./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:40:07,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:40:07,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:40:07,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:40:07,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:40:07,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:40:07,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:40:07,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:40:07,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:40:07,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:40:07,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:40:07,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:40:07,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:40:07,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:40:07,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:40:07,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:40:07,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:40:07,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:40:07,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:40:07,450 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:40:07,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:40:07,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:40:07,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:40:07,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:40:07,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:40:07,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:40:07,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:07,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:40:07,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:40:07,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:40:07,457 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:40:07,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:40:07,458 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:40:07,458 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_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d [2023-12-03 00:40:07,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:40:07,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:40:07,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:40:07,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:40:07,744 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:40:07,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2023-12-03 00:40:10,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:40:11,068 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:40:11,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2023-12-03 00:40:11,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/data/f8a995529/02e52772c1a8464a8119351634d7a09e/FLAGf9b72ac0f [2023-12-03 00:40:11,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/data/f8a995529/02e52772c1a8464a8119351634d7a09e [2023-12-03 00:40:11,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:40:11,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:40:11,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:11,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:40:11,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:40:11,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:11,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123b2de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11, skipping insertion in model container [2023-12-03 00:40:11,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:11,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:40:11,663 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2023-12-03 00:40:11,769 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2023-12-03 00:40:11,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:11,799 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:40:11,838 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2023-12-03 00:40:11,896 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2023-12-03 00:40:11,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:11,947 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:40:11,954 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:40:11,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11 WrapperNode [2023-12-03 00:40:11,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:11,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:11,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:40:11,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:40:11,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,072 INFO L138 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1372 [2023-12-03 00:40:12,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:12,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:40:12,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:40:12,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:40:12,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:40:12,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:40:12,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:40:12,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:40:12,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:11" (1/1) ... [2023-12-03 00:40:12,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:12,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:40:12,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:40:12,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:40:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:40:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:40:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:40:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:40:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:40:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:40:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:40:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:40:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:40:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:40:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:40:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:40:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:40:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:40:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:40:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:40:12,535 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:40:12,538 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:40:13,995 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:40:15,657 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:40:15,657 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:40:15,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:15 BoogieIcfgContainer [2023-12-03 00:40:15,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:40:15,660 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:40:15,661 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:40:15,671 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:40:15,672 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:15" (1/1) ... [2023-12-03 00:40:15,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:40:15,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-03 00:40:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-03 00:40:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:40:15,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:15,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:40:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-03 00:40:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-03 00:40:15,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:40:15,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:15,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:40:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 133 states and 216 transitions. [2023-12-03 00:40:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 216 transitions. [2023-12-03 00:40:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:40:16,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:16,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:16,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:40:16,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:40:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 133 states and 212 transitions. [2023-12-03 00:40:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2023-12-03 00:40:16,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:40:16,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:16,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:16,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:40:16,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:40:26,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:40:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 133 states and 206 transitions. [2023-12-03 00:40:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2023-12-03 00:40:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:40:26,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:26,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:26,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:40:26,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:40:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 133 states and 200 transitions. [2023-12-03 00:40:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 200 transitions. [2023-12-03 00:40:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:40:26,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:26,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:26,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:40:26,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:40:36,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:40:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 133 states and 192 transitions. [2023-12-03 00:40:37,035 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2023-12-03 00:40:37,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:37,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:37,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:37,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:40:37,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:40:47,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:40:57,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:07,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:17,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:17,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 146 states and 207 transitions. [2023-12-03 00:41:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 207 transitions. [2023-12-03 00:41:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 00:41:17,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:17,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:18,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:41:18,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:18,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:18,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2023-12-03 00:41:18,095 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2023-12-03 00:41:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:41:18,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:18,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:18,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:41:18,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:28,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 146 states and 203 transitions. [2023-12-03 00:41:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 203 transitions. [2023-12-03 00:41:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:41:28,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:28,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:28,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:41:28,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:38,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:48,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:58,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:08,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:09,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 149 states and 205 transitions. [2023-12-03 00:42:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2023-12-03 00:42:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:42:09,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:09,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:42:09,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:42:19,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:29,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:39,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:42:49,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:00,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:10,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:20,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:30,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 195 states and 264 transitions. [2023-12-03 00:43:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 264 transitions. [2023-12-03 00:43:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:43:30,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:30,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:30,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:43:30,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:43:30,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:30,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 195 states and 260 transitions. [2023-12-03 00:43:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 260 transitions. [2023-12-03 00:43:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:43:30,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:30,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:31,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:43:31,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:31,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:43:41,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:43:41,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:41,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 195 states and 258 transitions. [2023-12-03 00:43:41,115 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2023-12-03 00:43:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:43:41,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:41,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:41,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:43:41,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:43:51,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:01,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:11,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:21,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 198 states and 260 transitions. [2023-12-03 00:44:21,676 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2023-12-03 00:44:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:44:21,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:21,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:21,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:44:21,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:44:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 198 states and 258 transitions. [2023-12-03 00:44:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2023-12-03 00:44:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:44:22,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:22,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:22,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:44:22,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:44:32,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:42,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:44:52,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:02,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:02,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 181 states and 237 transitions. [2023-12-03 00:45:02,644 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 237 transitions. [2023-12-03 00:45:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:45:02,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:02,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:45:12,933 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:45:12,936 INFO L158 Benchmark]: Toolchain (without parser) took 301822.64ms. Allocated memory was 211.8MB in the beginning and 266.3MB in the end (delta: 54.5MB). Free memory was 176.3MB in the beginning and 142.8MB in the end (delta: 33.5MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. [2023-12-03 00:45:12,936 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:45:12,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.45ms. Allocated memory is still 211.8MB. Free memory was 176.3MB in the beginning and 139.6MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 00:45:12,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.98ms. Allocated memory is still 211.8MB. Free memory was 139.6MB in the beginning and 130.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:45:12,938 INFO L158 Benchmark]: Boogie Preprocessor took 137.88ms. Allocated memory is still 211.8MB. Free memory was 130.4MB in the beginning and 122.