./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:17:04,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:17:04,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:17:04,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:17:04,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:17:04,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:17:04,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:17:04,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:17:04,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:17:04,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:17:04,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:17:04,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:17:04,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:17:04,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:17:04,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:17:04,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:17:04,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:17:04,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:17:04,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:17:04,505 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:17:04,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:17:04,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:17:04,510 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:17:04,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:17:04,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:17:04,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:17:04,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:17:04,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:17:04,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:17:04,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:17:04,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:17:04,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:17:04,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:17:04,514 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 [2023-12-03 00:17:04,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:17:04,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:17:04,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:17:04,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:17:04,735 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:17:04,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2023-12-03 00:17:07,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:17:07,762 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:17:07,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2023-12-03 00:17:07,779 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/data/d464d4c9c/0e4e429e5d94428a81c291daab05c3b3/FLAGcc922253a [2023-12-03 00:17:07,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/data/d464d4c9c/0e4e429e5d94428a81c291daab05c3b3 [2023-12-03 00:17:07,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:17:07,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:17:07,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:17:07,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:17:07,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:17:07,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:17:07" (1/1) ... [2023-12-03 00:17:07,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187e9fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:07, skipping insertion in model container [2023-12-03 00:17:07,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:17:07" (1/1) ... [2023-12-03 00:17:07,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:17:08,161 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2023-12-03 00:17:08,252 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2023-12-03 00:17:08,254 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2023-12-03 00:17:08,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:17:08,275 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:17:08,305 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2023-12-03 00:17:08,356 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2023-12-03 00:17:08,357 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2023-12-03 00:17:08,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:17:08,389 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:17:08,395 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:17:08,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08 WrapperNode [2023-12-03 00:17:08,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:17:08,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:17:08,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:17:08,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:17:08,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,505 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1329 [2023-12-03 00:17:08,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:17:08,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:17:08,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:17:08,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:17:08,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:17:08,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:17:08,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:17:08,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:17:08,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:17:08" (1/1) ... [2023-12-03 00:17:08,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:17:08,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:17:08,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:17:08,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:17:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:17:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:17:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:17:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:17:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:17:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:17:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:17:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:17:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:17:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:17:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:17:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:17:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:17:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:17:08,874 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:17:08,876 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:17:10,124 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:17:11,585 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:17:11,585 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:17:11,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:17:11 BoogieIcfgContainer [2023-12-03 00:17:11,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:17:11,588 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:17:11,588 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:17:11,598 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:17:11,598 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:17:11" (1/1) ... [2023-12-03 00:17:11,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:17:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-12-03 00:17:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-12-03 00:17:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:17:11,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:11,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:11,823 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 00:17:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2023-12-03 00:17:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2023-12-03 00:17:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:17:11,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:11,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:11,987 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 00:17:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:12,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2023-12-03 00:17:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2023-12-03 00:17:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:17:12,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:12,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:12,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:12,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:12,147 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 00:17:12,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:12,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2023-12-03 00:17:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2023-12-03 00:17:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:17:12,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:12,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:12,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:12,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:12,258 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 00:17:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:12,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 118 states and 191 transitions. [2023-12-03 00:17:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 191 transitions. [2023-12-03 00:17:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:17:12,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:12,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:12,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:12,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:12,372 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 00:17:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:12,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 118 states and 185 transitions. [2023-12-03 00:17:12,379 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2023-12-03 00:17:12,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:17:12,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:12,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:12,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:12,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:12,521 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 00:17:22,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:17:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 118 states and 177 transitions. [2023-12-03 00:17:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2023-12-03 00:17:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:17:22,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:22,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:22,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:17:22,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:33,207 WARN L539 Checker$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 00:17:43,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:17:53,284 WARN L539 Checker$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 00:18:03,317 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 00:18:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 131 states and 192 transitions. [2023-12-03 00:18:03,362 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 192 transitions. [2023-12-03 00:18:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:18:03,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:03,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:03,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:03,571 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 00:18:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 131 states and 190 transitions. [2023-12-03 00:18:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2023-12-03 00:18:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:18:03,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:03,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:03,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:03,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:03,842 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 00:18:13,853 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 00:18:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 131 states and 188 transitions. [2023-12-03 00:18:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2023-12-03 00:18:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:18:13,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:13,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:14,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:18:14,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:14,257 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 00:18:24,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:18:34,301 WARN L539 Checker$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 00:18:44,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:18:54,405 WARN L539 Checker$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 00:18:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 134 states and 190 transitions. [2023-12-03 00:18:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2023-12-03 00:18:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:18:54,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:54,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:54,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:18:54,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:54,789 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 11 treesize of output 7 [2023-12-03 00:18:54,811 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 00:18:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 136 states and 194 transitions. [2023-12-03 00:18:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 194 transitions. [2023-12-03 00:18:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:18:54,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:54,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:55,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:55,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:55,108 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 00:18:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:55,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 136 states and 191 transitions. [2023-12-03 00:18:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 191 transitions. [2023-12-03 00:18:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:18:55,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:55,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:55,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:55,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:55,384 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 00:18:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:55,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 136 states and 187 transitions. [2023-12-03 00:18:55,393 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2023-12-03 00:18:55,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:18:55,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:55,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:55,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:55,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:55,663 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 00:18:55,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 136 states and 185 transitions. [2023-12-03 00:18:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-12-03 00:18:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:18:55,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:55,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:55,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:55,932 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 00:19:05,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:05,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 136 states and 183 transitions. [2023-12-03 00:19:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 183 transitions. [2023-12-03 00:19:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:19:05,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:05,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:19:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:06,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:19:06,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:19:16,529 WARN L539 Checker$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 00:19:26,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:36,589 WARN L539 Checker$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 00:19:46,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:57,522 WARN L539 Checker$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 00:20:07,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:17,583 WARN L539 Checker$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 00:20:27,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 182 states and 243 transitions. [2023-12-03 00:20:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 243 transitions. [2023-12-03 00:20:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:20:27,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:27,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:20:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:27,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:20:27,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:20:37,953 WARN L539 Checker$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 00:20:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 182 states and 241 transitions. [2023-12-03 00:20:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2023-12-03 00:20:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:20:37,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:37,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:20:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:38,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:20:38,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:38,286 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 00:20:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 182 states and 237 transitions. [2023-12-03 00:20:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 237 transitions. [2023-12-03 00:20:38,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:20:38,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:38,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:20:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:38,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:20:38,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:38,737 