./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/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_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/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_d585be63-3d27-4ccd-a9a4-850702bf9617/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 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:08:04,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:08:04,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:08:04,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:08:04,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:08:04,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:08:04,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:08:04,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:08:04,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:08:04,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:08:04,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:08:04,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:08:04,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:08:04,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:08:04,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:08:04,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:08:04,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:08:04,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:08:04,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:08:04,769 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:08:04,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:08:04,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:08:04,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:08:04,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:08:04,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:08:04,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:08:04,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:08:04,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:08:04,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:08:04,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:08:04,774 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:08:04,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:08:04,775 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:08:04,775 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_d585be63-3d27-4ccd-a9a4-850702bf9617/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 [2023-12-03 02:08:04,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:08:05,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:08:05,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:08:05,022 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:08:05,022 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:08:05,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2023-12-03 02:08:07,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:08:08,059 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:08:08,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2023-12-03 02:08:08,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/data/a62bdc7ba/85c49f0c7d4f433cac36bc7f8a093eed/FLAG99fa1ed30 [2023-12-03 02:08:08,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/data/a62bdc7ba/85c49f0c7d4f433cac36bc7f8a093eed [2023-12-03 02:08:08,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:08:08,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:08:08,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:08:08,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:08:08,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:08:08,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:08,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b658b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08, skipping insertion in model container [2023-12-03 02:08:08,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:08,179 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:08:08,551 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2023-12-03 02:08:08,640 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2023-12-03 02:08:08,641 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2023-12-03 02:08:08,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:08:08,660 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:08:08,691 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2023-12-03 02:08:08,742 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2023-12-03 02:08:08,743 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2023-12-03 02:08:08,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:08:08,786 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:08:08,792 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:08:08,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08 WrapperNode [2023-12-03 02:08:08,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:08:08,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:08:08,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:08:08,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:08:08,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:08,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:08,906 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1329 [2023-12-03 02:08:08,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:08:08,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:08:08,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:08:08,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:08:08,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:08,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:08,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:08,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:09,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:09,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:09,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:09,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:09,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:08:09,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:08:09,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:08:09,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:08:09,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:08:08" (1/1) ... [2023-12-03 02:08:09,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:08:09,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:08:09,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:08:09,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:08:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:08:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:08:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:08:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:08:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:08:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:08:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:08:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:08:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:08:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:08:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:08:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:08:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:08:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:08:09,340 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:08:09,342 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:08:10,619 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:08:11,904 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:08:11,904 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 02:08:11,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:08:11 BoogieIcfgContainer [2023-12-03 02:08:11,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:08:11,907 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:08:11,907 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:08:11,916 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:08:11,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:08:11" (1/1) ... [2023-12-03 02:08:11,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:08:11,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-12-03 02:08:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-12-03 02:08:11,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:08:11,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:11,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:12,127 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 02:08:12,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2023-12-03 02:08:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2023-12-03 02:08:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:08:12,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:12,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:12,302 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 02:08:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2023-12-03 02:08:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2023-12-03 02:08:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:08:12,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:12,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:12,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:08:12,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:12,454 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 02:08:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2023-12-03 02:08:12,461 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2023-12-03 02:08:12,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:08:12,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:12,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:12,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:08:12,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:12,555 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 02:08:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 118 states and 191 transitions. [2023-12-03 02:08:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 191 transitions. [2023-12-03 02:08:12,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:08:12,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:12,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:12,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:08:12,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:12,677 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 02:08:12,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 118 states and 185 transitions. [2023-12-03 02:08:12,685 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2023-12-03 02:08:12,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:08:12,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:12,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:12,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:08:12,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:12,828 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 02:08:22,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:08:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 118 states and 177 transitions. [2023-12-03 02:08:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2023-12-03 02:08:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:08:22,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:22,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:23,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:08:23,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:23,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:33,483 WARN L539 Checker$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 02:08:43,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:08:53,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:09:03,560 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 02:09:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 131 states and 192 transitions. [2023-12-03 02:09:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 192 transitions. [2023-12-03 02:09:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:09:03,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:03,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:03,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:03,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:03,820 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 02:09:03,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 131 states and 190 transitions. [2023-12-03 02:09:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2023-12-03 02:09:03,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:09:03,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:03,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:04,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:04,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:04,106 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 02:09:14,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:09:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:14,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 131 states and 188 transitions. [2023-12-03 02:09:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2023-12-03 02:09:14,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:09:14,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:14,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:14,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:09:14,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:14,483 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 02:09:24,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:09:34,556 WARN L539 Checker$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 02:09:44,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:09:54,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:09:54,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:54,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 134 states and 190 transitions. [2023-12-03 02:09:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2023-12-03 02:09:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:09:54,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:54,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:54,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:09:54,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:54,956 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 02:09:54,983 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 02:09:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 136 states and 194 transitions. [2023-12-03 02:09:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 194 transitions. [2023-12-03 02:09:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:09:55,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:55,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:55,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:55,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:55,341 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 02:09:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 136 states and 191 transitions. [2023-12-03 02:09:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 191 transitions. [2023-12-03 02:09:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:09:55,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:55,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:55,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:55,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:55,593 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 02:09:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:55,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 136 states and 187 transitions. [2023-12-03 02:09:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2023-12-03 02:09:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:09:55,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:55,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:55,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:55,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:55,865 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 02:09:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 136 states and 185 transitions. [2023-12-03 02:09:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-12-03 02:09:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:09:55,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:55,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:09:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:56,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:09:56,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:56,162 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 02:10:06,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:10:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 136 states and 183 transitions. [2023-12-03 02:10:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 183 transitions. [2023-12-03 02:10:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:10:06,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:06,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:10:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:06,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:10:06,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:06,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:10:16,716 WARN L539 Checker$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 02:10:26,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:10:36,871 WARN L539 Checker$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 02:10:46,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:10:49,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:11:00,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:11:10,086 WARN L539 Checker$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 02:11:20,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:11:30,174 WARN L539 Checker$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 02:11:30,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 182 states and 243 transitions. [2023-12-03 02:11:30,212 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 243 transitions. [2023-12-03 