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:45:12,938 INFO L158 Benchmark]: RCFGBuilder took 3447.05ms. Allocated memory was 211.8MB in the beginning and 266.3MB in the end (delta: 54.5MB). Free memory was 121.5MB in the beginning and 211.4MB in the end (delta: -89.8MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2023-12-03 00:45:12,939 INFO L158 Benchmark]: CodeCheck took 297274.83ms. Allocated memory is still 266.3MB. Free memory was 211.4MB in the beginning and 142.8MB in the end (delta: 68.6MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-12-03 00:45:12,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.45ms. Allocated memory is still 211.8MB. Free memory was 176.3MB in the beginning and 139.6MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.98ms. Allocated memory is still 211.8MB. Free memory was 139.6MB in the beginning and 130.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.88ms. Allocated memory is still 211.8MB. Free memory was 130.4MB in the beginning and 122.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3447.05ms. Allocated memory was 211.8MB in the beginning and 266.3MB in the end (delta: 54.5MB). Free memory was 121.5MB in the beginning and 211.4MB in the end (delta: -89.8MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. * CodeCheck took 297274.83ms. Allocated memory is still 266.3MB. Free memory was 211.4MB in the beginning and 142.8MB in the end (delta: 68.6MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:45:13,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:45:14,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:45:14,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:45:14,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:45:14,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:45:14,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:45:14,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:45:14,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:45:14,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:45:14,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:45:14,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:45:14,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:45:14,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:45:14,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:45:14,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:45:14,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:45:14,941 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:45:14,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:45:14,942 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:45:14,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:45:14,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:45:14,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:45:14,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:45:14,946 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:45:14,946 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:45:14,947 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:14,947 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:45:14,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:45:14,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:45:14,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:45:14,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:45:14,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:45:14,950 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:45:14,950 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:14,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:45:14,951 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:45:14,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:45:14,951 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d [2023-12-03 00:45:15,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:45:15,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:45:15,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:45:15,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:45:15,285 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:45:15,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2023-12-03 00:45:18,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:45:18,471 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:45:18,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2023-12-03 00:45:18,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/data/3a3a41b93/d72f8ee8ad7c437eb92e66d00ad17f50/FLAG1cec316e2 [2023-12-03 00:45:18,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/data/3a3a41b93/d72f8ee8ad7c437eb92e66d00ad17f50 [2023-12-03 00:45:18,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:45:18,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:45:18,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:45:18,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:45:18,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:45:18,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:45:18" (1/1) ... [2023-12-03 00:45:18,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5b3a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:18, skipping insertion in model container [2023-12-03 00:45:18,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:45:18" (1/1) ... [2023-12-03 00:45:18,606 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:45:19,117 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2023-12-03 00:45:19,217 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2023-12-03 00:45:19,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:45:19,255 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:45:19,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:45:19,308 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2023-12-03 00:45:19,368 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2023-12-03 00:45:19,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:45:19,385 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:45:19,419 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2023-12-03 00:45:19,466 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2023-12-03 00:45:19,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:45:19,516 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:45:19,524 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:45:19,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19 WrapperNode [2023-12-03 00:45:19,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:45:19,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:45:19,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:45:19,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:45:19,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,631 INFO L138 Inliner]: procedures = 211, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1045 [2023-12-03 00:45:19,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:45:19,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:45:19,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:45:19,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:45:19,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:45:19,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:45:19,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:45:19,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:45:19,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:19" (1/1) ... [2023-12-03 00:45:19,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:45:19,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:45:19,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:45:19,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:45:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:45:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:45:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:45:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:45:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:45:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:45:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:45:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:45:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:45:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:45:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:45:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:45:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:45:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:45:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:45:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:45:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:45:20,038 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:45:20,040 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:45:35,975 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:45:36,505 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:45:36,506 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:45:36,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:36 BoogieIcfgContainer [2023-12-03 00:45:36,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:45:36,508 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:45:36,509 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:45:36,519 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:45:36,519 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:36" (1/1) ... [2023-12-03 00:45:36,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:45:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-03 00:45:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-03 00:45:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:45:36,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:36,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:36,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:36,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:36,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:45:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:36,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:36,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:36,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:37,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:45:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-03 00:45:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-03 00:45:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:45:37,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:37,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:37,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:37,052 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:37,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:45:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:37,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:37,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:37,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:37,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:45:37,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 131 states and 213 transitions. [2023-12-03 00:45:37,862 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 213 transitions. [2023-12-03 00:45:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:45:37,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:37,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:37,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:37,865 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:37,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:45:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:38,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:38,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:38,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:38,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:45:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:38,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 131 states and 211 transitions. [2023-12-03 00:45:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 211 transitions. [2023-12-03 00:45:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:45:38,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:38,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:38,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:38,248 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:38,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:45:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:38,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:38,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:38,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:38,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:45:38,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 131 states and 209 transitions. [2023-12-03 00:45:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 209 transitions. [2023-12-03 00:45:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:45:38,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:38,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:38,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:38,662 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:38,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:45:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:39,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:39,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:45:39,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:39,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:45:39,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:45:39,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:45:39,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 00:45:39,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:45:39,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 00:45:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:39,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:45:39,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:39,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 133 states and 212 transitions. [2023-12-03 00:45:39,973 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2023-12-03 00:45:39,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:45:39,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:39,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:39,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:39,976 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:39,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:45:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:40,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:40,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:40,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:40,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:45:40,470 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:45:40,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:40,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 133 states and 210 transitions. [2023-12-03 00:45:40,478 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 210 transitions. [2023-12-03 00:45:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:45:40,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:40,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:40,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:40,481 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:40,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:45:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:40,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:40,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:40,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:40,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:45:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:40,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 133 states and 206 transitions. [2023-12-03 00:45:40,967 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2023-12-03 00:45:40,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:45:40,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:40,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:40,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:40,970 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:40,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:45:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:41,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:41,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:41,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:41,504 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:45:41,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 00:45:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 133 states and 200 transitions. [2023-12-03 00:45:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 200 transitions. [2023-12-03 00:45:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:45:41,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:41,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:41,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:41,536 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:41,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:45:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:41,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:42,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:42,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:42,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:45:43,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 