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 00:20:48,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:58,781 WARN L539 Checker$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 00:21:08,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:18,852 WARN L539 Checker$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 00:21:18,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 165 states and 216 transitions. [2023-12-03 00:21:18,909 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2023-12-03 00:21:18,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:21:18,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:18,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:19,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:21:19,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:19,253 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 00:21:29,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:39,299 WARN L539 Checker$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 00:21:49,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:59,357 WARN L539 Checker$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 00:21:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:59,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 168 states and 218 transitions. [2023-12-03 00:21:59,391 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2023-12-03 00:21:59,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:21:59,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:59,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:59,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:21:59,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:59,662 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 00:21:59,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 168 states and 216 transitions. [2023-12-03 00:21:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 216 transitions. [2023-12-03 00:21:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:21:59,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:59,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:22:10,032 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 00:22:10,035 INFO L158 Benchmark]: Toolchain (without parser) took 302239.59ms. Allocated memory was 155.2MB in the beginning and 274.7MB in the end (delta: 119.5MB). Free memory was 105.5MB in the beginning and 97.4MB in the end (delta: 8.0MB). Peak memory consumption was 128.7MB. Max. memory is 16.1GB. [2023-12-03 00:22:10,035 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:22:10,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.40ms. Allocated memory is still 155.2MB. Free memory was 105.0MB in the beginning and 72.4MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 00:22:10,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.39ms. Allocated memory is still 155.2MB. Free memory was 72.4MB in the beginning and 120.7MB in the end (delta: -48.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-12-03 00:22:10,036 INFO L158 Benchmark]: Boogie Preprocessor took 106.60ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 112.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:22:10,037 INFO L158 Benchmark]: RCFGBuilder took 2950.24ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 111.9MB in the beginning and 148.6MB in the end (delta: -36.8MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. [2023-12-03 00:22:10,038 INFO L158 Benchmark]: CodeCheck took 298446.34ms. Allocated memory was 201.3MB in the beginning and 274.7MB in the end (delta: 73.4MB). Free memory was 148.6MB in the beginning and 97.4MB in the end (delta: 51.2MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2023-12-03 00:22:10,040 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 0.16ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.40ms. Allocated memory is still 155.2MB. Free memory was 105.0MB in the beginning and 72.4MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.39ms. Allocated memory is still 155.2MB. Free memory was 72.4MB in the beginning and 120.7MB in the end (delta: -48.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.60ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 112.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2950.24ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 111.9MB in the beginning and 148.6MB in the end (delta: -36.8MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. * CodeCheck took 298446.34ms. Allocated memory was 201.3MB in the beginning and 274.7MB in the end (delta: 73.4MB). Free memory was 148.6MB in the beginning and 97.4MB in the end (delta: 51.2MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:22:10,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:22:11,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:22:11,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:22:11,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:22:11,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:22:11,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:22:11,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:22:11,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:22:11,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:22:11,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:22:11,991 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:22:11,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:22:11,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:22:11,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:22:11,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:22:11,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:22:11,995 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:22:11,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:22:11,996 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:22:11,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:22:11,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:22:11,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:22:11,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:22:11,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:22:11,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:22:11,999 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:12,000 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:22:12,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:22:12,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:22:12,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:22:12,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:22:12,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:22:12,003 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:22:12,003 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:12,003 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:22:12,004 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:22:12,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:22:12,004 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 [2023-12-03 00:22:12,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:22:12,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:22:12,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:22:12,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:22:12,319 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:22:12,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2023-12-03 00:22:15,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:22:15,418 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:22:15,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2023-12-03 00:22:15,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/data/3783bdb3c/d7de68ad4e29490cbf6f46c4574f7e69/FLAGc5f8702fc [2023-12-03 00:22:15,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/data/3783bdb3c/d7de68ad4e29490cbf6f46c4574f7e69 [2023-12-03 00:22:15,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:22:15,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:22:15,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:22:15,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:22:15,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:22:15,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:15" (1/1) ... [2023-12-03 00:22:15,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7140087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:15, skipping insertion in model container [2023-12-03 00:22:15,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:15" (1/1) ... [2023-12-03 00:22:15,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:22:15,857 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2023-12-03 00:22:15,962 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2023-12-03 00:22:15,963 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2023-12-03 00:22:15,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:22:15,984 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:22:15,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:22:16,013 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2023-12-03 00:22:16,061 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2023-12-03 00:22:16,062 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2023-12-03 00:22:16,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:22:16,069 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:22:16,096 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[33021,33034] [2023-12-03 00:22:16,131 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44124,44137] [2023-12-03 00:22:16,132 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_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i[44245,44258] [2023-12-03 00:22:16,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:22:16,169 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:22:16,177 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:22:16,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16 WrapperNode [2023-12-03 00:22:16,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:22:16,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:22:16,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:22:16,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:22:16,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,286 INFO L138 Inliner]: procedures = 179, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2023-12-03 00:22:16,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:22:16,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:22:16,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:22:16,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:22:16,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:22:16,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:22:16,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:22:16,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:22:16,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:16" (1/1) ... [2023-12-03 00:22:16,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:22:16,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:22:16,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:22:16,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:22:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:22:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:22:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:22:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:22:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:22:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:22:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:22:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:22:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:22:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:22:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:22:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:22:16,646 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:22:16,648 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:22:32,008 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:22:32,399 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:22:32,400 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:22:32,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:32 BoogieIcfgContainer [2023-12-03 00:22:32,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:22:32,402 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:22:32,402 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:22:32,409 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:22:32,410 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:32" (1/1) ... [2023-12-03 00:22:32,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:22:32,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:32,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-12-03 00:22:32,466 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-12-03 00:22:32,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:22:32,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:32,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:32,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:32,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:32,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:22:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:32,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:32,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:32,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:32,838 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 00:22:32,866 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:22:32,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:22:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2023-12-03 00:22:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2023-12-03 00:22:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:22:32,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:32,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:32,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:32,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:32,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:22:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:33,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:33,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:22:33,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:33,406 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 00:22:33,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:22:33,409 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:22:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2023-12-03 00:22:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2023-12-03 00:22:33,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:22:33,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:33,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:33,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:33,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:33,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:22:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:34,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:34,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:34,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:34,075 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 00:22:34,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:22:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:34,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 123 states and 201 transitions. [2023-12-03 00:22:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2023-12-03 00:22:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:22:34,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:34,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:34,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:34,091 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:34,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:22:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:34,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:34,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:34,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:34,414 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 00:22:34,417 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:22:34,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:22:34,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2023-12-03 00:22:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2023-12-03 00:22:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:22:34,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:34,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:34,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:34,429 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:34,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:22:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:34,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:34,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:34,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:34,841 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 00:22:34,844 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:22:34,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:22:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 123 states and 195 transitions. [2023-12-03 00:22:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2023-12-03 00:22:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:22:34,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:34,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:34,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:34,857 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:34,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:22:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:35,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:35,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:35,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:35,192 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 00:22:35,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:22:35,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2023-12-03 00:22:35,203 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-12-03 00:22:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:22:35,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:35,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:35,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:35,206 