02:11:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:11:30,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:30,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:11:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:30,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:11:30,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:30,497 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 02:11:40,510 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 02:11:40,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 182 states and 241 transitions. [2023-12-03 02:11:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2023-12-03 02:11:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:11:40,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:11:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:40,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:11:40,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:40,797 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 02:11:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 182 states and 237 transitions. [2023-12-03 02:11:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 237 transitions. [2023-12-03 02:11:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:11:40,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:40,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:11:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:41,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:11:41,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:41,221 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 02:11:51,232 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 02:12:01,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:12:11,306 WARN L539 Checker$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 02:12:21,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:12:21,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:21,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 165 states and 216 transitions. [2023-12-03 02:12:21,396 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2023-12-03 02:12:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:12:21,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:21,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:12:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:21,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:12:21,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:12:31,746 WARN L539 Checker$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 02:12:41,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:12:51,812 WARN L539 Checker$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 02:13:01,839 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 02:13:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:01,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 168 states and 218 transitions. [2023-12-03 02:13:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2023-12-03 02:13:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:13:01,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:01,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:02,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:02,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:02,149 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 02:13:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:02,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 168 states and 216 transitions. [2023-12-03 02:13:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 216 transitions. [2023-12-03 02:13:02,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:13:02,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:02,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:13:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:13:12,692 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 02:13:12,695 INFO L158 Benchmark]: Toolchain (without parser) took 304597.37ms. Allocated memory was 174.1MB in the beginning and 295.7MB in the end (delta: 121.6MB). Free memory was 122.0MB in the beginning and 98.0MB in the end (delta: 24.0MB). Peak memory consumption was 148.9MB. Max. memory is 16.1GB. [2023-12-03 02:13:12,695 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:13:12,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.18ms. Allocated memory is still 174.1MB. Free memory was 122.0MB in the beginning and 89.0MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 02:13:12,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.46ms. Allocated memory is still 174.1MB. Free memory was 89.0MB in the beginning and 80.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:13:12,697 INFO L158 Benchmark]: Boogie Preprocessor took 166.49ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 80.6MB in the beginning and 185.4MB in the end (delta: -104.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-12-03 02:13:12,698 INFO L158 Benchmark]: RCFGBuilder took 2831.27ms. Allocated memory was 224.4MB in the beginning and 295.7MB in the end (delta: 71.3MB). Free memory was 185.4MB in the beginning and 203.7MB in the end (delta: -18.3MB). Peak memory consumption was 132.7MB. Max. memory is 16.1GB. [2023-12-03 02:13:12,698 INFO L158 Benchmark]: CodeCheck took 300787.06ms. Allocated memory is still 295.7MB. Free memory was 202.6MB in the beginning and 98.0MB in the end (delta: 104.6MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. [2023-12-03 02:13:12,701 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 94.4MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.18ms. Allocated memory is still 174.1MB. Free memory was 122.0MB in the beginning and 89.0MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.46ms. Allocated memory is still 174.1MB. Free memory was 89.0MB in the beginning and 80.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.49ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 80.6MB in the beginning and 185.4MB in the end (delta: -104.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2831.27ms. Allocated memory was 224.4MB in the beginning and 295.7MB in the end (delta: 71.3MB). Free memory was 185.4MB in the beginning and 203.7MB in the end (delta: -18.3MB). Peak memory consumption was 132.7MB. Max. memory is 16.1GB. * CodeCheck took 300787.06ms. Allocated memory is still 295.7MB. Free memory was 202.6MB in the beginning and 98.0MB in the end (delta: 104.6MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:13:12,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/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_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/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_d585be63-3d27-4ccd-a9a4-850702bf9617/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 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:13:14,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:13:14,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:13:14,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:13:14,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:13:14,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:13:14,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:13:14,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:13:14,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:13:14,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:13:14,614 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:13:14,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:13:14,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:13:14,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:13:14,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:13:14,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:13:14,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:13:14,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:13:14,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:13:14,619 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:13:14,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:13:14,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:13:14,620 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:13:14,621 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:13:14,621 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:13:14,622 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:14,622 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:13:14,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:13:14,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:13:14,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:13:14,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:13:14,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:13:14,625 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:13:14,625 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:14,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:13:14,626 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:13:14,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:13:14,626 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_d585be63-3d27-4ccd-a9a4-850702bf9617/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 [2023-12-03 02:13:14,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:13:14,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:13:14,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:13:14,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:13:14,941 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:13:14,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2023-12-03 02:13:17,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:13:18,038 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:13:18,038 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2023-12-03 02:13:18,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/data/3aa1e0636/fba768499718412cb061c422ed9eebc5/FLAGc84b7a02a [2023-12-03 02:13:18,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/data/3aa1e0636/fba768499718412cb061c422ed9eebc5 [2023-12-03 02:13:18,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:13:18,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:13:18,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:13:18,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:13:18,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:13:18,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:18,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6c2b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18, skipping insertion in model container [2023-12-03 02:13:18,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:18,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:13:18,466 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2023-12-03 02:13:18,562 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2023-12-03 02:13:18,563 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2023-12-03 02:13:18,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:13:18,583 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:13:18,604 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:13:18,624 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2023-12-03 02:13:18,698 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2023-12-03 02:13:18,699 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2023-12-03 02:13:18,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:13:18,716 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:13:18,741 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2023-12-03 02:13:18,775 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2023-12-03 02:13:18,776 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_d585be63-3d27-4ccd-a9a4-850702bf9617/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2023-12-03 02:13:18,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:13:18,811 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:13:18,818 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:13:18,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18 WrapperNode [2023-12-03 02:13:18,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:13:18,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:13:18,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:13:18,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:13:18,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:18,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:18,916 INFO L138 Inliner]: procedures = 179, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2023-12-03 02:13:18,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:13:18,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:13:18,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:13:18,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:13:18,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:18,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:18,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:18,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:18,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:19,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:19,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:19,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:19,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:13:19,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:13:19,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:13:19,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:13:19,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:13:18" (1/1) ... [2023-12-03 02:13:19,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:13:19,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:13:19,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:13:19,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:13:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:13:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:13:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:13:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:13:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:13:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:13:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:13:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:13:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:13:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:13:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:13:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:13:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:13:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:13:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:13:19,321 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:13:19,322 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:13:33,807 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:13:34,239 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:13:34,239 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 02:13:34,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:13:34 BoogieIcfgContainer [2023-12-03 02:13:34,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:13:34,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:13:34,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:13:34,251 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:13:34,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:13:34" (1/1) ... [2023-12-03 02:13:34,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:13:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-12-03 02:13:34,318 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-12-03 02:13:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:13:34,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:34,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:34,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:34,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:34,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:13:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:34,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:34,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:34,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:34,684 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 02:13:34,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:13:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:34,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2023-12-03 02:13:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2023-12-03 02:13:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:13:34,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:34,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:34,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:34,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:34,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:13:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:35,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:35,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:13:35,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:35,254 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 02:13:35,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:13:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2023-12-03 02:13:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2023-12-03 02:13:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:13:35,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:35,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:35,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:35,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:35,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:13:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:35,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:36,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:36,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:36,013 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 02:13:36,016 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:13:36,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:13:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 123 states and 201 transitions. [2023-12-03 02:13:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2023-12-03 02:13:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:13:36,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:36,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:36,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:36,030 