133 states and 194 transitions. [2023-12-03 00:45:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 194 transitions. [2023-12-03 00:45:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:45:43,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:43,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:43,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:43,883 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:43,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:45:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:44,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:44,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:44,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:44,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:45:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 146 states and 209 transitions. [2023-12-03 00:45:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 209 transitions. [2023-12-03 00:45:46,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:45:46,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:46,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:46,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:46,766 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:46,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:45:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:47,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:47,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:47,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:47,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:47,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:45:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 146 states and 207 transitions. [2023-12-03 00:45:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 207 transitions. [2023-12-03 00:45:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 00:45:47,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:47,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:47,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:47,479 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:47,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:45:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:48,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:48,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:48,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:48,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:45:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2023-12-03 00:45:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2023-12-03 00:45:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:45:48,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:48,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:48,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:48,359 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:48,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:45:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:48,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:49,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:45:49,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:49,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 00:45:49,256 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:45:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 146 states and 203 transitions. [2023-12-03 00:45:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 203 transitions. [2023-12-03 00:45:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:45:49,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:49,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:49,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:49,270 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:49,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:45:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:49,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:50,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:50,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:45:50,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:45:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 149 states and 205 transitions. [2023-12-03 00:45:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2023-12-03 00:45:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:45:50,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:50,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:50,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:50,413 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:50,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:45:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:51,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:51,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:51,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:45:51,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:46:03,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:13,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:23,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:33,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:36,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 195 states and 264 transitions. [2023-12-03 00:46:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 264 transitions. [2023-12-03 00:46:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:46:36,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:36,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:36,346 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:36,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:46:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:37,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:37,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:46:37,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:46:37,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:46:37,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 195 states and 262 transitions. [2023-12-03 00:46:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 262 transitions. [2023-12-03 00:46:37,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:46:37,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:37,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:37,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:37,502 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:37,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:46:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:38,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:38,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:46:38,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:46:38,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:46:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 195 states and 258 transitions. [2023-12-03 00:46:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2023-12-03 00:46:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:46:38,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:38,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:38,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:38,719 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:38,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:46:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:39,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:39,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:39,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:40,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:46:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 198 states and 260 transitions. [2023-12-03 00:46:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2023-12-03 00:46:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:46:40,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:40,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:40,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:40,149 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:40,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:46:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:41,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:41,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:46:41,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:41,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:46:41,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-03 00:46:51,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 198 states and 258 transitions. [2023-12-03 00:46:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2023-12-03 00:46:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:46:51,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:51,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:51,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:51,574 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:51,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:46:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:52,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:53,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:53,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:46:53,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:46:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 181 states and 237 transitions. [2023-12-03 00:46:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 237 transitions. [2023-12-03 00:46:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:46:53,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:53,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:53,467 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:53,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:46:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:54,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:54,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:54,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:46:55,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:46:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:46:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:46:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:46:55,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:55,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:55,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:55,389 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:55,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:46:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:56,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:56,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:56,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:46:56,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:46:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:46:56,828 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:46:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:46:56,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:56,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:56,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:56,830 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:56,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:46:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:57,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:58,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:58,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:46:58,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:46:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:46:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:46:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:46:58,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:58,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:58,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:58,263 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:58,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:46:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:59,329 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:59,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:59,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:46:59,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 00:46:59,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:46:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:46:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:46:59,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:59,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:59,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:59,711 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:59,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:47:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:00,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:01,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:01,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:01,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:47:01,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:01,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:01,203 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:01,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:01,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:01,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:01,206 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:01,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:47:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:02,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:02,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:02,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:02,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:47:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:02,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:02,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:02,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:02,786 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:02,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:47:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:03,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:04,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:04,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:04,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:47:04,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:04,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:04,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:04,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:04,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:04,421 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:04,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:47:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:05,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:05,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:05,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:05,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:47:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:05,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:05,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:05,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:05,931 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:05,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:47:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:07,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:07,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:07,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:07,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:47:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:07,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:07,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:07,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:07,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:07,528 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:07,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:47:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:08,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:08,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:08,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:09,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:09,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:09,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:09,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:09,044 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:09,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:47:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:10,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:10,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:10,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:10,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:47:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:10,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:10,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:10,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:10,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:10,589 