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:35,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:22:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:35,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:35,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:35,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:35,567 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 00:22:35,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:22:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 123 states and 189 transitions. [2023-12-03 00:22:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2023-12-03 00:22:35,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:22:35,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:35,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:35,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:35,587 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:35,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:22:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:35,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:35,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:35,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:35,890 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 00:22:35,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:22:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:35,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2023-12-03 00:22:35,923 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2023-12-03 00:22:35,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:22:35,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:35,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:35,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:35,926 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:35,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:22:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:36,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:36,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:22:36,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:36,393 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:22:36,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:22:36,395 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:22:36,405 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 00:22:36,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:22:36,514 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 00:22:36,551 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 00:22:36,556 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:22:36,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 00:22:37,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 125 states and 190 transitions. [2023-12-03 00:22:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 190 transitions. [2023-12-03 00:22:37,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:22:37,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:37,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:37,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:37,291 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:37,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:22:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:37,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:37,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:37,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:37,749 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 00:22:37,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:22:37,754 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Stream closed [2023-12-03 00:22:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 125 states and 184 transitions. [2023-12-03 00:22:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 184 transitions. [2023-12-03 00:22:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:22:37,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:37,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:37,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:37,786 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:37,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:22:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:38,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:38,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:38,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:38,326 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 00:22:38,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-03 00:22:40,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:40,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 125 states and 178 transitions. [2023-12-03 00:22:40,682 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2023-12-03 00:22:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:22:40,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:40,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:40,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:40,685 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:40,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:22:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:41,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:41,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:41,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:41,459 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 00:22:41,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 00:22:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 189 transitions. [2023-12-03 00:22:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 189 transitions. [2023-12-03 00:22:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:22:41,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:41,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:41,764 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:41,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:22:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:42,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:42,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:42,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:42,350 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 00:22:42,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:22:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:42,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 136 states and 187 transitions. [2023-12-03 00:22:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2023-12-03 00:22:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:22:42,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:42,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:42,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:42,366 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:42,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:22:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:42,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:43,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:43,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:43,024 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 00:22:43,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:22:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 136 states and 185 transitions. [2023-12-03 00:22:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-12-03 00:22:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:22:43,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:43,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:43,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:43,042 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:43,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:22:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:43,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:43,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:43,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:43,833 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 00:22:43,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 00:22:43,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:43,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 136 states and 183 transitions. [2023-12-03 00:22:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 183 transitions. [2023-12-03 00:22:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:22:43,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:43,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:43,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:43,848 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:43,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:22:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:44,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:44,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:44,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:44,796 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 00:22:44,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:22:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:44,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:44,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:44,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:44,822 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:44,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:22:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:45,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:45,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:45,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:45,912 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 00:22:45,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:22:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:46,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:46,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:46,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:46,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:46,036 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:46,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:22:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:46,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:46,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:46,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:46,944 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 00:22:46,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:22:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:46,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:46,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:46,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:46,962 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:46,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:22:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:47,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:47,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:47,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:47,920 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 00:22:47,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:22:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:47,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:47,936 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:47,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:47,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:47,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:47,938 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:47,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:22:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:48,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:49,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:49,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:49,016 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 00:22:49,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:22:49,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:49,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:49,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:49,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:49,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:49,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:49,039 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:49,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:22:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:49,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:50,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:50,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:50,109 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 00:22:50,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:22:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:50,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:50,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:50,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:50,125 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:50,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:22:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:50,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:51,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:51,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:51,215 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 00:22:51,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:22:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:51,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:51,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:51,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:51,234 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:51,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:22:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:52,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:52,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:52,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:52,314 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 00:22:52,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:22:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:52,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:52,336 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:52,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:52,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:52,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:52,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:52,337 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:52,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:22:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:53,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:53,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:53,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:53,528 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 00:22:53,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:22:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:53,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:53,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:53,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:53,547 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:53,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:22:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:54,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:54,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:54,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:54,783 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 00:22:54,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:22:54,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:54,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:54,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:54,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:54,803 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:54,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:22:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:55,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:56,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:56,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:56,148 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 00:22:56,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:22:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:56,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:56,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:56,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:56,172 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:56,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:22:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:57,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:57,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:57,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:57,487 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 00:22:57,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:22:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:57,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:57,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:57,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:57,507 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:57,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:22:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:58,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:58,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:22:58,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:58,789 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 00:22:58,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:22:58,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:58,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:22:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:22:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:22:58,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:58,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:58,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:58,810 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:58,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:22:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:59,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:00,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:00,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:00,212 