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:36,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:13:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:36,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:36,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:36,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:36,357 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 02:13:36,360 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:13:36,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:13:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:36,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2023-12-03 02:13:36,368 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2023-12-03 02:13:36,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:13:36,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:36,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:36,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:36,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:36,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:13:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:36,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:36,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:36,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:36,783 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 02:13:36,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:13:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 123 states and 195 transitions. [2023-12-03 02:13:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2023-12-03 02:13:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:13:36,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:36,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:36,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:36,803 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:36,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:13:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:37,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:37,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:37,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:37,129 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 02:13:37,132 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:13:37,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:13:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2023-12-03 02:13:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-12-03 02:13:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:13:37,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:37,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:37,146 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:37,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:13:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:37,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:37,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:37,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:37,579 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 02:13:37,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:13:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 123 states and 189 transitions. [2023-12-03 02:13:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2023-12-03 02:13:37,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:13:37,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:37,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:37,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:37,594 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:37,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:13:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:37,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:37,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:37,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:37,959 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 02:13:37,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:13:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2023-12-03 02:13:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2023-12-03 02:13:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:13:37,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:37,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:37,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:37,991 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:37,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:13:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:38,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:38,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:13:38,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:38,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:13:38,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:13:38,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:13:38,477 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 02:13:38,585 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:13:38,586 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 02:13:38,623 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 02:13:38,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 02:13:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:39,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 125 states and 190 transitions. [2023-12-03 02:13:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 190 transitions. [2023-12-03 02:13:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:13:39,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:39,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:39,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:39,546 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:39,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:13:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:39,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:39,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:39,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:39,991 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 02:13:39,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 02:13:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 125 states and 184 transitions. [2023-12-03 02:13:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 184 transitions. [2023-12-03 02:13:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:13:40,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:40,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:40,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:40,006 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:40,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:13:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:40,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:40,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:40,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:40,563 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 02:13:40,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:13:40,575 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:13:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:41,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 125 states and 178 transitions. [2023-12-03 02:13:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2023-12-03 02:13:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:13:41,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:41,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:41,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:41,413 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:41,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:13:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:41,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:42,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:42,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:42,162 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 02:13:42,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:13:42,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 189 transitions. [2023-12-03 02:13:42,490 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 189 transitions. [2023-12-03 02:13:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:13:42,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:42,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:42,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:42,492 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:42,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:13:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:42,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:43,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:43,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:43,054 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 02:13:43,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:13:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 136 states and 187 transitions. [2023-12-03 02:13:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2023-12-03 02:13:43,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:13:43,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:43,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:43,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:43,091 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:43,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:13:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:43,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:43,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:43,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:43,689 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 02:13:43,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:13:43,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 136 states and 185 transitions. [2023-12-03 02:13:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-12-03 02:13:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:13:43,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:43,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:43,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:43,714 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:43,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:13:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:44,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:44,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:13:44,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:44,466 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 02:13:44,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:13:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 136 states and 183 transitions. [2023-12-03 02:13:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 183 transitions. [2023-12-03 02:13:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:13:44,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:44,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:44,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:44,484 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:44,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:13:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:45,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:45,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:45,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:45,484 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 02:13:45,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 02:13:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:45,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:45,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:45,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:45,512 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:45,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:13:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:46,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:46,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:46,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:46,570 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 02:13:46,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 02:13:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:46,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:46,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:46,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:46,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:46,710 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:46,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:13:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:47,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:47,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:47,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:47,770 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 02:13:47,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:13:47,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:47,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:47,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:47,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:47,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:47,787 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:47,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:13:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:48,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:48,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:48,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:48,851 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 02:13:48,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:13:48,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:48,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:48,867 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:48,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:48,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:48,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:48,869 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:48,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:13:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:49,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:49,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:49,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:49,897 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 02:13:49,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:13:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:49,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:49,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:49,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:49,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:49,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:49,917 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:49,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:13:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:50,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:51,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:51,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:51,061 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 02:13:51,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:13:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:51,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:51,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:51,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:51,079 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:51,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:13:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:51,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:52,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:52,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:52,275 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 02:13:52,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:13:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:52,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:52,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:52,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:52,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:52,294 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:52,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:13:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:53,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:53,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:53,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:13:53,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 02:13:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:53,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:53,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:53,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:53,489 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:53,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:13:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:54,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:54,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:54,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:54,828 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 02:13:54,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 02:13:54,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:54,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:54,848 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:54,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:54,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:54,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:54,849 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:54,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:13:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:55,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:56,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:56,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:56,170 