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:10,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:47:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:11,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:12,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:12,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:12,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:12,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:12,209 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:12,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:12,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:12,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:12,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:12,210 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:12,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:47:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:13,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:14,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:14,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:14,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:47:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:14,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:14,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:14,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:14,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:14,096 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:14,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:47:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:15,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:15,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:15,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:15,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:47:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:15,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:15,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:15,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:15,944 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:15,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:47:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:17,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:17,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:17,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:17,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:17,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:17,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:17,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:17,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:17,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:17,730 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:17,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:47:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:19,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:19,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:19,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:19,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:47:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:19,707 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:19,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:19,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:19,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:19,709 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:19,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:47:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:21,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:21,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:21,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:21,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:21,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:21,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:21,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:21,763 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:21,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:47:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:23,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:23,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:23,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:23,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:47:23,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:23,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:23,797 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:23,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:23,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:23,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:23,798 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:23,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:47:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:25,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:25,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:25,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:25,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:47:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:25,850 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:25,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:25,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:25,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:25,853 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:25,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:47:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:27,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:27,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:27,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:28,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:47:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:28,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:28,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:28,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:28,089 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:28,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:47:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:29,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:30,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:30,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:30,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:47:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:30,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:30,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:30,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:30,429 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:30,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:47:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:32,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:32,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:32,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:32,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:47:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:32,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:32,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:32,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:32,624 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:32,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:47:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:34,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:34,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:34,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:34,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:34,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:34,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:34,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:34,963 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:34,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:47:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:36,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:37,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:37,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:37,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:47:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:37,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:37,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:37,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:37,341 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:37,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:47:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:39,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:39,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:39,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:39,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:47:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:39,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:39,789 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:39,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:39,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:39,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:39,791 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:39,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:47:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:41,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:42,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:42,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:42,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:47:42,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:42,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:42,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:42,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:42,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:42,088 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:42,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:47:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:43,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:44,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:44,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:44,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:47:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:44,378 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:44,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:44,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:44,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:44,379 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:44,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:47:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:46,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:46,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:46,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:46,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:47:46,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:46,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:46,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:46,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:46,680 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:46,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:47:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:48,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:49,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:49,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:49,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:47:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:49,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:49,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:49,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:49,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:49,248 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:49,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:47:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:51,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:51,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:51,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:51,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:47:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:51,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:51,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:51,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:51,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:51,777 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:51,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:47:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:54,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:54,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:54,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:54,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:47:54,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:54,534 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:54,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:54,536 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:54,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:47:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:56,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:57,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:57,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:57,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:47:57,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:57,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:57,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:57,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:57,185 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:57,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:47:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:59,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:59,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:47:59,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:47:59,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:47:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:47:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:47:59,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:59,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:59,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:59,803 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:59,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:48:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:02,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:02,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:02,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:02,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:48:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:02,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:02,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:02,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:02,446 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:02,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:48:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:04,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:05,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:05,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:05,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:05,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:05,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:05,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:05,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:05,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:05,264 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:05,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:48:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:07,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:07,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:07,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:07,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:48:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:07,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:07,975 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:07,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:07,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:07,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:07,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:07,977 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:07,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:48:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:10,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:10,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:10,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:10,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:48:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:10,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:10,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:10,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:10,715 