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 00:23:00,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 00:23:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:00,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:00,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:00,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:00,234 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:00,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:23:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:01,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:01,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:01,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:01,701 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 00:23:01,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:23:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:01,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:01,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:01,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:01,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:01,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:01,724 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:01,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:23:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:02,912 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:03,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:03,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:03,221 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 00:23:03,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:23:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:03,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:03,243 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:03,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:03,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:03,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:03,245 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:03,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:23:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:04,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:04,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:04,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:04,792 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 00:23:04,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:23:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:04,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:04,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:04,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:04,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:04,818 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:04,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:23:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:06,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:06,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:06,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:06,366 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 00:23:06,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 00:23:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:06,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:06,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:06,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:06,391 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:06,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:23:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:07,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:07,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:07,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:07,925 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 00:23:07,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:23:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:07,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:07,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:07,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:07,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:07,955 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:07,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:23:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:09,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:09,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:09,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:09,682 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 00:23:09,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:23:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:09,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:09,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:09,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:09,709 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:09,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:23:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:11,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:11,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:11,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:11,517 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 00:23:11,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:23:11,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:11,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:11,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:11,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:11,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:11,543 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:11,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:23:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:13,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:13,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:13,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:13,335 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 00:23:13,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:23:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:13,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:13,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:13,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:13,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:13,363 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:13,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:23:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:14,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:15,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:15,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:15,246 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 00:23:15,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:23:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:15,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:15,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:15,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:15,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:15,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:15,274 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:15,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:23:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:16,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:16,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:16,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:17,003 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 00:23:17,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:23:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:17,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:17,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:17,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:17,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:17,034 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:17,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:23:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:18,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:18,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:18,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:18,904 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 00:23:18,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:23:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:18,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:18,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:18,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:18,934 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:18,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:23:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:20,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:20,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:20,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:20,668 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 00:23:20,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:23:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:20,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:20,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:20,700 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:20,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:23:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:22,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:22,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:22,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:22,672 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 00:23:22,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:23:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:22,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:22,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:22,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:22,705 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:22,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:23:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:24,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:24,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:24,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:24,718 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 00:23:24,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:23:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:24,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:24,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:24,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:24,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:24,750 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:24,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:23:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:26,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:26,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:26,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:26,740 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 00:23:26,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:23:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:26,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:26,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:26,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:26,774 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:26,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:23:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:28,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:28,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:28,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:28,936 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 00:23:28,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:23:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:28,973 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:28,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:28,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:28,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:28,974 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:28,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:23:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:30,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:31,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:31,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:31,140 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 00:23:31,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:23:31,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:31,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:31,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:31,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:31,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:31,174 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:31,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:23:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:33,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:33,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:33,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:33,349 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 00:23:33,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:23:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:33,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:33,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:33,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:33,388 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:33,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:23:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:35,329 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:35,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:35,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:35,635 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 00:23:35,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:23:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:35,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:35,669 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:35,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:35,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:35,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:35,671 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:35,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:23:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:37,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:37,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:37,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:37,969 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 00:23:37,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:23:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:38,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:38,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:38,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:38,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:38,005 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:38,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:23:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:39,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:40,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:40,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:40,312 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 00:23:40,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:23:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:40,348 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:40,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:40,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:40,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:40,349 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:40,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:23:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:42,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:42,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:42,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:42,698 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 00:23:42,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:23:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:42,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:42,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:42,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:42,737 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:42,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:23:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:44,785 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:45,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:45,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:45,106 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 00:23:45,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:23:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:45,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:45,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:45,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:45,145 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:45,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:23:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:47,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:47,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:47,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:47,468 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 00:23:47,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:23:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:47,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:47,506 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:47,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:47,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:47,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:47,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:47,508 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:47,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:23:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:49,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:49,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:49,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:49,940 