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 02:13:56,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:13:56,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:56,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:56,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:56,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:56,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:56,190 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:56,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:13:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:57,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:57,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:57,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:57,584 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 02:13:57,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 02:13:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:57,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:57,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:57,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:57,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:57,608 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:57,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:13:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:58,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:58,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:13:58,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:58,948 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 02:13:58,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:13:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:13:58,966 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:13:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:13:58,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:58,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:58,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:58,968 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:58,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:13:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:59,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:00,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:00,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:00,313 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 02:14:00,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:14:00,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:00,335 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:00,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:00,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:00,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:00,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:00,337 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:00,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:14:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:01,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:01,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:01,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:01,938 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 02:14:01,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:14:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:01,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:01,960 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:01,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:01,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:01,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:01,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:01,961 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:01,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:14:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:03,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:03,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:03,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:03,524 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 02:14:03,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:14:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:03,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:03,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:03,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:03,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:03,549 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:03,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:14:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:04,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:05,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:05,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:05,147 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 02:14:05,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:14:05,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:05,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:05,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:05,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:05,171 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:05,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:14:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:06,371 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:06,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:06,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:14:06,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:14:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:06,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:06,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:06,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:06,710 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:06,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:14:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:07,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:08,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:08,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:08,233 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 02:14:08,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:14:08,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:08,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:08,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:08,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:08,260 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:08,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:14:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:09,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:09,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:09,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:14:09,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:14:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:09,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:09,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:09,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:09,783 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:09,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:14:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:11,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:11,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:11,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:11,509 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 02:14:11,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:14:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:11,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:11,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:11,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:11,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:11,540 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:11,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:14:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:12,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:13,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:13,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:13,278 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 02:14:13,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:14:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:13,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:13,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:13,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:13,307 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:13,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:14:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:14,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:14,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:14,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:14,931 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 02:14:14,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:14:14,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:14,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:14,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:14,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:14,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:14,962 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:14,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:14:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:16,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:16,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:16,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:16,779 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 02:14:16,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:14:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:16,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:16,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:16,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:16,811 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:16,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:14:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:18,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:18,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:18,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:18,613 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 02:14:18,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:14:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:18,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:18,648 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:18,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:18,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:18,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:18,650 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:18,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:14:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:20,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:20,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:20,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:20,458 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 02:14:20,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 02:14:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:20,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:20,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:20,491 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:20,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:14:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:22,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:22,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:22,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:22,380 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 02:14:22,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:14:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:22,413 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:22,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:22,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:22,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:22,414 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:22,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:14:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:23,954 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:24,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:24,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:24,278 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 02:14:24,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:14:24,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:24,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:24,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:24,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:24,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:24,312 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:24,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:14:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:26,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:26,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:26,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:26,365 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 02:14:26,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:14:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:26,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:26,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:26,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:26,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:26,400 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:26,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:14:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:27,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:28,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:28,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:28,274 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 02:14:28,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 02:14:28,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:28,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:28,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:28,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:28,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:28,312 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:28,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:14:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:29,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:30,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:30,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:30,313 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 02:14:30,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:14:30,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:30,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:30,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:30,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:30,352 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:30,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:14:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:32,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:32,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:32,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:14:32,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:14:32,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:32,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:32,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:32,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:32,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:32,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:32,484 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:32,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:14:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:34,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:34,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:34,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:34,468 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 02:14:34,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:14:34,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:34,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:34,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:34,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:34,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:34,507 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:34,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:14:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:36,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:36,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:36,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:36,645 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 02:14:36,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:14:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:36,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:36,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:36,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:36,679 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:36,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:14:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:38,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:38,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:38,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:14:38,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 02:14:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:38,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:38,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:38,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:38,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:38,825 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:38,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:14:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:40,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:40,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:40,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:40,938 