11-13 21:57:55,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-13 21:57:55,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:55,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:55,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:55,385 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:55,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-13 21:57:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:55,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:55,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 121 conjuncts are in the unsatisfiable core [2024-11-13 21:57:55,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:57,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-13 21:58:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 364 states and 484 transitions. [2024-11-13 21:58:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 484 transitions. [2024-11-13 21:58:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-13 21:58:05,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:05,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:05,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:05,533 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:05,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-13 21:58:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:05,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:06,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-11-13 21:58:06,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:07,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-13 21:58:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 367 states and 488 transitions. [2024-11-13 21:58:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 488 transitions. [2024-11-13 21:58:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-13 21:58:16,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:16,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:16,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:16,379 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:16,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-13 21:58:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:16,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:16,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-11-13 21:58:16,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:18,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-13 21:58:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 370 states and 492 transitions. [2024-11-13 21:58:25,844 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 492 transitions. [2024-11-13 21:58:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-13 21:58:25,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:25,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:25,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:25,846 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:25,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-13 21:58:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:26,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:26,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-11-13 21:58:26,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:28,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-13 21:58:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 373 states and 496 transitions. [2024-11-13 21:58:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 496 transitions. [2024-11-13 21:58:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-13 21:58:35,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:35,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:35,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:35,447 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:35,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-13 21:58:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:35,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:36,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-13 21:58:36,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:38,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-13 21:58:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:46,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 376 states and 500 transitions. [2024-11-13 21:58:46,658 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 500 transitions. [2024-11-13 21:58:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-13 21:58:46,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:46,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:46,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:46,663 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:46,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-13 21:58:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:47,131 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:47,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-13 21:58:47,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:49,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-13 21:58:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 379 states and 504 transitions. [2024-11-13 21:58:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 504 transitions. [2024-11-13 21:58:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-13 21:58:58,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:58,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:58,282 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:58,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-13 21:58:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:58,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:58,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-11-13 21:58:58,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:00,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:10,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 382 states and 508 transitions. [2024-11-13 21:59:10,021 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 508 transitions. [2024-11-13 21:59:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-13 21:59:10,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:10,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:10,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:10,024 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:10,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-13 21:59:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:10,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:10,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-13 21:59:10,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:12,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-13 21:59:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 385 states and 512 transitions. [2024-11-13 21:59:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 512 transitions. [2024-11-13 21:59:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-13 21:59:20,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:20,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:20,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:20,218 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:20,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-13 21:59:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:20,696 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:20,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-13 21:59:20,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:22,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-13 21:59:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 388 states and 516 transitions. [2024-11-13 21:59:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 516 transitions. [2024-11-13 21:59:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-13 21:59:30,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:30,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:30,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:30,145 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:30,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-13 21:59:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:30,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:30,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-11-13 21:59:30,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:32,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-13 21:59:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 391 states and 520 transitions. [2024-11-13 21:59:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 520 transitions. [2024-11-13 21:59:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-13 21:59:40,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:40,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:40,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:40,228 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:40,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-13 21:59:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:40,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:40,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-11-13 21:59:40,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:42,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-13 21:59:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 394 states and 524 transitions. [2024-11-13 21:59:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 524 transitions. [2024-11-13 21:59:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-13 21:59:50,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:50,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:50,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:50,141 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:50,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-13 21:59:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 132 conjuncts are in the unsatisfiable core [2024-11-13 21:59:50,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:52,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-13 22:00:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 397 states and 528 transitions. [2024-11-13 22:00:00,938 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 528 transitions. [2024-11-13 22:00:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-13 22:00:00,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:00,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:00,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:00,940 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:00,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-13 22:00:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-11-13 22:00:01,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:03,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-13 22:00:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 400 states and 532 transitions. [2024-11-13 22:00:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 532 transitions. [2024-11-13 22:00:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-13 22:00:11,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:11,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:11,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:11,508 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:11,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-13 