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 00:23:49,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:23:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:49,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:49,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:49,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:49,981 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:49,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:23:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:52,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:52,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:52,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:52,392 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 00:23:52,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:23:52,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:52,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:52,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:52,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:52,434 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:52,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:23:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:54,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:54,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:54,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:54,945 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 00:23:54,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:23:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:54,985 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:54,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:54,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:54,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:54,987 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:54,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:23:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:57,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:57,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:23:57,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:57,470 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 00:23:57,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:23:57,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:23:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:23:57,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:57,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:57,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:57,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:57,514 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:57,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:23:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:59,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:00,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:00,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:00,240 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 00:24:00,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:24:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:00,297 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:00,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:00,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:00,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:00,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:00,299 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:00,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:24:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:02,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:02,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:02,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:02,882 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 00:24:02,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:24:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:02,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:02,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:02,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:02,909 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:02,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:24:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:05,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:05,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:05,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:05,373 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 00:24:05,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:24:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:05,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:05,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:05,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:05,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:05,401 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:05,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:24:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:08,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:08,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:08,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:08,329 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 00:24:08,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 00:24:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:08,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:08,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:08,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:08,357 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:08,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:24:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:10,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:11,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:11,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:11,079 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 00:24:11,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2023-12-03 00:24:11,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:11,109 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:11,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:11,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:11,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:11,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:11,110 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:11,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:24:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:13,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:13,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:13,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:13,981 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 00:24:14,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 00:24:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:14,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:14,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:14,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:14,028 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:14,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:24:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:16,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:16,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:16,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:17,006 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 00:24:17,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 00:24:17,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:17,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:17,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:17,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:17,036 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:17,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:24:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:19,604 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:19,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:19,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:19,942 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 00:24:19,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 00:24:19,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:19,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:19,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:19,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:19,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:19,972 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:19,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:24:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:22,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:22,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:22,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:22,841 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 00:24:22,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 00:24:22,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:22,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:22,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:22,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:22,874 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:22,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:24:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:25,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:25,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:25,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:25,771 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 00:24:25,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 00:24:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:25,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:25,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:25,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:25,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:25,801 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:25,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:24:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:28,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:28,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:28,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:28,691 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 00:24:28,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 00:24:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:28,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:28,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:28,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:28,722 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:28,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:24:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:31,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:31,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:31,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:31,792 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 00:24:31,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2023-12-03 00:24:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:31,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:31,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:31,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:31,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:31,824 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:31,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:24:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:34,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:34,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:34,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:34,976 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 00:24:34,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2023-12-03 00:24:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:35,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:35,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:35,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:35,006 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:35,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:24:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:37,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:38,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:38,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:38,023 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 00:24:38,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 00:24:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:38,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:38,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:38,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:38,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:38,055 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:38,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:24:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:40,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:41,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:41,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:41,295 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 00:24:41,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:24:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:41,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:41,326 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:41,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:41,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:41,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:41,327 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:41,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:24:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:44,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:44,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:44,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:44,341 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 00:24:44,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 00:24:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:44,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:44,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:44,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:44,373 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:44,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:24:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:47,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:47,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:47,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:47,689 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 00:24:47,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 00:24:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:47,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:47,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:47,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:47,721 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:47,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:24:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:50,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:51,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:51,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:51,159 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 00:24:51,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 00:24:51,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:51,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:51,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:51,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:51,200 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:51,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:24:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:54,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:54,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:54,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:54,501 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 00:24:54,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:24:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:54,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:54,536 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:54,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:24:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:57,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:57,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:24:57,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:57,959 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 00:24:57,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 00:24:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:24:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:24:57,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:24:57,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:57,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:57,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:57,992 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:57,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:25:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:00,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:00,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:00,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:01,002 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 00:25:01,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 00:25:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:01,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:01,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:01,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:01,035 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:01,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:25:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:04,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:04,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:04,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:04,511 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 00:25:04,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:25:04,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:04,543 