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 02:14:40,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:14:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:40,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:40,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:40,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:40,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:40,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:40,973 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:40,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:14:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:42,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:42,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:42,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:42,977 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 02:14:43,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:14:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:43,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:43,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:43,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:43,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:43,015 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:43,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:14:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:44,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:44,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:44,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:45,002 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 02:14:45,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:14:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:45,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:45,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:45,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:45,040 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:45,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:14:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:47,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:47,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:47,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:47,473 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 02:14:47,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:14:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:47,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:47,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:47,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:47,515 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:47,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:14:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:49,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:49,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:49,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:49,873 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 02:14:49,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:14:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:49,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:49,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:49,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:49,912 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:49,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:14:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:51,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:52,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:52,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:52,101 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 02:14:52,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:14:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:52,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:52,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:52,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:52,140 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:52,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:14:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:54,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:54,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:54,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:54,480 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 02:14:54,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:14:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:54,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:54,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:54,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:54,520 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:54,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:14:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:56,572 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:56,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:56,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:56,910 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 02:14:56,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2023-12-03 02:14:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:56,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:56,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:56,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:56,957 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:56,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:14:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:59,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:59,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:14:59,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:59,462 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 02:14:59,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:14:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:14:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:14:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:14:59,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:59,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:59,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:59,509 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:59,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:15:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:01,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:02,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:02,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:15:02,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:15:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:02,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:02,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:02,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:02,187 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:02,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:15:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:04,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:04,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:04,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:04,366 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 02:15:04,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:15:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:04,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:04,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:04,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:04,398 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:04,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:15:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:06,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:07,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:07,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:07,028 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 02:15:07,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 02:15:07,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:07,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:07,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:07,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:07,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:07,063 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:07,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:15:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:09,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:09,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:09,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:09,947 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 02:15:09,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:15:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:09,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:09,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:09,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:09,986 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:09,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:15:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:12,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:12,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:12,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:12,879 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 02:15:12,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:15:12,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:12,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:12,909 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:12,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:12,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:12,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:12,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:12,910 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:12,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:15:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:15,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:15,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:15,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:15,834 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 02:15:15,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2023-12-03 02:15:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:15,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:15,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:15,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:15,866 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:15,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:15:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:18,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:18,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:18,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:18,738 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 02:15:18,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:15:18,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:18,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:18,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:18,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:18,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:18,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:18,770 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:18,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:15:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:21,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:21,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:21,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:21,694 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 02:15:21,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:15:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:21,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:21,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:21,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:21,726 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:21,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:15:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:24,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:24,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:24,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:24,858 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 02:15:24,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:15:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:24,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:24,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:24,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:24,889 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:24,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:15:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:27,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:27,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:27,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:27,894 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 02:15:27,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:15:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:27,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:27,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:27,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:27,926 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:27,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:15:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:30,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:30,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:30,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:30,933 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 02:15:30,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:15:30,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:30,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:30,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:30,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:30,966 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:30,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:15:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:33,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:33,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:33,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:33,933 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 02:15:33,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:15:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:33,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:33,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:33,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:33,967 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:33,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:15:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:36,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:36,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:36,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:36,956 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 02:15:36,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:15:36,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:36,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:36,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:36,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:36,990 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:36,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:15:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:39,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:39,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:39,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:39,981 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 02:15:40,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2023-12-03 02:15:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:40,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:40,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:40,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:40,017 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:40,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:15:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:42,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:43,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:43,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:43,017 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 02:15:43,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:15:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:43,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:43,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:43,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:43,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:43,052 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:43,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:15:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:45,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:46,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:46,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:15:46,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2023-12-03 02:15:46,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:46,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:46,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:46,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:46,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:46,193 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:46,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:15:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:49,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:49,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:49,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:49,320 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 