./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_2_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk --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 2f8505e46ba1dfd9d1ec3a293aaba2f619b40b1a80d91e8d871194a57c70c939 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:11:27,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:11:27,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:11:27,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:11:27,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:11:27,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:11:27,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:11:27,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:11:27,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:11:27,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:11:27,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:11:27,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:11:27,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:11:27,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:11:27,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:11:27,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:11:27,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:11:27,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:11:27,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:11:27,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:11:27,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:11:27,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:11:27,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:11:27,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:11:27,734 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:11:27,734 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:11:27,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:11:27,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:11:27,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:11:27,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:11:27,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:11:27,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:11:27,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:11:27,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8505e46ba1dfd9d1ec3a293aaba2f619b40b1a80d91e8d871194a57c70c939 [2024-11-08 22:11:28,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:11:28,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:11:28,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:11:28,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:11:28,133 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:11:28,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_2+newton_2_1.i Unable to find full path for "g++" [2024-11-08 22:11:30,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:11:30,605 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:11:30,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i [2024-11-08 22:11:30,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/data/be791398b/048879a8032f4d11a37c558b94f9668d/FLAGb86e2d6fb [2024-11-08 22:11:30,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/data/be791398b/048879a8032f4d11a37c558b94f9668d [2024-11-08 22:11:30,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:11:30,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:11:30,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:11:30,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:11:30,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:11:30,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:11:30" (1/1) ... [2024-11-08 22:11:30,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7895db5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:30, skipping insertion in model container [2024-11-08 22:11:30,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:11:30" (1/1) ... [2024-11-08 22:11:31,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:11:31,266 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_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[1226,1239] [2024-11-08 22:11:31,301 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_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[2841,2854] [2024-11-08 22:11:31,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:11:31,315 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:11:31,329 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_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[1226,1239] [2024-11-08 22:11:31,344 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_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[2841,2854] [2024-11-08 22:11:31,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:11:31,367 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:11:31,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31 WrapperNode [2024-11-08 22:11:31,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:11:31,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:11:31,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:11:31,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:11:31,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,418 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-08 22:11:31,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:11:31,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:11:31,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:11:31,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:11:31,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:11:31,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:11:31,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:11:31,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:11:31,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:31" (1/1) ... [2024-11-08 22:11:31,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:11:31,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:11:31,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:11:31,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:11:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:11:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:11:31,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:11:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:11:31,548 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:11:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:11:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:11:31,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:11:31,659 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:11:31,665 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:11:32,020 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:11:32,021 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:11:32,091 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:11:32,091 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:11:32,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:11:32 BoogieIcfgContainer [2024-11-08 22:11:32,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:11:32,093 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:11:32,093 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:11:32,106 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:11:32,106 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:11:32" (1/1) ... [2024-11-08 22:11:32,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:11:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-11-08 22:11:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 22:11:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:11:32,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:32,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:11:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:32,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2024-11-08 22:11:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-08 22:11:32,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:11:32,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:11:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2024-11-08 22:11:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-08 22:11:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:11:32,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:32,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:11:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2024-11-08 22:11:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2024-11-08 22:11:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:11:34,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:34,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:11:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2024-11-08 22:11:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2024-11-08 22:11:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:11:37,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:37,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:11:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2024-11-08 22:11:41,539 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2024-11-08 22:11:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:11:41,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:41,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:11:41,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:11:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:11:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:11:41,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:11:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:11:41,625 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 22:11:41,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:11:41 ImpRootNode [2024-11-08 22:11:41,654 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:11:41,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:11:41,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:11:41,655 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:11:41,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:11:32" (3/4) ... [2024-11-08 22:11:41,659 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:11:41,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:11:41,662 INFO L158 Benchmark]: Toolchain (without parser) took 10686.03ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 118.0MB in the beginning and 145.0MB in the end (delta: -27.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-08 22:11:41,663 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 123.3MB in the end (delta: 176.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:11:41,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.07ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 104.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:11:41,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.23ms. Allocated memory is still 155.2MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:11:41,665 INFO L158 Benchmark]: Boogie Preprocessor took 29.84ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 101.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:11:41,666 INFO L158 Benchmark]: RCFGBuilder took 642.17ms. Allocated memory is still 155.2MB. Free memory was 100.7MB in the beginning and 82.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:11:41,667 INFO L158 Benchmark]: CodeCheck took 9561.19ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 82.9MB in the beginning and 145.0MB in the end (delta: -62.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:11:41,667 INFO L158 Benchmark]: Witness Printer took 6.24ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 145.0MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:11:41,671 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 3 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 15 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 342 SyntacticMatches, 9 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1816 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 403 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/14 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: 102]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 95. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L93] CALL, EXPR f(IN) VAL [\old(x)=2] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) VAL [IN=2] [L93] CALL, EXPR fp(IN) VAL [\old(x)=2] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) VAL [IN=2] [L93] float x = IN - f(IN)/fp(IN); [L95] CALL, EXPR f(x) VAL [\old(x)=3] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L95] RET, EXPR f(x) VAL [IN=2, x=3] [L95] CALL, EXPR fp(x) VAL [\old(x)=3] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L95] RET, EXPR fp(x) VAL [IN=2, x=3] [L95] x = x - f(x)/fp(x) [L101] COND TRUE !(x < 0.1) VAL [IN=2] [L102] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 123.3MB in the end (delta: 176.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.07ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 104.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.23ms. Allocated memory is still 155.2MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.84ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 101.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.17ms. Allocated memory is still 155.2MB. Free memory was 100.7MB in the beginning and 82.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9561.19ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 82.9MB in the beginning and 145.0MB in the end (delta: -62.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.24ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 145.0MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:11:41,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk --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 2f8505e46ba1dfd9d1ec3a293aaba2f619b40b1a80d91e8d871194a57c70c939 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:11:44,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:11:44,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:11:44,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:11:44,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:11:44,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:11:44,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:11:44,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:11:44,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:11:44,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:11:44,692 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:11:44,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:11:44,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:11:44,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:11:44,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:11:44,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:11:44,698 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:11:44,699 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:11:44,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:11:44,699 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:11:44,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:11:44,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:11:44,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:11:44,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:11:44,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:11:44,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:11:44,704 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:11:44,704 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:11:44,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:11:44,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:11:44,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:11:44,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:11:44,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:11:44,706 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:11:44,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:11:44,708 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:11:44,708 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8505e46ba1dfd9d1ec3a293aaba2f619b40b1a80d91e8d871194a57c70c939 [2024-11-08 22:11:45,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:11:45,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:11:45,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:11:45,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:11:45,230 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:11:45,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_2+newton_2_1.i Unable to find full path for "g++" [2024-11-08 22:11:47,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:11:47,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:11:47,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i [2024-11-08 22:11:47,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/data/d86a9d88a/5a0e561ed09c4d4f8008bf438be9a639/FLAGbacfd43bd [2024-11-08 22:11:47,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/data/d86a9d88a/5a0e561ed09c4d4f8008bf438be9a639 [2024-11-08 22:11:47,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:11:47,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:11:47,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:11:47,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:11:47,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:11:47,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:11:47" (1/1) ... [2024-11-08 22:11:47,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c8ac8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:47, skipping insertion in model container [2024-11-08 22:11:47,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:11:47" (1/1) ... [2024-11-08 22:11:47,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:11:48,145 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_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[1226,1239] [2024-11-08 22:11:48,196 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_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[2841,2854] [2024-11-08 22:11:48,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:11:48,227 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:11:48,249 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_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[1226,1239] [2024-11-08 22:11:48,274 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_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[2841,2854] [2024-11-08 22:11:48,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:11:48,316 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:11:48,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48 WrapperNode [2024-11-08 22:11:48,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:11:48,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:11:48,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:11:48,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:11:48,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,378 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-08 22:11:48,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:11:48,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:11:48,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:11:48,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:11:48,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:11:48,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:11:48,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:11:48,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:11:48,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:48" (1/1) ... [2024-11-08 22:11:48,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:11:48,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:11:48,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:11:48,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:11:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:11:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:11:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:11:48,533 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:11:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:11:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:11:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:11:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:11:48,664 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:11:48,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:12:13,829 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 22:12:13,829 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:12:13,900 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:12:13,901 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:12:13,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:12:13 BoogieIcfgContainer [2024-11-08 22:12:13,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:12:13,906 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:12:13,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:12:13,922 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:12:13,922 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:12:13" (1/1) ... [2024-11-08 22:12:13,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:12:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-11-08 22:12:14,003 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 22:12:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:12:14,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:14,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:12:14,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:12:14,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:12:14,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:12:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:14,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:12:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:14,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:12:14,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:12:14,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:12:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-11-08 22:12:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-08 22:12:15,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:12:15,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:15,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:12:15,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:12:15,386 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:12:15,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:12:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:15,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:12:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:15,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:12:15,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:12:15,631 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:12:15,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:12:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-11-08 22:12:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-08 22:12:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:12:15,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:15,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:12:15,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:12:15,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:12:15,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:12:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:16,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:12:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:16,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:12:16,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:12:17,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:12:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-08 22:12:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-08 22:12:24,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:12:24,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:24,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:12:24,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:12:24,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:12:24,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:12:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:24,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:12:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:25,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:12:25,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:12:37,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:13:10,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:13:24,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:13:40,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:13:44,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:13:44,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:13:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:13:44,771 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:13:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:13:44,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:13:44,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:44,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:13:44,775 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:13:44,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:13:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:45,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:13:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:45,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:13:45,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:13:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:13:47,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:13:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:13:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:13:47,276 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:13:47,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:13:47,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:13:47,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:47,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:13:47,281 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:13:47,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:13:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:47,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:13:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:47,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:13:47,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:13:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:13:55,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:13:55,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:13:55,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:13:55,487 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:13:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:13:55,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:13:55,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:55,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:13:55,494 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:13:55,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:13:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:55,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:13:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:56,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:13:56,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:13:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:13:57,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:13:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:13:57,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:13:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:13:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:13:57,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:13:57,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:57,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:13:57,675 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:13:57,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:13:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:58,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:13:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:58,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:13:58,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:05,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:14:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:14:05,228 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:14:05,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:14:05,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:05,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:05,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:05,231 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:05,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:14:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:05,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:05,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:05,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:13,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:14:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:14:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:14:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:14:13,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:13,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:13,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:13,445 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:13,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:14:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:13,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:14,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:14,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:22,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:14:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:14:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:14:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:14:22,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:22,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:22,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:22,792 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:22,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:14:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:23,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:23,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:23,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:24,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:14:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:14:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:14:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:14:24,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:24,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:24,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:24,842 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:24,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:14:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:25,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:25,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:14:25,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:38,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 22:14:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:14:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:14:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:14:44,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:44,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:44,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:44,738 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:44,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:14:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:45,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:45,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:45,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:46,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 