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:04,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:04,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:04,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:04,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:04,544 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:04,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:25:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:07,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:07,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:07,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:07,977 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 00:25:08,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 00:25:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:08,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:08,011 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:08,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:08,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:08,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:08,012 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:08,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:25:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:11,081 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:11,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:11,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:11,418 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 00:25:11,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 00:25:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:11,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:11,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:11,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:11,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:11,453 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:11,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:25:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:14,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:14,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:14,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:14,736 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 00:25:14,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:25:14,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:14,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:14,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:14,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:14,773 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:14,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:25:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:18,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:18,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:18,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:18,535 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 00:25:18,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 00:25:18,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:18,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:18,570 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:18,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:18,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:18,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:18,572 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:18,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:25:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:21,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:22,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:22,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:22,062 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 00:25:22,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 00:25:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:22,099 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:22,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:22,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:22,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:22,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:22,100 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:22,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:25:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:25,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:25,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:25,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:25,733 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 00:25:25,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 00:25:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:25,770 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:25,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:25,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:25,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:25,771 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:25,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:25:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:29,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:29,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:29,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:29,458 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 00:25:29,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 00:25:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:29,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:29,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:29,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:29,495 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:29,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:25:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:32,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:33,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:33,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:33,296 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 00:25:33,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 00:25:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:33,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:33,332 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:33,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:33,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:33,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:33,333 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:33,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 00:25:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:36,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:37,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:37,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:37,148 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 00:25:37,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 00:25:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:37,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:37,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:37,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:37,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:37,186 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:37,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 00:25:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:40,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:41,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:41,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:41,033 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 00:25:41,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 00:25:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:41,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:41,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:41,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:41,071 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:41,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 00:25:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:44,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:45,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:45,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:45,031 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 00:25:45,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 00:25:45,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:45,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:45,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:45,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:45,069 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:45,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 00:25:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:48,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:49,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:49,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:49,067 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 00:25:49,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 00:25:49,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:49,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:49,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:49,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:49,107 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:49,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 00:25:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:52,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:53,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:53,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:53,079 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 00:25:53,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 00:25:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:53,117 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:53,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:53,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:53,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:53,118 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:53,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 00:25:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:56,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:57,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:25:57,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:57,020 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 00:25:57,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 00:25:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:25:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:25:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:25:57,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:57,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:57,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:57,060 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:57,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 00:26:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:00,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:01,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:01,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:01,108 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 00:26:01,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 00:26:01,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:01,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:01,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:01,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:01,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:01,147 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:01,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 00:26:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:04,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:05,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:05,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:05,245 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 00:26:05,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 00:26:05,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:05,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:05,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:05,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:05,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:05,285 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:05,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 00:26:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:09,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:09,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:09,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:09,345 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 00:26:09,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 00:26:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:09,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:09,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:09,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:09,387 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:09,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 00:26:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:13,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:13,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:13,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:13,357 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 00:26:13,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 00:26:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:13,397 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:13,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:13,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:13,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:13,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:13,398 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:13,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 00:26:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:17,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:17,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:17,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:17,667 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 00:26:17,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 00:26:17,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:17,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:17,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:17,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:17,708 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:17,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 00:26:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:21,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:21,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:21,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:21,998 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 00:26:22,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 00:26:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:22,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:22,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:22,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:22,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:22,043 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:22,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 00:26:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:25,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:26,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:26,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:26,124 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 00:26:26,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 00:26:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:26,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:26,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:26,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:26,166 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:26,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 00:26:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:30,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:30,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:30,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:30,556 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 00:26:30,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 00:26:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:30,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:30,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:30,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:30,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:30,599 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:30,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 00:26:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:34,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:35,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:35,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:35,030 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 00:26:35,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 00:26:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:35,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:35,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:35,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:35,073 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:35,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 00:26:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:39,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:39,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:39,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:39,658 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 00:26:39,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 00:26:39,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:39,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:39,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:39,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:39,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:39,702 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:39,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 00:26:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:43,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:44,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:44,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:44,074 