02:15:49,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:15:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:49,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:49,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:49,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:49,356 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:49,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:15:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:52,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:52,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:52,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:15:52,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:15:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:52,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:52,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:52,824 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:52,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:15:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:55,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:55,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:55,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:55,898 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 02:15:55,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:15:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:55,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:55,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:55,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:55,952 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:55,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:15:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:58,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:59,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:15:59,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:59,284 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 02:15:59,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2023-12-03 02:15:59,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:59,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:15:59,319 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:15:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:15:59,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:59,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:59,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:59,320 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:59,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:16:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:02,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:02,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:02,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:02,806 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 02:16:02,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:16:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:02,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:02,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:02,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:02,843 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:02,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:16:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:05,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:06,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:06,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:06,245 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 02:16:06,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:16:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:06,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:06,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:06,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:06,284 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:06,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:16:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:09,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:09,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:09,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:09,847 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 02:16:09,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 02:16:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:09,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:09,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:09,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:09,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:09,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:09,882 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:09,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:16:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:13,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:13,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:13,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:13,589 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 02:16:13,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2023-12-03 02:16:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:13,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:13,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:13,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:13,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:13,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:13,633 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:13,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:16:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:17,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:17,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:17,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:17,688 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 02:16:17,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:16:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:17,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:17,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:17,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:17,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:17,734 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:17,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:16:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:20,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:21,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:21,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:21,113 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 02:16:21,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:16:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:21,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:21,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:21,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:21,150 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:21,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:16:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:24,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:25,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:25,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:25,186 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 02:16:25,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 02:16:25,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:25,241 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:25,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:25,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:25,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:25,243 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:25,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:16:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:29,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:29,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:29,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:29,372 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 02:16:29,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 02:16:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:29,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:29,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:29,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:29,419 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:29,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:16:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:33,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:33,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:33,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:16:33,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 02:16:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:33,991 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:33,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:33,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:33,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:33,993 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:33,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:16:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:37,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:38,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:38,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:38,126 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 02:16:38,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:16:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:38,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:38,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:38,181 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:38,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:16:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:41,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:42,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:42,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:42,212 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 02:16:42,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:16:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:42,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:42,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:42,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:42,266 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:42,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:16:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:46,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:46,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:46,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:46,695 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 02:16:46,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:16:46,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:46,749 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:46,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:46,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:46,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:46,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:46,751 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:46,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:16:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:50,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:51,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:51,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:51,210 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 02:16:51,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:16:51,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:51,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:51,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:51,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:51,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:51,259 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:51,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:16:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:55,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:55,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:16:55,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:55,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:16:55,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:16:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:55,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:16:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:16:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:16:55,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:55,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:55,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:55,757 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:55,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:16:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:59,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:00,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:00,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:17:00,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:17:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:00,330 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:00,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:00,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:00,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:00,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:00,332 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:00,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:17:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:04,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:04,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:04,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:04,671 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 02:17:04,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:17:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:04,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:04,724 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:04,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:04,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:04,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:04,725 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:04,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:17:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:08,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:09,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:09,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:09,315 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 02:17:09,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2023-12-03 02:17:09,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:09,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:09,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:09,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:09,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:09,367 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:09,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:17:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:13,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:13,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:13,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:13,898 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 02:17:13,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:17:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:13,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:13,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:13,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:13,942 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:13,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:17:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:17,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:17,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:17,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:17,810 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 02:17:17,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:17:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:17,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:17,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:17,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:17,853 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:17,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:17:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:21,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:21,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:21,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:21,795 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 02:17:21,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:17:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:21,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:21,838 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:21,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:21,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:21,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:21,839 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:21,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:17:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:25,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:26,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:26,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:26,243 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 02:17:26,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:17:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:26,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:26,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:26,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:26,304 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:26,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:17:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:30,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:31,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:31,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:31,357 