22:00:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 134 conjuncts are in the unsatisfiable core [2024-11-13 22:00:12,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:13,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 403 states and 536 transitions. [2024-11-13 22:00:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 536 transitions. [2024-11-13 22:00:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-13 22:00:23,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:23,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:23,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:23,324 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:23,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-13 22:00:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-13 22:00:23,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:25,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:35,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 406 states and 540 transitions. [2024-11-13 22:00:35,200 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 540 transitions. [2024-11-13 22:00:35,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-13 22:00:35,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:35,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:35,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:35,203 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:35,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-13 22:00:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-11-13 22:00:35,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:37,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-13 22:00:47,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 409 states and 544 transitions. [2024-11-13 22:00:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2024-11-13 22:00:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-13 22:00:47,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:47,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:47,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:47,947 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:47,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-13 22:00:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:48,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:48,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-13 22:00:48,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:50,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-13 22:01:00,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 412 states and 548 transitions. [2024-11-13 22:01:00,625 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 548 transitions. [2024-11-13 22:01:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-13 22:01:00,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:00,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:00,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:00,628 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:00,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-13 22:01:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:01,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:01,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 138 conjuncts are in the unsatisfiable core [2024-11-13 22:01:01,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:03,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-13 22:01:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 415 states and 552 transitions. [2024-11-13 22:01:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 552 transitions. [2024-11-13 22:01:13,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-13 22:01:13,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:13,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:13,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:13,572 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:13,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-13 22:01:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:14,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:14,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-11-13 22:01:14,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:16,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-13 22:01:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 418 states and 556 transitions. [2024-11-13 22:01:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 556 transitions. [2024-11-13 22:01:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-13 22:01:25,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:25,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:25,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:25,557 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:25,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-13 22:01:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:25,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:26,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 140 conjuncts are in the unsatisfiable core [2024-11-13 22:01:26,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:27,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-13 22:01:38,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 421 states and 560 transitions. [2024-11-13 22:01:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 560 transitions. [2024-11-13 22:01:38,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-13 22:01:38,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:38,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:38,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:38,726 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:38,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-13 22:01:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:39,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:39,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 141 conjuncts are in the unsatisfiable core [2024-11-13 22:01:39,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:41,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-13 22:01:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 424 states and 564 transitions. [2024-11-13 22:01:52,480 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 564 transitions. [2024-11-13 22:01:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-13 22:01:52,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:52,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:52,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:52,483 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:52,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-13 22:01:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:53,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:53,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 142 conjuncts are in the unsatisfiable core [2024-11-13 22:01:53,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:55,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-13 22:02:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:06,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 427 states and 568 transitions. [2024-11-13 22:02:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 568 transitions. [2024-11-13 22:02:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-13 22:02:06,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:06,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:06,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:06,101 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:06,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-13 22:02:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:06,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:06,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 143 conjuncts are in the unsatisfiable core [2024-11-13 22:02:06,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:08,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-13 22:02:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 430 states and 572 transitions. [2024-11-13 22:02:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 572 transitions. [2024-11-13 22:02:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-13 22:02:19,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:19,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:19,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:19,355 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:19,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-13 22:02:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:20,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:20,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-13 22:02:20,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:22,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-13 22:02:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:33,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2024-11-13 22:02:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2024-11-13 22:02:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-13 22:02:33,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:33,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:33,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:33,376 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:33,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-13 22:02:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:33,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:33,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 145 conjuncts are in the unsatisfiable core [2024-11-13 22:02:33,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:35,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-13 22:02:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 436 states and 580 transitions. [2024-11-13 22:02:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 580 transitions. [2024-11-13 22:02:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-13 22:02:45,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:45,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:45,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:45,509 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:45,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-13 22:02:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:46,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:46,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 146 conjuncts are in the unsatisfiable core [2024-11-13 22:02:46,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:48,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-13 22:02:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 439 states and 584 transitions. [2024-11-13 22:02:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 584 transitions. [2024-11-13 22:02:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-13 22:02:57,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:57,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:57,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:57,206 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:57,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-13 