22:14:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:46,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:14:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:14:46,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:14:46,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:46,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:46,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:46,919 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:46,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:14:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:47,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:47,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:47,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:48,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 22:14:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:14:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:14:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:14:48,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:48,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:48,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:48,927 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:48,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:14:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:49,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:49,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:49,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:50,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:50,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 22:14:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:14:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:14:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:14:50,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:50,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:50,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:50,852 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:50,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:14:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:51,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:51,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:51,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:52,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:52,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 22:14:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:14:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:14:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:14:52,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:52,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:52,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:52,961 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:52,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:14:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:53,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:53,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:53,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:02,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:02,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:02,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:02,243 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:02,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:02,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:02,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:02,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:02,247 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:02,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:15:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:02,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:02,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:02,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:04,408 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:15:04,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 22:15:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:04,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:04,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:04,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:04,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:04,432 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:04,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:15:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:04,842 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:04,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:04,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:12,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:12,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:12,377 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:12,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:12,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:12,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:12,379 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:12,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:15:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:12,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:12,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:13,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:14,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:14,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:14,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:14,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:14,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:14,474 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:14,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:15:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:14,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:15,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:15,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:16,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:16,909 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:16,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:16,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:16,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:16,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:16,913 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:16,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:15:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:17,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:17,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:17,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:26,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:26,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:26,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:26,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:26,177 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:26,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:15:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:26,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:26,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:26,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:35,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:35,520 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:35,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:35,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:35,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:35,524 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:35,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:15:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:35,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:36,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:36,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:45,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:45,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:45,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:45,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:45,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:45,758 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:45,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:15:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:46,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:46,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:46,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:47,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:47,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:47,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:47,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:47,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:47,770 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:47,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:15:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:48,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:48,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:48,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:55,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:55,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:15:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:15:55,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:15:55,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:55,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:55,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:55,650 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:55,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:15:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:56,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:56,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:15:56,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:03,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 22:16:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:03,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:03,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:03,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:03,558 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:03,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:16:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:04,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:04,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:04,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:11,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-08 22:16:11,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:11,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:11,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:11,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:11,494 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:11,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:16:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:11,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:12,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:12,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:13,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:13,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:13,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:13,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:13,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:13,962 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:13,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:16:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:14,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:14,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:14,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:22,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:22,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:22,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:22,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:22,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:22,280 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:22,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:16:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:22,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:22,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:22,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:30,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:30,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:30,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:30,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:30,349 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:30,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:16:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:30,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:30,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:30,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:38,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:38,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:38,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:38,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:38,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:38,107 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:38,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:16:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:38,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:38,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:38,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:46,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-08 22:16:46,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:46,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:46,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:46,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:46,062 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:46,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:16:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:46,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:46,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:46,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:48,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-08 22:16:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:48,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:48,319 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:48,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:48,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:48,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:48,320 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:48,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:16:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:48,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:48,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:48,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:50,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 22:16:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:50,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:50,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:50,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:50,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:50,560 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:50,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:16:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:51,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:51,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:51,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:16:53,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:16:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:16:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:16:53,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:53,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:53,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:53,097 