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:10,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:48:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:13,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:13,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:13,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:13,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:48:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:13,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:13,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:13,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:13,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:13,722 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:13,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:48:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:16,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:16,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:16,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:16,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:16,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:48:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:16,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:16,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:16,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:16,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:16,630 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:16,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:48:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:18,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:19,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:19,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:19,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:48:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:19,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:19,377 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:19,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:19,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:19,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:19,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:19,378 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:19,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:48:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:22,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:22,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:22,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:22,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 00:48:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:22,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:22,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:22,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:22,494 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:22,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:48:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:25,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:25,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:25,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:25,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 00:48:25,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:25,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:25,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:25,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:25,610 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:25,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:48:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:28,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:28,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:28,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:28,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:28,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:28,735 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:28,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:28,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:28,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:28,736 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:28,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:48:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:31,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:31,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:31,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:31,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 00:48:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:31,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:31,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:31,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:31,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:31,949 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:31,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:48:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:34,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:34,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:34,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:35,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 00:48:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:35,037 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:35,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:35,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:35,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:35,039 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:35,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:48:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:37,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:38,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:38,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:38,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:38,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:38,266 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:38,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:38,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:38,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:38,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:38,268 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:38,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:48:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:41,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:41,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:41,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:41,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 00:48:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:41,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:41,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:41,613 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:41,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:48:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:44,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:45,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:45,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:45,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 00:48:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:45,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:45,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:45,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:45,167 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:45,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:48:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:48,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:48,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:48,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:48,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 00:48:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:48,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:48,506 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:48,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:48,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:48,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:48,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:48,507 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:48,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:48:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:51,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:51,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:51,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:51,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 00:48:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:51,906 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:51,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:51,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:51,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:51,908 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:51,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:48:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:55,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:55,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:55,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:55,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 00:48:55,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:55,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:55,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:55,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:55,485 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:55,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:48:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:58,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:58,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:58,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:58,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:48:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:58,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:48:58,617 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:48:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:48:58,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:58,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:58,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:58,618 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:58,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:49:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:01,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:02,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:02,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:02,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 00:49:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:02,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:02,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:02,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:02,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:02,238 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:02,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:49:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:05,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:05,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:05,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:05,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 00:49:05,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:05,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:05,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:05,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:05,786 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:05,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:49:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:08,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:09,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:09,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:09,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2023-12-03 00:49:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:09,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:09,392 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:09,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:09,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:09,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:09,394 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:09,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:49:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:12,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:12,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:12,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:12,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:49:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:12,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:12,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:12,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:12,970 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:12,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:49:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:16,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:16,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:16,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:16,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 00:49:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:16,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:16,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:16,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:16,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:16,621 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:16,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:49:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:19,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:19,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:19,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:19,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 00:49:20,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:20,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:20,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:20,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:20,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:20,007 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:20,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:49:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:23,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:23,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:23,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:23,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:49:23,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:23,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:23,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:23,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:23,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:23,960 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:23,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:49:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:27,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:27,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:27,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:27,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:27,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 00:49:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:27,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:27,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:27,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:27,693 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:27,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:49:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:31,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:31,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:31,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:31,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 00:49:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:31,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:31,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:31,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:31,747 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:31,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:49:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:36,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:36,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:36,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:36,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:49:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:36,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:36,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:36,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:36,811 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:36,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:49:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:40,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:41,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:41,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:41,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2023-12-03 00:49:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:41,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:41,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:41,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:41,517 