22:02:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:57,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:57,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 147 conjuncts are in the unsatisfiable core [2024-11-13 22:02:57,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:59,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-13 22:03:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 442 states and 588 transitions. [2024-11-13 22:03:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 588 transitions. [2024-11-13 22:03:08,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-13 22:03:08,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:08,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:08,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:08,198 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:08,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-13 22:03:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:08,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:08,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 148 conjuncts are in the unsatisfiable core [2024-11-13 22:03:08,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:10,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-13 22:03:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:19,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 445 states and 592 transitions. [2024-11-13 22:03:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 592 transitions. [2024-11-13 22:03:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-13 22:03:19,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:19,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:19,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:19,255 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:19,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-13 22:03:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:19,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:19,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-13 22:03:19,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:21,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-13 22:03:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 448 states and 596 transitions. [2024-11-13 22:03:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 596 transitions. [2024-11-13 22:03:30,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-13 22:03:30,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:30,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:30,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:30,625 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:30,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-13 22:03:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:31,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:31,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 150 conjuncts are in the unsatisfiable core [2024-11-13 22:03:31,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:32,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-13 22:03:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 451 states and 600 transitions. [2024-11-13 22:03:42,059 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 600 transitions. [2024-11-13 22:03:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-13 22:03:42,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:42,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:42,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:42,061 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:42,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-13 22:03:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:42,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:42,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 151 conjuncts are in the unsatisfiable core [2024-11-13 22:03:42,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:44,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-13 22:03:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:53,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 454 states and 604 transitions. [2024-11-13 22:03:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 604 transitions. [2024-11-13 22:03:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-13 22:03:53,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:53,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:53,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:53,676 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:53,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-13 22:03:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:54,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:54,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 152 conjuncts are in the unsatisfiable core [2024-11-13 22:03:54,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:55,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-13 22:04:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 457 states and 608 transitions. [2024-11-13 22:04:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 608 transitions. [2024-11-13 22:04:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-13 22:04:05,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:05,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:05,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:05,469 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:05,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-13 22:04:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 153 conjuncts are in the unsatisfiable core [2024-11-13 22:04:06,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:07,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-13 22:04:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 460 states and 612 transitions. [2024-11-13 22:04:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 612 transitions. [2024-11-13 22:04:19,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-13 22:04:19,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:19,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:19,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:19,240 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-13 22:04:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 154 conjuncts are in the unsatisfiable core [2024-11-13 22:04:19,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:22,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-13 22:04:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 463 states and 616 transitions. [2024-11-13 22:04:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 616 transitions. [2024-11-13 22:04:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-13 22:04:33,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,606 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-13 22:04:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 155 conjuncts are in the unsatisfiable core [2024-11-13 22:04:34,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:36,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-13 22:04:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:46,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 466 states and 620 transitions. [2024-11-13 22:04:46,856 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 620 transitions. [2024-11-13 22:04:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-13 22:04:46,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:46,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:46,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:46,858 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:46,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-13 22:04:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-13 22:04:47,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:49,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-13 22:04:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 469 states and 624 transitions. [2024-11-13 22:04:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 624 transitions. [2024-11-13 22:04:59,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-13 22:04:59,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:59,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:59,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:59,983 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:59,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-13 22:05:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 157 conjuncts are in the unsatisfiable core [2024-11-13 22:05:00,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:02,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 472 states and 628 transitions. [2024-11-13 22:05:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 628 transitions. [2024-11-13 22:05:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-13 22:05:12,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:12,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:12,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:12,523 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:12,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-13 22:05:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:12,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:13,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 158 conjuncts are in the unsatisfiable core [2024-11-13 22:05:13,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:14,979 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:14,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-13 22:05:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:25,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 475 states and 632 transitions. [2024-11-13 22:05:25,206 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 632 transitions. [2024-11-13 22:05:25,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-13 22:05:25,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:25,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:25,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:25,208 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:25,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-13 22:05:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:25,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:25,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-13 22:05:25,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:27,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-13 22:05:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 478 states and 636 transitions. [2024-11-13 22:05:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 636 transitions. [2024-11-13 22:05:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-13 22:05:37,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:37,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:37,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:37,990 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:37,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6adac0-027f-4b88-b51d-b2274d9ce7cb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-13 22:05:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:38,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:38,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-11-13 22:05:38,536 INFO L278 TraceCheckSpWp]: Computing forward predicates...