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 02:17:31,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 02:17:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:31,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:31,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:31,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:31,420 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:31,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:17:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:35,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:35,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:35,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:35,933 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 02:17:35,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 02:17:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:35,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:35,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:35,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:35,976 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:35,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:17:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:39,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:40,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:40,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:17:40,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:17:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:40,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:40,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:40,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:40,151 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:40,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:17:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:44,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:44,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:44,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:44,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:17:44,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:17:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:44,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:44,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:44,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:44,620 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:44,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:17:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:48,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:48,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:48,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:48,823 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 02:17:48,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:17:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:48,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:48,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:48,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:48,866 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:48,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:17:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:52,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:53,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:53,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:53,126 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 02:17:53,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:17:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:53,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:53,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:53,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:53,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:53,170 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:53,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:17:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:57,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:57,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:17:57,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:57,465 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 02:17:57,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:17:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:17:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:17:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:17:57,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:57,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:57,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:57,510 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:57,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:18:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:01,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:02,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:02,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:02,129 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 02:18:02,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:18:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:02,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:02,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:02,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:02,175 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:02,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:18:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:06,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:06,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:06,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:06,632 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 02:18:06,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 02:18:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:06,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:06,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:06,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:06,677 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:06,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:18:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:10,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:11,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:11,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:11,166 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 02:18:11,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:18:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:11,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:11,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:11,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:11,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:11,210 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:11,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:18:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:15,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:15,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:15,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:15,601 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 02:18:15,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:18:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:15,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:15,646 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:15,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:15,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:15,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:15,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:15,648 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:15,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:18:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:20,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:20,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:20,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:20,355 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 02:18:20,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:18:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:20,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:20,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:20,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:20,402 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:20,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:18:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:24,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:25,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:25,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:25,302 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 02:18:25,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 02:18:25,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:25,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:25,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:25,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:25,349 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:25,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 02:18:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:29,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:30,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:30,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:30,047 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 02:18:30,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 02:18:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:30,096 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:30,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:30,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:30,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:30,097 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:30,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 02:18:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:34,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:34,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:34,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:34,699 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 02:18:34,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 02:18:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:34,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:34,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:34,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:34,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:34,748 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:34,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 02:18:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:39,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:39,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:39,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:39,857 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 02:18:39,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 02:18:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:39,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:39,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:39,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:39,907 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:39,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 02:18:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:44,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:44,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:44,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:44,612 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 02:18:44,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 02:18:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:44,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:44,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:44,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:44,661 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:44,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 02:18:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:48,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:49,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:49,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:49,241 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 02:18:49,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 02:18:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:49,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:49,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:49,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:49,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:49,290 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:49,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 02:18:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:53,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:54,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:54,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:18:54,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 02:18:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:54,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:54,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:54,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:54,251 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:54,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 02:18:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:59,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:59,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:18:59,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:59,456 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 02:18:59,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 02:18:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:18:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:18:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:18:59,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:59,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:59,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:59,507 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:59,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 02:19:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:04,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:04,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:04,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:04,564 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 02:19:04,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 02:19:04,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:04,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:04,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:04,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:04,615 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:04,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 02:19:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:09,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:09,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:09,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:09,875 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 02:19:09,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 02:19:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:09,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:09,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:09,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:09,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:09,937 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:09,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 02:19:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:14,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:15,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:15,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:15,042 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 02:19:15,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 02:19:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:15,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:15,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:15,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:15,095 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:15,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 02:19:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:19,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:19,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:19,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:19,783 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 02:19:19,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 02:19:19,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:19,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:19,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:19,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:19,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:19,835 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:19,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 02:19:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:24,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:24,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:24,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:24,887 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 02:19:24,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 02:19:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:24,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:24,938 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:24,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:24,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:24,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:24,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:24,939 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:24,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 