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:41,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:49:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:45,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:46,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:46,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:46,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 00:49:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:46,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:46,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:46,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:46,344 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:46,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:49:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:50,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:51,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:51,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:51,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 00:49:51,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:51,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:51,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:51,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:51,273 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:51,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:49:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:55,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:55,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:49:55,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:49:56,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 00:49:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:56,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:49:56,045 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:49:56,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:49:56,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:56,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:56,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:56,047 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:56,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:49:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:59,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:00,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:00,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:00,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 00:50:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:00,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:00,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:00,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:00,426 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:00,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 00:50:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:04,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:04,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:04,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:04,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 00:50:04,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:04,848 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:04,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:04,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:04,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:04,850 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:04,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 00:50:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:08,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:09,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:09,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:09,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 00:50:09,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:09,287 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:09,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:09,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:09,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:09,288 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:09,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 00:50:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:13,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:13,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:13,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:13,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 00:50:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:13,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:13,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:13,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:13,769 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:13,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 00:50:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:17,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:18,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:18,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:18,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 00:50:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:18,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:18,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:18,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:18,459 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:18,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 00:50:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:22,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:23,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:23,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:23,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 00:50:23,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:23,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:23,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:23,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:23,128 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:23,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 00:50:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:27,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:27,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:27,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:27,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 00:50:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:27,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:27,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:27,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:27,697 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:27,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 00:50:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:31,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:32,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:32,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:32,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 00:50:32,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:32,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:32,354 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:32,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:32,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:32,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:32,355 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:32,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 00:50:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:36,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:36,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:36,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:36,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 00:50:36,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:36,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:36,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:36,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:36,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:36,838 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:36,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 00:50:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:41,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:41,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:41,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:41,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:41,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 00:50:41,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:41,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:41,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:41,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:41,820 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:41,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 00:50:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:46,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:46,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:46,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:46,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 00:50:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:46,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:46,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:46,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:46,572 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:46,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 00:50:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:51,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:51,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:51,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:51,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:51,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 00:50:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:51,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:51,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:51,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:51,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:51,482 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:51,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 00:50:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:55,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:56,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:56,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:56,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 00:50:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:50:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:50:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:50:56,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:56,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:56,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:56,205 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:56,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 00:51:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:00,863 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:01,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:01,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:01,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 00:51:01,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:01,293 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:01,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:01,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:01,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:01,295 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:01,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 00:51:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:05,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:06,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:06,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:06,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 00:51:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:06,234 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:06,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:06,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:06,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:06,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:06,235 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:06,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 00:51:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:10,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:11,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:11,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:11,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 00:51:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:11,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:11,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:11,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:11,174 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:11,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 00:51:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:15,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:16,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:16,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:16,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 00:51:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:16,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:16,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:16,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:16,329 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:16,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 00:51:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:20,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:21,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:21,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:21,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 00:51:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:21,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:21,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:21,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:21,134 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:21,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 00:51:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:25,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:25,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:25,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:25,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 00:51:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:25,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:25,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:25,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:25,523 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:25,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 00:51:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:30,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:30,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:30,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:30,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 00:51:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:30,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:30,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:30,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:30,736 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:30,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 00:51:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:35,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:35,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:35,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:35,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2023-12-03 00:51:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:35,822 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:35,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:35,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:35,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:35,824 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:35,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 00:51:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:40,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:41,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:41,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:41,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:41,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 00:51:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:41,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:41,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:41,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:41,263 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:41,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 00:51:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:45,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:46,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:46,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:46,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 