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:53,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:16:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:53,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:53,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:16:53,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:01,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-08 22:17:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:17:01,536 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:17:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:17:01,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:01,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:01,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:01,541 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:01,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:17:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:02,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:02,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:17:02,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:09,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:09,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:17:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:17:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:17:09,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:09,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:09,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:09,586 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:09,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:17:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:10,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:10,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:17:10,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:19,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:17:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:17:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:17:19,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:19,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:19,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:19,452 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:19,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:17:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:19,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:20,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:17:20,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:28,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-08 22:17:28,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:17:28,907 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:17:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:17:28,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:28,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:28,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:28,909 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:28,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:17:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:29,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:29,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:17:29,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:30,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:17:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:17:31,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:17:31,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:31,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:31,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:31,007 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:31,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:17:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:31,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:31,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:17:31,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:39,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-08 22:17:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:17:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:17:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:17:39,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:39,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:39,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:39,252 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:39,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:17:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:39,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:39,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:17:39,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:47,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-08 22:17:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:17:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:17:47,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:17:47,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:47,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:47,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:47,297 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:47,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 22:17:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:47,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:47,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:17:47,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:49,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:17:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:17:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:17:49,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:49,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:49,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:49,276 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:49,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 22:17:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:49,678 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:49,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:17:49,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:17:58,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:17:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:17:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:17:58,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:58,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:58,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:58,253 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:58,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 22:17:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:58,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:58,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:17:58,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:18:07,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:18:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:18:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:18:07,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:07,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:07,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:07,743 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:07,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 22:18:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:08,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:08,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:18:08,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:10,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:18:10,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:18:10,209 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:18:10,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:18:10,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:10,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:10,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:10,216 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:10,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 22:18:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:10,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:10,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:18:10,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:12,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:18:12,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-08 22:18:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:18:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:18:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:18:12,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:12,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:12,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:12,343 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:12,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 22:18:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:12,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:12,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:18:12,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:18:20,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:20,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:20,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:18:20,639 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:18:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:18:20,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:20,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:20,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:20,641 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:20,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 22:18:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:21,046 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:21,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:18:21,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:28,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:18:28,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-08 22:18:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:18:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:18:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:18:28,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:28,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:28,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:28,300 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:28,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 22:18:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:28,775 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:28,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:18:28,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:18:36,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:18:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:18:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:18:36,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:36,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:36,237 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:36,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 22:18:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:36,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:36,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:18:36,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:18:44,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-08 22:18:44,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:18:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:18:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:18:44,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:44,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:44,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:44,528 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:44,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 22:18:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:44,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:45,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:18:45,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:18:46,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:18:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:18:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:18:46,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:46,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:46,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:46,502 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:46,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 22:18:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:46,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:47,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:18:47,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:18:54,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 22:18:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:18:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:18:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:18:54,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:54,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:54,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:54,283 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:54,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 22:18:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:54,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:54,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:18:54,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:19:03,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:19:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:19:03,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:19:03,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:03,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:03,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:03,652 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:03,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 22:19:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:04,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:04,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:04,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:19:11,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:19:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:19:11,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:19:11,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:11,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:11,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:11,559 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:11,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 22:19:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:12,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:12,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:12,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:19:13,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:19:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:19:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:19:13,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:13,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:13,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:13,877 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:13,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 22:19:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:14,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:14,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:14,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:19:23,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:23,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:19:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:19:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:19:23,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:23,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:23,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:23,782 