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 00:26:44,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 00:26:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:44,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:44,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:44,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:44,119 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:44,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 00:26:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:47,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:48,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:48,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:48,087 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 00:26:48,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 00:26:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:48,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:48,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:48,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:48,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:48,131 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:48,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 00:26:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:52,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:52,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:52,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:52,393 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 00:26:52,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 00:26:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:52,437 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:52,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:52,438 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:52,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 00:26:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:56,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:56,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:56,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:56,692 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 00:26:56,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 00:26:56,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:56,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:26:56,735 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:26:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:26:56,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:56,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:56,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:56,736 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:56,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 00:27:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:01,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:01,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:01,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:01,323 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 00:27:01,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 00:27:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:01,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:01,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:01,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:01,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:01,369 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:01,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 00:27:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:05,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:05,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:05,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:05,875 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 00:27:05,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 00:27:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:05,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:05,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:05,921 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:05,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 00:27:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:09,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:10,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:10,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:10,294 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 00:27:10,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 00:27:10,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:10,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:10,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:10,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:10,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:10,341 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:10,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 00:27:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:14,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:14,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:14,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:14,919 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 00:27:14,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 00:27:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:14,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:14,965 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:14,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:14,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:14,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:14,967 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:14,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 00:27:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:19,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:19,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:19,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:19,441 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 00:27:19,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 00:27:19,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:19,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:19,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:19,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:19,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:19,489 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:19,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 00:27:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:23,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:24,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:24,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:24,222 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 00:27:24,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 00:27:24,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:24,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:24,268 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:24,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:24,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:24,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:24,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:24,269 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:24,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 00:27:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:28,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:28,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:28,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:28,719 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 00:27:28,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 00:27:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:28,767 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:28,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:28,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:28,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:28,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:28,768 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:28,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 00:27:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:32,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:33,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:33,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:33,059 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 00:27:33,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 00:27:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:33,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:33,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:33,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:33,109 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:33,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 00:27:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:37,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:38,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:38,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:38,052 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 00:27:38,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 00:27:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:38,100 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:38,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:38,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:38,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:38,101 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:38,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 00:27:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:42,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:42,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:42,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:42,879 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 00:27:42,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 00:27:42,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:42,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:42,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:42,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:42,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:42,928 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:42,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 00:27:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:47,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:47,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:47,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:47,739 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 00:27:47,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 00:27:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:47,788 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:47,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:47,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:47,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:47,789 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:47,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 00:27:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:52,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:52,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:52,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:52,679 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 00:27:52,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 00:27:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:52,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:52,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:52,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:52,731 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:52,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 00:27:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:57,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:57,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:27:57,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:57,449 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 00:27:57,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 00:27:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:27:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:27:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:27:57,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:57,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:57,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:57,500 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:57,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 00:28:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:02,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:02,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:02,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:02,768 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 00:28:02,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 00:28:02,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:02,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:02,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:02,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:02,818 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:02,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 00:28:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:07,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:07,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:07,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:07,659 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 00:28:07,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 00:28:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:07,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:07,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:07,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:07,710 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:07,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 00:28:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:12,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:12,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:12,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:12,600 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 00:28:12,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 00:28:12,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:12,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:12,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:12,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:12,651 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:12,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 00:28:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:17,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:18,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:18,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:18,066 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 00:28:18,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 00:28:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:18,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:18,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:18,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:18,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:18,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:18,117 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:18,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 00:28:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:22,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:23,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:23,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:23,258 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 00:28:23,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 00:28:23,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:23,309 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:23,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:23,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:23,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:23,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:23,310 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:23,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 00:28:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:28,166 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:28,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:28,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:28,496 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 00:28:28,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 00:28:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:28,547 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:28,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:28,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:28,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:28,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:28,549 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:28,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 00:28:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:33,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:33,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:33,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:33,975 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 00:28:34,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 00:28:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:34,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:34,026 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:34,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:34,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:34,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:34,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:34,028 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:34,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 00:28:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:38,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:38,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:38,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:38,961 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 00:28:39,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 