00:51:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:46,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:46,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:46,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:46,410 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:46,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 00:51:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:51,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:51,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:51,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:51,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 00:51:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:51,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:51,559 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:51,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:51,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:51,560 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:51,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 00:51:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:56,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:56,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:56,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:56,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 00:51:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:51:56,659 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:51:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:51:56,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:56,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:56,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:56,661 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:56,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 00:52:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:01,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:01,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:01,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:01,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 00:52:01,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:01,718 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:01,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:01,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:01,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:01,720 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:01,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 00:52:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:06,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:06,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:06,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:06,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 00:52:06,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:06,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:06,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:06,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:06,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:06,840 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:06,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 00:52:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:11,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:11,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:11,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:11,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:11,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 00:52:11,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:11,791 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:11,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:11,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:11,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:11,793 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:11,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 00:52:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:16,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:16,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:16,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:16,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 00:52:16,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:16,870 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:16,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:16,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:16,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:16,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:16,871 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:16,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 00:52:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:21,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:22,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:22,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:22,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 00:52:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:22,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:22,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:22,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:22,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:22,113 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:22,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 00:52:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:26,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:27,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:27,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:27,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 00:52:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:27,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:27,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:27,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:27,276 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:27,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 00:52:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:32,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:32,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:32,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:32,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 00:52:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:32,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:32,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:32,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:32,539 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:32,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 00:52:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:37,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:37,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:37,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:37,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 00:52:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:37,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:37,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:37,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:37,780 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:37,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 00:52:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:42,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:42,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:42,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:42,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 00:52:42,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:42,730 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:42,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:42,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:42,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:42,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:42,732 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:42,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 00:52:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:47,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:48,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:48,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:48,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 00:52:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:48,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:48,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:48,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:48,216 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:48,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 00:52:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:53,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:53,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:53,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:53,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 00:52:53,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:53,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:53,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:53,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:53,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:53,577 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:53,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 00:52:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:58,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:58,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:52:58,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:58,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 00:52:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:52:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:52:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:52:58,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:58,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:58,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:58,712 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:58,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 00:53:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:04,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:04,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:04,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:04,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 00:53:04,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:04,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:04,485 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:04,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:04,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:04,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:04,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:04,486 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:04,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 00:53:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:09,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:10,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:10,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:10,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 00:53:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:10,243 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:10,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:10,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:10,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:10,244 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:10,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 00:53:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:15,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:16,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:16,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:16,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 00:53:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:16,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:16,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:16,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:16,121 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:16,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 00:53:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:21,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:21,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:21,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:21,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 00:53:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:21,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:21,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:21,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:21,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:21,852 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:21,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 00:53:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:27,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:27,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:27,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:27,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:27,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 00:53:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:27,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:27,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:27,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:27,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:27,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:27,945 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:27,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 00:53:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:33,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:33,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:33,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:33,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 00:53:33,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:33,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:33,609 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:33,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:33,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:33,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:33,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:33,610 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:33,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 00:53:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:39,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:39,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:39,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:39,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 00:53:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:39,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:39,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:39,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:39,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:39,514 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:39,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 00:53:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:44,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:45,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:45,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:45,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 00:53:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:45,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:45,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:45,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:45,403 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:45,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 00:53:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:50,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:50,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:50,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:50,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 00:53:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:51,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:51,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:51,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:51,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:51,002 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:51,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 00:53:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:56,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:56,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:56,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:56,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 00:53:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 234 transitions. [2023-12-03 00:53:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2023-12-03 00:53:56,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:56,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:56,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:56,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:56,820 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:56,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ded9b1-45b7-46b8-a006-c3e7ba8e57ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process