02:19:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:29,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:30,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:30,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:30,059 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 02:19:30,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 02:19:30,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:30,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:30,111 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:30,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:30,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:30,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:30,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:30,112 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:30,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 02:19:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:35,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:35,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:35,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:19:35,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 02:19:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:35,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:35,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:35,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:35,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:35,485 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:35,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 02:19:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:40,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:40,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:40,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:40,941 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 02:19:40,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 02:19:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:40,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:40,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:40,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:40,995 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:40,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 02:19:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:46,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:46,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:46,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:46,522 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 02:19:46,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 02:19:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:46,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:46,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:46,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:46,572 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:46,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 02:19:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:51,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:52,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:52,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:52,014 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 02:19:52,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 02:19:52,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:52,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:52,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:52,071 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:52,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 02:19:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:57,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:57,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:19:57,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:57,410 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 02:19:57,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 02:19:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:19:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:19:57,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:19:57,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:57,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:57,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:57,489 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:57,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 02:20:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:02,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:03,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:03,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:03,162 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 02:20:03,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 02:20:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:03,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:03,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:03,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:03,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:03,216 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:03,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 02:20:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:08,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:08,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:08,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:08,453 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 02:20:08,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 02:20:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:08,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:08,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:08,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:08,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:08,510 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:08,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 02:20:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:13,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:14,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:14,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:14,082 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 02:20:14,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 02:20:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:14,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:14,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:14,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:14,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:14,137 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:14,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 02:20:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:19,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:19,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:19,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:19,559 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 02:20:19,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 02:20:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:19,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:19,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:19,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:19,612 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:19,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 02:20:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:25,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:25,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:25,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:25,434 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 02:20:25,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 02:20:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:25,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:25,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:25,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:25,495 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:25,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 02:20:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:30,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:31,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:31,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:31,105 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 02:20:31,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 02:20:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:31,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:31,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:31,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:31,161 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:31,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 02:20:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:36,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:36,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:36,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:36,952 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 02:20:37,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 02:20:37,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:37,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:37,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:37,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:37,010 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:37,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 02:20:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:42,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:43,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:43,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:43,220 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 02:20:43,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 02:20:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:43,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:43,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:43,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:43,301 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:43,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 02:20:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:48,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:49,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:49,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:49,063 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 02:20:49,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 02:20:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:49,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:49,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:49,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:49,117 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:49,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 02:20:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:54,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:54,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:20:54,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:54,960 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 02:20:55,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 02:20:55,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:20:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:20:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:20:55,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:55,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:55,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:55,032 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:55,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 02:21:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:00,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:00,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:21:00,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:00,677 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 02:21:00,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 02:21:00,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:21:00,733 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:21:00,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:21:00,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:00,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:00,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:00,734 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:00,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 02:21:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:06,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:07,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:21:07,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:07,174 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 02:21:07,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 02:21:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:21:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:21:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:21:07,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:07,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:07,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:07,236 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:07,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 02:21:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:12,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:13,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:21:13,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:13,037 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 02:21:13,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 02:21:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:21:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:21:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:21:13,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:13,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:13,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:13,117 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:13,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 02:21:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:18,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:18,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:21:18,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:18,990 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 02:21:19,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 02:21:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:21:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:21:19,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:21:19,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:19,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:19,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:19,047 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:19,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 02:21:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:25,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:25,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:21:25,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:21:25,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 02:21:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:21:25,544 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:21:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:21:25,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:25,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:25,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:25,546 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:25,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 02:21:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:32,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:32,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:21:32,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:21:32,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 02:21:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:21:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:21:32,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:21:32,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:32,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:32,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:32,744 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:32,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 02:21:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:38,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:38,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:21:38,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:38,829 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 02:21:38,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 02:21:38,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:21:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:21:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:21:38,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:38,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:38,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:38,891 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:38,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 02:21:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:45,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:46,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:21:46,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:46,324 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 02:21:46,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 02:21:46,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:21:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:21:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:21:46,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:46,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:46,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:46,408 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:46,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d585be63-3d27-4ccd-a9a4-850702bf9617/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process