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:23,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 22:19:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:24,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:24,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:24,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:19:32,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:19:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:19:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:19:32,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:32,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:32,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:32,066 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:32,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 22:19:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:32,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:32,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:32,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:19:40,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:19:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:19:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:19:40,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:40,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:40,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:40,800 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:40,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 22:19:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:41,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:41,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:41,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:19:48,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-08 22:19:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:19:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:19:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:19:48,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:48,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:48,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:48,929 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:48,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 22:19:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:49,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:49,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:49,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:19:58,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:19:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:19:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:19:58,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:58,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:58,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:58,569 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:58,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 22:19:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:59,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:59,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:59,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:06,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-08 22:20:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:20:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:20:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:06,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:06,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:06,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:06,819 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:06,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 22:20:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:07,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:07,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:07,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:08,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:20:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:20:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:08,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:08,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:08,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:08,813 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:08,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 22:20:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:09,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:09,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:09,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:18,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-08 22:20:18,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:20:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:20:18,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:18,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:18,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:18,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:18,599 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:18,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 22:20:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:19,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:19,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:19,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:27,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:27,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:20:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:20:27,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:27,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:27,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:27,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:27,285 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:27,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 22:20:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:27,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:27,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:27,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:29,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:29,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:20:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:20:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:29,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:29,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:29,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:29,352 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:29,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 22:20:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:29,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:29,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:29,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:38,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:20:38,267 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:20:38,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:38,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:38,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:38,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:38,269 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:38,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 22:20:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:38,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:38,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:38,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:47,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:47,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:20:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:20:47,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:47,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:47,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:47,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:47,166 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:47,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 22:20:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:47,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:47,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:47,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:57,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-08 22:20:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:20:57,015 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:20:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:57,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:57,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:57,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:57,016 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:57,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 22:20:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:57,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:57,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:57,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:58,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-08 22:20:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:58,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:20:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:20:58,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:58,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:58,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:58,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:58,994 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:58,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 22:20:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:59,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:59,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:59,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:07,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:07,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:21:07,267 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:21:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:21:07,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:07,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:07,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:07,269 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:07,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 22:21:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:07,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:07,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:07,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:09,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:21:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:21:09,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:21:09,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:09,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:09,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:09,436 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:09,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 22:21:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:09,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:10,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:10,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:18,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-08 22:21:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:21:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:21:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:21:18,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:18,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:18,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:18,840 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:18,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 22:21:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:19,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:19,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:19,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:26,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:26,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:26,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:21:26,599 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:21:26,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:21:26,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:26,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:26,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:26,601 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:26,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 22:21:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:27,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:27,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:27,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:28,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:28,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:21:28,850 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:21:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:21:28,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:28,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:28,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:28,854 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:28,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 22:21:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:29,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:29,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:21:29,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:39,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:39,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-08 22:21:39,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:39,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:21:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:21:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:21:39,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:39,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:39,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:39,092 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:39,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 22:21:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:39,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:39,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:39,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:47,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:47,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:47,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:21:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:21:47,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:21:47,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:47,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:47,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:47,406 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:47,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 22:21:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:47,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:47,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:47,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:55,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:55,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:55,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:21:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:21:55,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:21:55,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:55,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:55,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:55,179 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:55,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 