00:28:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:39,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:39,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:39,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:39,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:39,017 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:39,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 00:28:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:44,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:44,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:44,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:44,546 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 00:28:44,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 00:28:44,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:44,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:44,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:44,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:44,602 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:44,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 00:28:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:49,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:49,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:49,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:49,992 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 00:28:50,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 00:28:50,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:50,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:50,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:50,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:50,046 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:50,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 00:28:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:54,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:54,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:28:54,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:54,929 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 00:28:54,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2023-12-03 00:28:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:28:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:28:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:28:55,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:55,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:55,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:55,004 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:55,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 00:28:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:59,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:00,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:00,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:00,278 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 00:29:00,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 00:29:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:00,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:00,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:00,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:00,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:00,333 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:00,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 00:29:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:05,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:05,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:05,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:05,508 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 00:29:05,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 00:29:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:05,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:05,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:05,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:05,565 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:05,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 00:29:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:11,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:11,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:11,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:11,434 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 00:29:11,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 00:29:11,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:11,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:11,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:11,490 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:11,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 00:29:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:16,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:16,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:16,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:16,726 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 00:29:16,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 00:29:16,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:16,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:16,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:16,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:16,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:16,781 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:16,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 00:29:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:22,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:22,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:22,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:22,473 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 00:29:22,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 00:29:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:22,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:22,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:22,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:22,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:22,530 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:22,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 00:29:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:27,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:27,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:27,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:27,969 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 00:29:28,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 00:29:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:28,024 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:28,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:28,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:28,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:28,025 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:28,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 00:29:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:33,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:33,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:33,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:33,681 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 00:29:33,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 00:29:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:33,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:33,735 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:33,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:33,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:33,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:33,736 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:33,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 00:29:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:39,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:39,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:39,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:39,698 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 00:29:39,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 00:29:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:39,754 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:39,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:39,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:39,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:39,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:39,755 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:39,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 00:29:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:44,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:45,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:45,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:45,066 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 00:29:45,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 00:29:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:45,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:45,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:45,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:45,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:45,125 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:45,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 00:29:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:50,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:50,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:50,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:50,695 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 00:29:50,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 00:29:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:50,752 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:50,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:50,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:50,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:50,753 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:50,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 00:29:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:56,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:56,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:29:56,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:56,702 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 00:29:56,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 00:29:56,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:29:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:29:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:29:56,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:56,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:56,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:56,759 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:56,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 00:30:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:02,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:02,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:02,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:02,653 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 00:30:02,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 00:30:02,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:30:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:30:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:30:02,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:02,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:02,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:02,712 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:02,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 00:30:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:08,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:08,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:08,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:08,709 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 00:30:08,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 00:30:08,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:08,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:30:08,767 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:30:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:30:08,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:08,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:08,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:08,769 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:08,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 00:30:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:14,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:14,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:14,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:14,601 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 00:30:14,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 00:30:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:30:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:30:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:30:14,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:14,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:14,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:14,660 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:14,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 00:30:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:20,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:20,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:20,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:20,493 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 00:30:20,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 00:30:20,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:30:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:30:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:30:20,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:20,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:20,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:20,555 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:20,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 00:30:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:26,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:26,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:26,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:26,420 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 00:30:26,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 00:30:26,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:30:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:30:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:30:26,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:26,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:26,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:26,480 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:26,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 00:30:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:32,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:32,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:32,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:32,647 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 00:30:32,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 00:30:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:30:32,707 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:30:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:30:32,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:32,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:32,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:32,708 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:32,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 00:30:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:38,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:38,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:38,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:38,905 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 00:30:38,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 00:30:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:30:38,965 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:30:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:30:38,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:38,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:38,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:38,966 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:38,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 00:30:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:44,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:45,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:45,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:45,161 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 00:30:45,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 00:30:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:30:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:30:45,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:30:45,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:45,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:45,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:45,222 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:45,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 00:30:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:50,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:51,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:30:51,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:51,259 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 00:30:51,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 00:30:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 00:30:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 00:30:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:30:51,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:51,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:51,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:51,330 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:51,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12daaf3-9a2e-49f8-91cb-4f3f05bb7be6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process