22:21:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:55,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:55,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:21:55,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:03,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-08 22:22:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:03,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:03,762 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:03,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:03,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:03,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:03,765 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:03,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 22:22:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:04,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:04,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:22:04,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:05,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-08 22:22:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:05,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:05,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:05,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:05,935 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:05,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 22:22:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:06,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:06,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:22:06,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:13,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-08 22:22:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:13,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:13,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:13,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:13,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:13,793 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:13,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 22:22:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:14,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:14,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:22:14,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:21,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:21,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:21,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:21,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:21,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:21,583 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:21,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 22:22:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:22,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:22,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:22:22,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:23,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:23,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:23,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:23,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:23,794 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:23,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 22:22:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:24,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:24,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:22:24,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:25,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:25,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:25,913 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:25,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:25,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:25,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:25,914 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:25,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 22:22:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:26,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:26,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:22:26,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:36,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-08 22:22:36,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:36,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:36,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:36,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:36,062 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:36,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 22:22:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:36,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:36,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:22:36,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:44,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:44,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:44,144 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:44,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:44,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:44,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:44,146 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:44,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 22:22:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:44,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:44,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:22:44,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:46,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-08 22:22:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:46,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:46,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:46,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:46,470 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:46,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 22:22:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:46,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:47,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:22:47,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:54,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:54,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:54,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:54,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:54,165 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:54,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 22:22:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:54,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:54,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:22:54,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:02,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:02,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:02,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:02,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:02,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:02,985 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:02,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 22:23:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:03,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:03,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:03,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:05,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-08 22:23:05,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:05,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:05,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:05,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:05,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:05,155 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:05,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 22:23:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:05,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:05,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:05,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:14,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-08 22:23:14,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:14,300 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:14,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:14,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:14,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:14,302 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:14,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 22:23:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:14,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:14,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:14,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:16,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:16,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:16,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:16,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:16,383 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:16,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 22:23:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:16,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:16,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:16,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:18,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-08 22:23:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:18,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:18,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:18,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:18,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:18,537 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:18,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 22:23:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:19,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:19,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:19,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:27,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-08 22:23:27,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:27,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:27,587 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:27,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:27,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:27,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:27,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:27,591 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:27,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 22:23:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:28,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:28,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:28,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:36,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:37,006 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:37,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:37,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:37,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:37,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:37,010 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:37,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 22:23:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:37,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:37,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:37,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:44,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:44,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:44,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:44,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:44,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:44,977 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:44,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 22:23:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:45,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:45,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:45,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:47,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:47,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:47,224 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:47,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:47,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:47,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:47,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:47,226 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:47,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 22:23:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:47,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:47,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:47,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:49,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-08 22:23:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:49,662 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:49,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:49,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:49,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:49,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:49,663 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:49,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 22:23:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:50,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:50,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:50,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:57,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:57,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-08 22:23:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:23:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:23:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:23:57,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:57,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:57,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:57,935 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:57,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 22:23:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:58,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:58,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:23:58,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:06,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-08 22:24:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:06,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:06,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:06,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:06,017 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:06,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 22:24:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:06,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:06,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:06,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:15,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:15,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:15,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:15,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:15,344 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:15,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 22:24:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:15,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:15,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:15,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:22,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-08 22:24:22,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:22,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:22,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:22,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:22,942 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:22,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 22:24:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:23,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:23,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:23,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:24,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:24,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:24,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:24,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:24,904 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:24,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 22:24:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:25,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:25,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:25,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:26,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-08 22:24:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:26,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:26,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:26,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:26,800 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:26,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 22:24:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:27,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:27,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:27,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:28,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:28,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:28,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:28,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:28,806 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:28,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 22:24:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:29,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:29,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:29,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:36,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-08 22:24:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:36,213 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:36,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:36,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:36,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:36,216 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:36,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 22:24:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:36,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:36,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:36,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:38,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-08 22:24:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:38,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:38,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:38,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:38,110 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:38,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 22:24:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:38,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:38,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:38,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:40,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-08 22:24:40,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:40,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:40,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:40,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:40,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:40,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:40,094 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:40,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 22:24:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:40,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:40,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:40,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:47,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:47,065 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:47,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:47,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:47,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:47,069 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:47,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 22:24:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:47,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:47,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:24:47,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:54,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-08 22:24:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:24:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:24:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:24:54,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:54,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:54,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:54,186 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:54,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 22:24:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:54,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:54,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:24:54,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:00,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-08 22:25:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:01,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:01,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:01,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:01,003 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:01,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 22:25:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:01,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:01,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:01,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:08,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-08 22:25:08,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:08,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:08,306 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:08,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:08,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:08,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:08,308 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:08,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 22:25:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:08,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:08,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:08,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:10,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-08 22:25:10,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:10,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:10,189 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:10,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:10,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:10,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:10,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:10,190 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:10,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 22:25:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:10,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:10,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:10,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:19,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-08 22:25:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:19,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:19,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:19,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:19,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:19,157 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:19,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 22:25:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:19,605 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:19,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:19,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:26,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-08 22:25:26,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:26,671 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:26,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:26,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:26,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:26,673 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:26,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 22:25:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:27,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:27,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:27,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:34,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-08 22:25:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:34,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:34,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:34,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:34,403 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:34,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 22:25:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:34,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:34,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:34,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:36,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-08 22:25:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:36,580 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:36,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:36,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:36,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:36,582 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:36,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 22:25:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:37,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:37,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:37,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:38,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-08 22:25:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:38,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:38,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:38,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:38,607 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:38,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 22:25:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:39,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:39,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:39,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:48,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:49,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:49,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:49,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:49,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:49,006 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:49,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 22:25:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:49,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:49,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:49,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:51,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:51,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:51,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:51,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:51,131 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:51,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 22:25:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:51,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:51,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:51,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:59,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-08 22:25:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:59,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:25:59,780 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:25:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:25:59,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:59,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:59,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:59,782 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:59,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 22:26:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:00,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:00,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:26:00,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:08,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-08 22:26:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:26:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:26:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:26:08,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:08,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:08,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:08,163 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:08,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 22:26:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:08,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:08,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:26:08,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:16,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:26:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:26:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:26:16,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:16,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:16,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:16,323 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:16,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 22:26:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:16,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:16,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:26:16,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:18,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-08 22:26:18,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:18,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:26:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:26:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:26:18,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:18,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:18,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:18,397 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:18,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 22:26:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:18,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:18,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:26:18,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:26:27,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:26:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:26:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:26:27,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:27,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:27,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:27,107 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:27,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb01d66e-e6ca-46d5-a0cc-c95a135ac6c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 22:26:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:27,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:27,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:26:27,842 INFO L278 TraceCheckSpWp]: Computing forward predicates...